Could anyone please help me with these questions, just answer the un-answered questions, if I did a question incorrectly please let me know in the comments or your answer. Just also make sure to include a step-by-step explanation.
Answers
The ratio of wins to losses is 5:6.
The ratio of losses to ties will be 3:2
The ratio of losses to games played will be 2:5.
The ratio of wins to games played will be 1:3.
How to calculate the ratioRatio in Mathematics simply demonstrates how many times one number can be able to fit into another number. It should be noted that ratios contrast two numbers by dividing them. In this case, A/B will be the formula if one is comparing one variable (A) to another variable (B).
The ratio of wins to losses is:
= 10 / 12
= 5:6.
The ratio of losses to ties will be:
= 12 / 8
= 3:2
The ratio of losses to games played will be:
= 12 / (10 + 12 + 8)
= 12 / 30
= 2:5.
The ratio of wins to games played will be:
= 10 / 30
= 1:3
The ratio of children to adult will be:
= 165 / 66
= 5:2
The ratio of good bothes to games boothes will be:
= 6/15.
= 2:5
The ratio of children to games booths will be:
= 165 / 15
= 11:1
The ratio of female lions to make lions will be:
= 20 / 8
= 5:2
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Related Questions
A car travels at a constant speed of 112 km per hour. Calculate how far the car will travel in 15 minutes.
Answers
The distance, that car will travel in 15 minute, is 28 km.
What is speed, distance and time?The formula used to explain the relationship between speed, distance, and time is speed distance time.
That is speed = distance/ time
So, distance = speed * time
Alternatively, you can calculate the time by dividing the distance traveled by the speed. You can figure out the third input if you know two of the inputs.
Given Speed of car = 112 km per hour
Time = 15 minutes = 15/60 hour
Time = 1/4 hour
Distance traveled by car in 15 minute = Speed of car * time
Distance = 112 * 1/4
Distance = 28 km
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Which point satisfies the system of equations?
y =
y =
(²)x - 11/12
2
(3) ₁
OA. (-2, 3)
O B. (-1,0)
O C. (1, 2)
OD. (3,-2)
X
Answers
The most correct answer is D ( 3,-2) . Because in the 2 equations above when you enter the value x= 3 in equation I and II, it produces y=-2.
Find the x and y values that satisfy the equationIn the question above, there are two equations.
y=-(½)x - ½ (eq I)
y=-(⅔)x (eq II)
To find which x and y values satisfy these two equations in options A,B,C,D, we have to substitute one by one to prove:
A.(-2, 3)
we substitute the value x=-2 into equation I
y=-(½)x - ½
y= -(½) (-2) -½
y=1-½
y= ½ ( This means that option A is not valid, because it should give y a value of 3)
B.(-1,0)
we substitute the value x=-1 into equation I
y=-(½)x - ½
y= -(½) (-1) -½
y= ½ - ½
y= 0
Then, we try to substitute the value x=-1 into equation II
y=-(⅔)x
y= -(⅔) (-1)
y= ⅔ ( This means option B is not valid, because it should result in y being 0)
C.(1, 2)
we substitute the value x=1 into equation I
y=-(½)x - ½
y= -(½) (1) -½
y= -½ - ½
y= -1 ( This means option C is not valid, because it should result in y being 2)
D. (3,-2)
we substitute the value x=3 into equation I
y=-(½)x - ½
y= -(½) (3) -½
y= -3/2- ½
y=-4/2
y= -2
Then, we try to substitute the value x=3 into equation II
y=-(⅔)x
y= -(⅔) (3)
y=-2
The option D satisfies equations I and II,
Therefore the answer is option D.
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Subtract -7a^2+3a-9−7a
2
+3a−9minus, 7, a, squared, plus, 3, a, minus, 9 from 5a^2-6a-45a
2
−6a−45, a, squared, minus, 6, a, minus, 4.
Your answer should be a polynomial in standard form.
Answers
The required polynomial is [tex]12a^{2} -9a+5[/tex]
What is a polynomial?A polynomial is a expression that contains variables and coefficients, that involves all the four basic arithmetic operations.
Here the given two polynomials are,
[tex]-7a^{2} +3a-9 , 5a^{2} -6a-4[/tex].
subtracting these two polynomials we get,
[tex](5a^{2} -6a-4) - (-7a^{2} +3a-9 ) = 12a^{2} -9a +5[/tex].
Hence, required polynomial is [tex]12^{2} -9a+5.[/tex]
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Lauren has $400 in her savings account and spends $20 each week. Lydia has $250 in her account and saves $5 each week. After how many weeks will the girls have the same amount of money?
Answers
By solving linear equations we will see that they will have the same amount after 6 weeks.
After how many weeks will the girls have the same amount of money?We know that Lauren has $400 in her savings account and spends $20 each week, then the amount that she has after x weeks is modeled by the linear equation below:
y = 400 - 20x
And Lydia has $250 in her account and saves $5 each week, then her equation is:
y = 250 + 5x
They we have the same amount of money when:
400 - 20x = 250 + 5x
400 - 250 = 5x + 20x
150 = 25x
150/25 = x
6 = x
After 6 weeks they will have the same amount of money.
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Is the answer correct if not tell me what is the correct answer WILL GIVE BRAINLIEST TO CORRECT ANSWER
Answers
Triangle STV is congruent to triangle UTW by SSS congruence postulate
What is SSS congruence postulate?SSS congruence postulate is a statement in geometry that says if three sides of one triangle are equal in length to the corresponding three sides of another triangle, then the two triangles are congruent.
In other words, if the lengths of the sides of two triangles are the same, then the triangles are the same shape and size. The acronym SSS stands for "side-side-side."
Corresponding Parts of Congruent Triangles are Congruent is abbreviated as CPCTC.
According to the CPCTC theorem, every corresponding component of one triangle is congruent to the other when two triangles are congruent.
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a ball is kicked such that its height (h) can be represented by the equation , where t represents time in seconds. how long does it take for the ball to reach its highest point, and how high is that maximum height?
Answers
The maximum height of the ball is 200 feet.
What do you mean by equation?An expression can be used to solve for a single unknown value, for example, the equation 2x + 3 = 7 can be solved for x by subtracting 3 from both sides, giving us 2x = 4 and then dividing both sides by 2, giving us x = 2. In this example, x = 2 is the solution to the equation.
To find the time to the highest point, we need to find the time when the velocity of the ball is equal to zero. The velocity of the ball can be found by taking the derivative of the height equation with respect to time.
The derivative of h with respect to t is:
dh/dt = 32t + 64
Setting the derivative equal to zero and solving for t, we get:
0 = 32t + 64
-64 = 32t
t = -2
So, the time to the highest point is -2 seconds. However, since time cannot be negative in this context, we can say that it takes 2 seconds for the ball to reach its highest point.
To find the maximum height, we can substitute the time of 2 seconds back into the original height equation:
h = 16(2)^2 + 64(2) + 8
h = 64 + 128 + 8
h = 200
So, the maximum height of the ball is 200 feet.
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The complete question is:
The scatter plot shows the number of hours worked x and the earnings y (in dollars) of a food server
Answers
a) The number of hours the server must work to earn $35 is of: 2.5 hours.
b) The earnings for five hours of work are given as follows: $75.8.
c) As the number of hours worked increases, the earnings also increase.
How to find the equation of linear regression?To find the regression equation, also called line of best fit or least squares regression equation, we need to insert the points (x,y) in the calculator. These points are given on a table or in a scatter plot in the problem.
The points for this problem are given as follows:
(1,10), (2, 27), (3, 45), (4, 55) and (5, 78).
Inserting these points into a calculator, the equation is given as follows:
y = 16.4x - 6.2.
Hence the number of hours needed to earn $35 is given as follows:
35 = 16.4x - 6.2
x = 41.2/16.4
x = 2.5 hours.
The earnings for five hours of work are given as follows:
y = 16.4(5) - 6.2
y = $75.8.
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p to view steps... 9 p 2 − 1 p q − 2 q ÷ 1 − 3 p 3 p − 6 9 p 2 - 1 p q - 2 q ÷ 1 - 3 p 3 p - 6
Answers
By applying Algebraic fractions simplifying concept, it can conclude that the simplified expression is - (9p + 3) / q.
Algebraic fractions simplifying can be done by factoring the quantifier and denominator, then dividing by the common factors of the quantifier and denominator.
We have the following algebraic fraction:
((9p² - 1) / (pq - 2q)) / (1 - 3p) / (3p - 6)
To simplify this expression, we will do the following steps:
First, we apply the division rule: (a/b) / (c/d) = ad / bc:
((9p² - 1) / (pq - 2q)) / (1 - 3p) / (3p - 6)
⇔ ((9p² - 1) (3p - 6)) / ((pq - 2q) (1 - 3p))
Then we find the factors of (9p² - 1), that are (3p - 1) (3p + 1):
⇔ ((3p - 1) (3p + 1) (3p - 6)) / ((pq - 2q) (1 - 3p))
Factor other expressions that are not already factored in:
⇔ ((3p - 1) (3p + 1) 3 (p - 2)) / (q (p - 2) (1 - 3p))
Now we cancel the common factor (p - 2), so we have:
⇔ (3 (3p - 1) (3p + 1)) / (-q (3p - 1))
Then we cancel the common factor (3p -1), so we have:
⇔ (3 (3p + 1)) / -q
Finally, we expand the expression:
⇔ - (9p + 3) / q
Thus the simplified expression is - (9p + 3) / q.
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Roller Coaster Engineering. The
height, y m, of a rider above the
ground in a section of roller coaster
ride is given by y=1/3x²- 2x + 8,
where x m is the rider's horizontal
distance from the start of the ride.
(i) Express the function in the form
y = a(x - h)² + k.
(ii) Find the rider's minimum height
above the ground.
(iii) If the rider is 8 m above the dw
ground after the ride starts, find
the rider's horizontal distance from
the start of the ride.
Answers
a) The vertex-form definition of the quadratic function is given as follows: y = 1/3(x - 3)² + 5.
b) The rider's minimum height above the ground is of: 5 meters,
c) The horizontal distance is given as follows: x = 0 m and x = 6 m.
How to obtain the features?The quadratic function in the context of this problem is defined as follows:
y = x²/3- 2x + 8.
In which:
x is the horizontal distance.y is the vertical distance.The coefficients are given as follows:
a = 1/3, b = -2, c = 8.
The x-coordinate of the vertex is given as follows:
x = -b/2a = -(-2)/(2/3) = 3.
Hence the y-coordinate of the vertex is given as follows:
y = (3)²/3 - 2(3) + 8 = 5 meters.
Hence the vertex-form definition of the equation is given as follows:
y = 1/3(x - 3)² + 5.
As the function is concave up, the minimum height is of 5 meters.
For the horizontal distance at a height of 8m, we have that:
x²/3 - 2x + 8 = 8
x²/3 - 2x = 0
x(x/3 - 2) = 0.
Hence:
x = 0 m and x = 6 m.
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Find the particular solution of the differential equation that satisfies the initial condition. (Enter your solution as an equation.)
Differential Equation:
dT+k(T-60)dt=0
Initial Condition:
T=139 when t=0
Answers
Answer:
T = 79e^(-kt) +60
Step-by-step explanation:
You want the particular solution to the differential equation ...
dT +k(T -60)dt = 0 . . . . T(0) = 139
SolutionThis is a separable differential equation, so we can solve it by separating the variables and integrating each side:
[tex]\dfrac{dT}{T-60}=-k\,dt\\\\\displaystyle \int{\dfrac{dT}{T-60}}=\int{-k}\,dt\\\\\ln{(T-60)}=-kt+C\\\\T-60=e^{-kt+C}=Ce^{-kt}\qquad\text{take antilogs; values of $C$ are different}[/tex]
Applying the initial condition, we have ...
139 -60 = C = 79
Then the particular solution is ...
[tex]\boxed{T=79e^{-kt}+60}[/tex]
Could someone please help me score 8/8 on this question? I know the answer, but I can't get 8/8 yet.
StarWatch Camping Site
Charge per person: £6 per night
The holiday is just 9 weeks away and they
each plan to save £13 per week from now
until their holiday.
Will they save enough money to cover all
their camping site charges?
If the answer is 'yes' say how much extra
money they will save.
You must show all your working.
Tent pitch:
(ground surface)
<10 m' at £15 per night
> 10 m² at £18 per night
Special offer: For every 5 nights you
stay, only pay for 4.
Lila and Wassim are planning a stay
at the StarWatch camping site.
They will:
• share a tent between them,
• both stay for a total of 10 nights,
• use a tent with a rectangular base
measuring 2.3 by 4.2 metres.
Answers
Based on the information provided, it can be concluded they will not save enough money to cover their camping site charges.
How much money do they need?Charge per person: 6 (charge per person) x 2 = 12 x 10 (number of days) = 120
Tenth charge per night: 18 x 8 (They will stay for 10 days but due to the offer pay for 4 nights if you stay 5, they will pay only 8 nights) = 144
Total: 264
How much money will they save?13 x 9 weeks = 117 x 2 (two people are saving) = 234
Based on this, the amount of money they will save is not enough as they will need $30 more to cover their expenses.
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Bianca is paid every week. In a four week month she earns $1,350. If the company takes out $175 each month for insurance, write an equation and solve for her weekly salary.
Answers
Answer:
2793.75
Step-by-step explanation:
1350 - 175 = 1175
1175 / 4 = 293.75
0.3 as a repeating fraction
Answers
The value of the equation is A = 1/3
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
Substituting the values in the equation , we get
A = 0.333... be equation (1)
Now , the value of A is an irrational number
So , the value of A = 1/3
Therefore , the value of A = 1/3 or A = 2/6
Hence , the equation is A = 1/3
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1)Show that applying a 20% increase volume by 20% decrease is the same as a 4% decrease overall.
2)Will the final amount to be the same or different if you apply the decrease first and then increase?
Answers
Answer:
see below
Step-by-step explanation:
(1+20%) * (1-20%) =1.2 *0.8 = 0.96
so it's the same as 1- 4% = 0.96
no
19. A savings account earns 4% annual simple interest.The principal is $1700. What is the balance after 6
years?
Answers
The balance after 6 years is $2108.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that savings account earns 4% annual simple interest.
The principal is $1700.
We need to find the balance after 6 years.
The formula for simple interest I=Prt
I = interest
P = principal ($1700)
r = annual interest rate (4%)
t = time in years (6)
So the interest earned in 6 years is:
I = 1700× 4×6 / 100 = $408
The balance after 6 years is the sum of the principal and the interest earned:
1700 + 408 = $2108.
Hence, the balance after 6 years is $2108.
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What is the geometric mean between 6 and 8? Write your answer in simplified radical form
Answers
Answer:
4[tex]\sqrt{3}[/tex]
Step-by-step explanation:
the geometric mean of 2 numbers a and b is [tex]\sqrt{ab}[/tex]
the geometric mean of 6 and 8 is then
[tex]\sqrt{6(8)}[/tex]
= [tex]\sqrt{48}[/tex] ← express as factors
= [tex]\sqrt{16(3)}[/tex]
= [tex]\sqrt{16}[/tex] × [tex]\sqrt{3}[/tex]
= 4[tex]\sqrt{3}[/tex]
in a right triangle, a and b are the lengths of the legs and c is the length of the hypotenuse. if a 56 millimeters and c = 65 millimeters, what is b? if necessary, round to the nearest tenth.
Answers
Answer:
b = 33 millimeters.
Step-by-step explanation:
In a right triangle, the Pythagorean theorem states that the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the legs (a and b). So, using a=56 and c=65, we can find b by solving the equation: 56^2 + b^2 = 65^2. This gives b = sqrt(1089) = 33 millimeters :)
3204x7756 to one significant figure
Answers
Answer:
20000000 (to 1 s.f.)
Step-by-step explanation:
3204×7756=24850224
=20000000 (to 1 s.f.)
how aren’t 4/5 5/6 equivalent to 2/3
Answers
Answer: 4/5 and 5/6 are not equivalent to 2/3 because they represent different fractions. 4/5 represents 4 parts out of 5 total parts, while 5/6 represents 5 parts out of 6 total parts. 2/3 represents 2 parts out of 3 total parts. To check if two fractions are equivalent, you need to see if they simplify to the same fraction. For example, 4/5 simplifies to 8/10 and 5/6 simplifies to 5/6, but neither of them simplifies to 2/3. Hence, 4/5 and 5/6 are not equivalent to 2/3.
Step-by-step explanation:
-A student is chosen randomly from the group. What is the probability that the student ONLY takes History Class?
-A student is chosen randomly from the group. What is the probability that the student takes BOTH History and Biology?
-A student is chosen randomly from the group. What is the probability that the student does NOT take History or Biology?
-A student is chosen randomly from the group. What is the probability that the student takes Biology class?
Help me, please
Answers
The probabilities are given as follows:
Only history: 0.17 = 17%.Both history and biology: 0.25 = 25%.Not history and not biology: 0.37 = 37%.Biology: 0.46 = 46%.How to calculate a probability?A probability is calculated as the division of the desired number of outcomes by the total number of outcomes.
The total number of students in the problem is given as follows:
17 + 25 + 21 + 37 = 100.
Hence the probabilities are given as follows:
Only history: 17/100 = 0.17 = 17%.Both history and biology: 25/100 = 0.25 = 25%.Not history and not biology: 37/100 = 0.37 = 37%.Biology: (25 + 21)/100 = 46/100 = 0.46 = 46%.More can be learned about probability at https://brainly.com/question/24756209
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HELP DUE IN 20 MIN WILL GIVE brainliest
Answers
Answer:
0.2x-0.8
Step-by-step explanation:
In 0.2(x-4), you can multiply 0.2(The number outside of the parentheses) by the numbers inside the parentheses. So, it would be 0.2*x-0.2*4, which is 0.2x-0.2(4), which is 0.2x-0.8.
Ryan is trying to start a new colony of ants. He starts with 12 ants and know the number of ants will will triple each day write a function using function notation which can be used to determine the number of ants Ryan will have in x number days.
Answers
The function to determine the number of ants Ryan will have in x number of days can be represented as: f(x) = 12 * 3^x
How to calculate the valueIt should be noted that a function shows the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator.
The function to determine the number of ants Ryan will have in x number of days can be represented as:
f(x) = 12 * 3^x
where f(x) is the number of ants after x days, and 3^x represents the tripling of the number of ants each day.
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Suppose an object is thrown upward with initial velocity of 48 feet per second from a high of 120 feet. The height of the object t seconds after it is thrown is given by h(t)=-16t^2+48t+120. Find the average velocity from t=2 to t=4.
Type your answer as a number with no units.
Answers
The average velocity of the object from t = 2 and t = 4 is equal to - 48 feet per second.
How to calculate the average velocity of an object thrown upward
In this problem we find the case of an object thrown upward, whose height (h(t)), in feet, as a function of time (t), in seconds, is represented by a quadratic equation. We need to determine the average velocity (u) of the object by means of secant line formula:
u = [h(4) - h(2)] / (4 - 2)
Where:
h(4) - Height of the object at t = 4 s, in feet.h(2) - Height of the object at t = 2 s, in feet.If we know that h(t) = - 16 · t² + 48 · t + 120, then the average velocity is:
t = 2
h(2) = - 16 · 2² + 48 · 2 + 120
h(2) = 152 ft
t = 4
h(4) = - 16 · 4² + 48 · 4 + 120
h(4) = 56 ft
u = (56 ft - 152 ft) / (4 s - 2 s)
u = - 48 ft / s
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a certain company's stock that you bought at IPO in 1998 quintupled in value every 9 years. You own a million dollars worth of the stock in 2016. how much will the stock be worth in 1998
Answers
The stock was worth 40000 dollars in 1998.
Describe stocks?Stocks, also known as equities, are securities that represent ownership in a corporation. The value of your stock holdings is directly tied to the performance of the company and its financial health.
There are two main types of stocks: common stocks and preferred stocks. Common stocks typically offer voting rights, while preferred stocks generally do not. Preferred stocks often offer a fixed dividend, while common stock dividends can vary.
Stocks are bought and sold on stock exchanges, such as the New York Stock Exchange (NYSE) and the NASDAQ.
The value of the stock quintupled every 9 years, which means it increased by a factor of 5 every 9 years. To find the value of the stock in 1998, we need to divide the value in 2016 by 5 raised to the power of the number of 9-year intervals that have passed.
Let's call the value of the stock in 2016 x. Then:
x = million dollars = 1000000
The number of 9-year intervals that have passed is (2016 - 1998) / 9 = 18 / 9 = 2
So, the value of the stock in 1998 is x / (5^2) = 1000000 / (5^2) = 1000000 / 25 = 40000.
Therefore, the stock was worth 40000 dollars in 1998.
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diring the cold winters a lake near the srtic circle at the beggining of spring the icestarts to melt
Answers
Answer:
During winter in the Arctic, a lake gets frozen solid with ice. But as spring comes, the ice starts to melt. This happens because the temperature gets warmer and there's more sunlight. It's a natural process that happens every year and shows the change of seasons.
Step-by-step explanation:
find the inverse of F(x)= [tex]5x^{2} -10x+7[/tex]
Answers
Answer:
So the inverse of F(x) is F^-1(x) = 1 ± sqrt((x-2)/5).
Step-by-step explanation:
To find the inverse of F(x), we need to follow these steps:
Step 1: Replace F(x) with y:
y = 5x^2 - 10x + 7
Step 2: Solve for x in terms of y:
y = 5x^2 - 10x + 7
y - 7 = 5x^2 - 10x
5x^2 - 10x = y - 7
5(x^2 - 2x) = y - 7
Completing the square:
5(x^2 - 2x + 1) = y - 7 + 5
5(x - 1)^2 = y - 2
x - 1 = ±sqrt((y-2)/5)
x = 1 ± sqrt((y-2)/5)
Step 3: Replace x with F^-1(x):
F^-1(x) = 1 ± sqrt((x-2)/5)
So the inverse of F(x) is F^-1(x) = 1 ± sqrt((x-2)/5).
Mo and Beth split £48 in the ratio 3.5 how mutch does Beth get
Answers
If Mo and Beth split £48 in the ratio 3.5, Beth gets £10.67.
Let's call the amount that Beth gets "x". Then, the amount that Mo gets is 3.5x.
We know that the total amount they split is £48, so we can set up the following equation:
x + 3.5x = £48
Next, we'll simplify the left side of the equation by combining like terms:
4.5x = £48
Finally, we'll solve for x by dividing both sides of the equation by 4.5:
x = £48 / 4.5 = £10.67
So Beth gets £10.67.
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A die is thrown twice. determine the probability that the sum of the rolls is less than 4 given that at least one of the rules is a 1.
Answers
If at least one of the rolls is a 1, then there is a 1/12 chance that the total of the two dice roll will be less than 4.
A dice roll is what?idiom, informal, used to indicate that a situation could result in either a good or negative outcome. It's always a gamble to open a new restaurant. Whether we succeed or fail is up to chance.
Dice formula: What is it?Probability is calculated as follows: 3 out of 36 potential outcomes x desired outcomes = 0.0833. 8.33 percent is the calculated percentage. 7 is also the most frequent outcome when two dice are used. There are also six different ways to do it. The chance in this situation is 6 x 36 = 0.167, or 16.7%.
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Evaluate the expression for the given value of the variables.
0.7d - 2.1f=
d= 15, f= 3
0.7d - 2.1f = Answer?
Answers
0.7d - 2.1f=
d= 15, f= 3
0.7d - 2.1f = ???
0.7(15)-2.1(3)
=4.2
For each question on a test you get right you earn 1 point. For each question you get wrong you lose 2 points. Mark got 7 questions incorrect. How many points did he loose?
Answers
Answer:
mark score is minus 14
7multiply minus 2
Answer:
14
Step-by-step explanation: