The percent of people satisfied with the survey is 55%
What is percentage?A percentage is a number or ratio that can be expressed as a fraction of 100.
Given that, in a survey of 1,600 people who owned a certain type of car, 880 said they would buy that type of car again, we need to find what percent of the people surveyed were satisfied with the car,
The percent of people satisfied with the survey = 880 / 1600 × 100
= 55%
Hence, the percent of people satisfied with the survey is 55%
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Suppose that R and S are points on the number line. If RS= 11 and S lies at 5, where could R be located?
R and S are points on the number line. If RS= 11 and S lies at 5, where could R be located 16 or -6.
What do you mean by number line?A number line is a visual representation of numbers arranged in a continuous sequence along a straight line. It is used to represent the real numbers and to help visualize relative sizes and order of numbers. The numbers on a number line are placed at equal intervals, and the distance between two numbers represents the magnitude of the difference between them.
A typical number line starts from a specific number on the left, such as zero, and extends to the right, with positive numbers increasing as you move to the right and negative numbers decreasing as you move to the left. Points on the number line correspond to specific numbers, and the position of a point on the line represents the value of that number.
The number line is a useful tool in mathematics for solving problems, such as determining the solution to an equation, estimating the value of a decimal or fraction, or visualizing the magnitude of a negative or positive number. It is also used in geometry to represent the positions of points and to understand concepts such as distance and midpoint.
If S lies at 5 on the number line and RS = 11, then R could be located at either 5 + 11 = 16 or 5 - 11 = -6. So, R could be at either 16 or -6 on the number line.
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The graph shows a system of linear equations. Decide if each statement about the lines of the system is true or false.
a. The lines are not parallel, so the system has one solution.
b. The lines do not intersect, so the system has no solution.
c. There is exactly one solution to the system of equations.
d. The slopes of the lines are different.
What is the equation for Chin’s charges needed to solve the system and find the cost of the initial and additional hours?
The equation, in slope-intercept form is y = 0.75x + 1.75
How to determine the equation, in slope-intercept formThe equation for total cost can be represented in slope-intercept form as:
y = mx + b
where y is the total cost, x is the number of tacos,
m is the slope (the cost per taco), and b is the y-intercept (the cost of the drink).
So in this case,
m = 0.75 (the cost per taco),
b = 1.75 (the cost of the drink), and
x is the number of tacos.
So, the equation is:
y = 0.75x + 1.75
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Complete question
Chin is sells food at a local taco truck. She sells a soda which costs $1.75. Tacos cost $0.75 each.
What is the equation for Chin’s charges needed to solve the system and find the cost of the initial and additional hours?
Mitzi received some gourmet brownies as a gift. The wrapper said each brownie was 606 calories, and had 207 calories of fat. What percent of the total calories in each brownie comes from fat?
The percent of the total calories in each brownie comes from fat is 34%
What is percentage?Percentage is described as a number or ratio expressed as a fraction of 100.
It is often represented with the percent sign, "%"
Abbreviations like "pct" and "pc" are used to denoted it.
Percentage is a dimensionless number, that is, it has no unit of measurement.
From the information given, we have that;
207 calories of fat/606 calories in a brownie × 100/1
Divide the values, we get;
0. 34 × 100/1
Multiply the values
34%
Hence, the value is 34%
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What is the number of individual outcomes when spinning the wheel three times?
12, 4, 3, 64
1:4
it would be 1 to the ratio of 4 because its 4 numbers listed only once which means youll have a chance of one out of 4 to get one number four different times
Diana has z gerbils. Jackie has 4 times as many gerbils as Diana.
a) If w stands for the number of gerbils Jackie has, express w in terms of z.
b) State the independent and dependent variables in the equation.
If the terminal side of angle θ goes through the point (−5/13,12/13) on the unit circle, then what is sin(θ)?
The value of sin θ from the unit circle is sin θ = 0.9230769
What is a Circle?A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “center”. Every line that passes through the circle forms the line of reflection symmetry. Also, the circle has rotational symmetry around the center for every angle
The circumference of circle = 2πr
The area of the circle = πr²
where r is the radius of the circle
The standard form of a circle is
( x - h )² + ( y - k )² = r²,
where r is the radius of the circle and (h,k) is the center of the circle.
Given data ,
The terminal side of angle θ intersects the unit circle in the first quadrant at ( 3√10/10,√10/10 )
So , the equation of circle is ( x - h )² + ( y - k )² = r²
For a unit circle , the radius r = 1
x² + y² = r² be equation (1)
Substituting the values of x and y in the equation , we get
x = -5/13
And , y = 12/13
Now , for a unit circle , the terminal side of angle θ is ( cos θ , sin θ )
So , the value of cos θ = ( -5/13 ) and sin θ = ( 12/13 )
On simplifying the equation , we get
sin θ = ( 12/13 )
sin θ = 0.9230769
Hence , the value of sin θ = 0.9230769
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-7x + y = -19
-2x + 3 y = -19
Answer:
(2, -5)
Step-by-step explanation:
-7x=y=-19
y=7x-19
-2x+3(7x-19)=-19
-2x+21x-57=-19
19x-57=-19
19x=38
x=2
-2(2)+3y=-19
-4+3y=-19
3y=-15
y=-5
Omit all observations (rows) that have missing values. How many observations remain in the data
There are 2 observations remaining in the data
How to determine the number of observations remainingThe complete question is added as an attachment
From the question, we have the following parameters that can be used in our computation:
The table of values
From the table of values. we have
Number of observations = 5
Observations with missing values = 3
So, we have
Remaining =5 - 3
Evaluate
Remaining = 2
Hence, the remaining observations is 2
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at a special sale all shirts sell at one price and all caps at another price. kathy pays 30 for 3 shirts and 2 caps. marc pays 23 for 1 shirt and 5 caps. how many dollars does each shirt sell?
Using linear equations, the cost of each t - shirt is $8.
What are linear equations?Consider how (0,5), (1, 4), (2, 3), etc. are all possible answers to the linear equation x + y = 5 to illustrate the infinite number of solutions to a linear equation with two variables. One solution that satisfies both solutions can exist for systems of two linear equations with two variables.
The only way to solve x + y = 5 and 2x y = 1 is to combine two equations with two variables into one equation with one variable, which is what we do when solving a system of equations. The two equations in the system can be added or subtracted to cancel out, or eliminate, one of the variables as each equation in the system has two variables.
Given,
Kathy pays 30 for 3 shirts and 2 caps.
marc pays 23 for 1 shirt and 5 caps.
Let us assume cost of t - shirt = x
cost of cap = y
⇒ 3x + 2y = 30
⇒ x + 5y = 23
on solving the equations using elimination method,
Multiply 2 equation by 3,
⇒ 3x + 2y = 30
⇒ 3x + 15y = 69
Now, subtract both equation -
⇒ - 13y = -39
⇒ y = 3
x = 30 - 2 × 3 / 3
x = 8
cost of each t - shirt = $ 8
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What is the slope-intercept form of the function described by this table?
x 0 1 2 3
y 3 8 13 18
Enter your answer by filling in the boxes.
y =
x +
The slope-intercept form of the function described by this table?
x 0 1 2 3
y 3 8 13 18. is y = 5x + 3
How did we get the value?The slope-intercept form of a linear equation is given by y = mx + b, where m is the slope of the line and b is the y-intercept. To find the equation that fits the table, we can use the two points (0, 3) and (1, 8) to calculate the slope and y-intercept.
First, calculate the slope:
m = (8 - 3) / (1 - 0) = 5
Next, use the point-slope form of a line to find the y-intercept:
y - 3 = 5(x - 0)
Expanding the right-hand side:
y - 3 = 5x
Adding 3 to both sides:
y = 5x + 3
So, the slope-intercept form of the function described by the table is:
y = 5x + 3
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The graph of a linear relationship contains the points (1,10) and (3,16) write the equation of the line in slope
Answer:
Step-by-step explanation:
The equation of the line with the given points is y = 6x - 4. This can be derived by calculating the slope of the line, which is 6, and then using the point-slope form of the equation of a line, y - y1 = m(x - x1), where m is the slope and (x1, y1) is a point on the line. In this case, the given points are (x1, y1) = (1, 10), so the equation of the line is y - 10 = 6(x - 1) or y = 6x - 4.
Answer y == 3
+7
Step-by-step explanation:
The graph of a linear relationship contains the points (1, 10) and (3, 16).
Write the equation of the line in slope-intercept fo
Step-by-step explanation:
the general slope-intercept form is
y = ax + b
a is the slope, which is the ratio of "y coordinate change / x coordinate change" when going from one point to another on the line.
b is the y-intercept - the y value when x = 0.
for the slope we see
x changes by +2 (from 1 to 3)
y changes by +6 (from 10 to 16)
so, the slope a is +6/+2 = 3
and the semi-ready equation is
y = 3x + b.
now we use one of the points in the equation to solve for b. I picked (1, 10) :
10 = 3×1 + b = 3 + b
b = 7
so, the full equation is
y = 3x + 7
Find the measures of the interior angles of the triangle.
A triangle A B C, with angle A measure x degrees, angle B measures x plus 65 degrees, and angle C measures 25 degrees.
The measures of the interior angles of the triangle are: A=45°, B=110° and C=25°.
TrianglesTriangles are geometric figures with three (3) sides. They can present different classifications regarding their sides or angles.
The sum of any triangle's angles will always be 180°, independent of its classification.
The question gives that the angles of the given triangle are:
A=x
B= x+65°
C=25°
If A+B+C= 180° with the given values for angles B and C you can write:
x+x+65+25=180
2x+90=180
2x=180-90
x=90/2
x=45°
Thus, from the given information you have:
A=45°
B= 45+65°=110°
C=25°
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Toby bought a duffel bag. He gave the cashier $18.44 and received $1.79 in change. How much did the duffel bag cost? $
Answer: 16.65
Step-by-step explanation:
Billy bought a bag of jelly beans from the store. Billy counted the jelly beans
when he got home and counted a total of 55. The bag contained red and blue jelly beans. The nume cof blue jelly beans was 5 less than three times the number of red jelly beans. How many jelly beans were there of each color?
Use a Let statement to define your variables.
Set up two equations and solve for the number of red and blue jelly beans.
The number of red jelly beans and blue jelly beans are 15 and 40 respectively.
How to represent situation with an equation?Billy bought a bag of jelly beans from the store. Billy counted the jelly beans when he got home and counted a total of 55. The bag contained red and blue jelly beans. The number of blue jelly beans was 5 less than three times the number of red jelly beans.
Therefore, let's find the jelly beans of each colour.
Using equation,
let
x = number of blue jelly beans
y = number of red jelly beans
Therefore,
x + y = 55
x = 3y - 5
Therefore,
x + y = 55
-x + 3y = 5
add the equations
4y = 60
y = 60 / 4
y = 15
x = 55 - 15
x = 40
Therefore,
number of blue jelly beans = 40
number of red jelly beans = 15
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A manufacturer of economy cars has determined that 52,000 cars per month can be sold at a price of $8980 per car. At a price of $8730, the number of cars sold per month would increase
to 57,000. Determine a linear function that predicts the number of cars that will be sold at a price of x dollars.
N =
Use this model to predict the number of cars that will be sold at a price of $8480.
cars
The linear function that predicts the number of cars that will be sold at a price of x dollars is y = -0.05x + 11580.
What is linear function?Each term in a linear equation has an exponent of 1, and when this algebraic equation is graphed, it always produces a straight line. It is called a "linear equation" for this reason.
To determine the linear function that predicts the number of cars sold we need to find the slope of the equation.
The two coordinated given are:
(x1, y1) = (52000, 8980)
(x2, y2) = (57000, 8730)
The slope of the equation is given by:
m = (y2 - y1) / (x2 - x1)
m = (8730 - 8980) / (57000 - 52000)
m = - 0.05
Substituting the value of the coordinates and slope in the point-slope form we have:
y - y1 = m (x - x1)
y - 8980 = -0.05(x - 52000)
y - 8980 = -0.05x + 2600
y = -0.05x + 11580
Hence, the linear function that predicts the number of cars that will be sold at a price of x dollars is y = -0.05x + 11580.
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Is -14 greater or less than 16
-14 is less than 16. All negative numbers are less than positives!
write two less than two times a number is equal to 12 than four times the number equation
Answer:4x - 2 = 12
Step-by-step explanation:
The sector shows the area of a lawn that will be watered by a sprinkler. What is the area, rounded
to the nearest tenth?
Use 3.14 for .
30°
10 ft
26.2 square feet
95.5 square feet
5.2 square feet
191.1 square feet
The area of the lawn that will be watered by the sprinkler is 191.1 square feet, rounded to the nearest tenth.
What is area?Area is a measurement of the size of a two-dimensional surface, such as a square, rectangle, or circle. It is calculated by multiplying the length of the surface by its width. Area can also be measured in terms of square units, such as square feet or square meters. Area is an important concept in mathematics and is used to measure the size of shapes and objects. It is also used to find the total area of a group of shapes.
To calculate the area, use the formula A = r2θ, where A is the area, r is the radius, and θ is the central angle in radians. In this scenario, the radius is 10 ft and the central angle is 30°, or π/6 radians. Plugging these numbers into the formula, we get A = (10 ft)2(π/6 radians), or 191.1 square feet.
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Look at the coordinate plane. Which quadrant is the point (5,–4) in?
Answer:
Quadrant IV
In quadrant 4, the x-coordinate is positive, while the y-coordinate is negative.
The variables y and x have a proportional relationship, and y = 12 when What is the value of x when y 6?
The value of the variable x when y = 6 is 2
How to determine the valueIt is important to note that a proportional relationship between variables or events means that as one increases in its value, the other also increases in the same way.
From the information given, we have that;
The variable y and x is proportional
This is represented as;
y ∝ x
Find the constant value
k = y/x
Substitute the values
k = 12/4
k = 3
Then when y = 6, we get;
x = y/k
x = 6/3
x = 2
Hence, the value is 2
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PLEASE HELELPEPE PLEASEEEE
so a and b are positive integer
so when we put the all options in place of a one by one in equation we will get
a+26=b²
10+26= b²
b=√36
b= 6
so a must be 10.
NEED HELP ASAP
Using the linear equation Y = 2x + 1 and the quadratic equation Y = x^2 -4x + 3 , solve the system of equations algebraically, showing your work. Then, graph your system of equations.
Answer:
[tex](3+\sqrt{7},7+2\sqrt{7})[/tex]
[tex](3-\sqrt{7},7-2\sqrt{7})[/tex]
Step-by-step explanation:
Given equations:
[tex]\begin{cases}y=2x+1\\y=x^2-4x+3\end{cases}[/tex]
Substitute the second equation into the first equation:
[tex]\implies x^2-4x+3=2x+1[/tex]
Rearrange so that the terms in x are on the left side of the equation and the constants are on the right:
[tex]\implies x^2-4x-2x=1-3[/tex]
[tex]\implies x^2-6x=-2[/tex]
Add the square of half the coefficient of the term in x to both sides:
[tex]\implies x^2-6x+\left(\dfrac{-6}{2}\right)^2=-2+\left(\dfrac{-6}{2}\right)^2[/tex]
[tex]\implies x^2-6x+9=-2+9[/tex]
[tex]\implies x^2-6x+9=7[/tex]
Factor the perfect square trinomial on the left side of the equation:
[tex]\implies x^2-3x-3x+9=7[/tex]
[tex]\implies x(x-3)-3(x-3)=7[/tex]
[tex]\implies (x-3)(x-3)=7[/tex]
[tex]\implies (x-3)^2=7[/tex]
Square root both sides of the equation:
[tex]\implies x-3=\pm \sqrt{7}[/tex]
Add 3 to both sides of the equation:
[tex]\implies x=3\pm\sqrt{7}[/tex]
To find the y-values, substitute the found x-values into the first equation:
[tex]x=3+\sqrt{7}\implies y=2(3+\sqrt{7})+1=7+2\sqrt{7}[/tex]
[tex]x=3-\sqrt{7}\implies y=2(3-\sqrt{7})+1=7-2\sqrt{7}[/tex]
Therefore, the solutions to the system of equations are:
[tex](3+\sqrt{7},7+2\sqrt{7})[/tex][tex](3-\sqrt{7},7-2\sqrt{7})[/tex]45) Elaine had 6 buttons and her grandmother donated 6 cards of buttons to the collection. Elaine sorted the buttons into 6 piles, putting 8 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
The number of buttons on each card from Elaine's grandmother is given as follows:
7 buttons.
How to obtain the number of buttons on each card?The number of buttons on each card is obtained applying the proportions in the context of this problem.
Elaine sorted the buttons into 6 piles, putting 8 buttons in each pile, hence the total number is given as follows:
6 x 8 = 48.
Elaine had 6 buttons, hence the number donated is given as follows:
48 - 6 = 42.
6 cards were donated, hence the number of buttons in each card is given as follows:
42/6 = 7.
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Nicole has 144 role-playing cards and $9 to buy more cards
The total number of cards is 192 cards
How to determine the total number of cardsFrom the question, we have the following parameters that can be used in our computation:
Initial number of cards = 144 cards.
Nicole pays for the:
9/27 = 1/3 of the set
so she gets proportional amount of cards:
1/3*144 = 48 cards
Total number of cards Nicole has now:
144 + 48 = 192
Hence, the total number of cards is 192
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Complete question
Nicole has 144 role-playing cards and $9
to buy more cards. She and her friends buy
another set that costs $27. They evenly
split the cost and the cards in the set. How
many cards does Nicole have after she buys
part of a set with her friends?
Find the answers of both of these
The volume of the cylinder with a radius of 19 km and a height of 5 km is 5706 km³, using 3.14 for π.
What is the volume of a cylinder?
The cylinder's volume is given by the formula, πr²h, where r is the radius of the circular base and h is the height of the cylinder.
The formula for the volume of a cylinder is given by:
V = π * r²* h
Where r is the radius of the base and h is the height of the cylinder.
Given that the radius of the cylinder is 19 km and the height is 5 km, we can substitute these values into the formula:
V = π * 19² * 5
V = 3.14 * 361 * 5
V = 5706 km³
Therefore, the volume of the cylinder with a radius of 19 km and a height of 5 km is 5706 km³, using 3.14 for π.
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How much would you need to deposit in an account now in order to have $3000 in the account in 10 years? Assume the account earns 5% simple interest. Round your answer to the nearest cent.
The amount to be deposited for 10 years is $2000.
Given that,
Simple interest is 5%
The amount to be in the account is $3000
The time period is 10 years.
The formula associated with these values is
A = P(1+rt)
where A = amount after 10 years
P = amount to be deposited in the account
r = rate of interest
t = time period
By applying the formula,
3000 = P (1+ (5% × 10))
3000 = P (1+ (0.05 × 10)
3000 = P (1 + 0.5)
3000 = P (1.5)
P = 3000/1.5
P = 2000 $
Therefore, $2000 should be deposited in an account in order to have $3000 in the account after 10 years.
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The graph of g is a transformation of the graph of f. Describe the transformation.
Every output value for g is half the output value for f.
I would describe the transformation as a vertical compression by a factor of 1/2, since every y-value was cut in half.
g(x) = 1/2 · f(x)
Work out the following sheet,please
If the terminal side of angle θ goes through the point (√5/5,2√5/5) on the unit circle, then what is cos(θ)?
The cosine of the angle θ is √5/5 whose terminal side passes through the given point
What are trigonometric functions?In mathematics, trigonometric functions are real functions that relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric functions are Sine, Cosine, Tangent, Secant, Cosecant, and Cotangent.
Given here: The terminal side goes through the point (√5/5,2√5/5)
Thus we have cosθ =√5/5 and sin θ =-2√5/5
now tan θ =sinθ /cosθ
tanθ =-2√5/5 / √5/5
θ = 63.434
Hence, cosθ =√5/5
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