7. $60.00 in 5 hours
a. 12 hours for one dollar
b. 5/60
c. $12 per hour
d. $1.20 per hour
The calculated value of the unit rate of the situation is (c) $12 per hour
Calculating the unit rate of the situationFrom the question, we have the following parameters that can be used in our computation:
$60.00 in 5 hours
This means that
Time = 5 hours
Total costs = $60.00
using the above as a guide, we have the following:
Unit rate = Total costs / time
substitute the known values in the above equation, so, we have the following representation
Unit rate = 60.00/5
Evaluate
Unit rate = 12
Hence, the unit rate of the situation is (c) $12 per hour
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What number is equal to 13 ones and 62 hundredths
Answer:13.6
Step-by-step explanation:
Need Help ASAP. Thank you in advance :)
The value of x, considering the vertical angles in this problem, is given as follows:
x = 11.
What are vertical angles?Vertical angles are angles that are opposite by the same vertex on crossing segments, hence they share a common vertex, thus being congruent, meaning that they end up having the same angle measure.
The vertical angles for this problem are given as follows:
(x + 7)º.(2x - 4)º.As the vertical angles are congruent, the value of x is obtained as follows:
2x - 4 = x + 7
x = 11.
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Part D
Now use GeoGebra to measure the lengths of segments AB and BC and calculate the area of rectangle ABCD. Do you get the same result that you obtained in part C? Take a screenshot with the lengths of the sides labeled and the area displayed, and paste it below.
Answer:
id ont givea
efijhaoieuvbhzoiubhoewivbawzoufhbealivjhbr
Step-by-step explanation:
idsifui piuh vSeth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:
In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.
The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC.
Which of these could be a step to prove that BC2 = AB2 + AC2?Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:
In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.
The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC.
Which of these could be a step to prove that BC2 = AB2 + AC2?Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:
In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.
The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC.
Which of these could be a step to prove that BC2 = AB2 + AC2?Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:
In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.
The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC.
Which of these could be a step to prove that BC2 = AB2 + AC2?
A field in the shape of a right triangle is bordered on one side
by a lake, on another side by a street, and on a third side by a
tree line.
What angle does this lake make with the street?
Round only your final answer to the nearest degree.
Put just the number in the blank.
Lake
32 ft
Tree Line
18 ft
Street
Cos = 20/27 = 0.7407
so
angle that stream makes with the road = 42.2
answer
42 (Round only your final answer to the nearest degree)
50 Points! Multiple choice algebra question. Photo attached. Thank you!
It would take 21 weeks for the population to surpass 16,000.
The insect population P in a certain area fluctuates with the seasons and is estimated by the function P = 15,000 + 2500 sin(πt/52), where t is given in weeks.
For the population to surpass 16,000, we can set up the following equation:
15,000 + 2500 sin(πt/52) = 16,000
Subtracting 15,000 from both sides, we get:
2500 sin(πt/52) = 1000
Dividing both sides by 2500, we get:
sin(πt/52) = 0.4
We know that sin(πt/52) is positive when t is between 0 and 52 and between 104 and 156 since sine is positive in the first and second quadrants. Therefore, we can write:
πt/52 = sin⁻¹(0.4)
Multiplying both sides by 52/π, we get:
t = (52/π) sin⁻¹(0.4)
Using a calculator, we can evaluate sin⁻¹(0.4) to be approximately 0.4115 radians.
t = (52/π) (0.4115)
t = 21.02
Therefore, it would take 21 weeks for the population to surpass 16,000.
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Solve the inequality for y.
-3>9-6y
Simplify your answer as much as possible.
Answer:
y > 2
Step-by-step explanation:
You want the solution to the inequality ...
-3 > 9 -6y
SolutionWe can add 6y+3 to both sides. This gives ...
6y > 12
Dividing by 6 tells us the solution for y:
y > 2
__
Additional comment
We could have solved by subtracting 9 to get ...
-12 > -6y
Then dividing by -6 reverses the inequality symbol:
2 < y
We avoid the issue with negative number multiplication or division by making the y-term positive in our solution process.
<95141404393>
100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Answer:
A. All sides of a rhombus are congruent, so if DK = 8, then KL = 8.
B. The diagonals of a rhombus are perpendicular to each other, so if angle KAL = 2x - 8, then we have:
2x - 8 = 90
2x = 98, so x = 49.
C. All sides of a rhombus are congruent, so if DM = 5y + 2 and DK = 3y + 6, then we have:
5y + 2 = 3y + 6
2y = 4, so y = 2, and KL = 5(2) + 2 = 12.
50 Points! Multiple choice algebra question. Photo attached. Thank you!
Answer:
A. Because it would simplify this equation.
Write and solve an equation to find the value of x.
The value of x for each item is given as follows:
28. x = 5.
29. x = 3.44.
How to obtain the value of x in each item?For item 28, we apply the crossing chord theorem, which states that the products of the parts of the chords are equal, hence the value of x is obtained as follows:
16x = 10 x 8
16x = 80
x = 5.
For item 29, we apply the two secant theorem, hence the value of x is obtained as follows:
10(x + 10) = 12(12 + 25)
10x + 100 = 444
10x = 344
x = 3.44.
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WINGSUIT A wingsuit flyer jumps off a tall cliff. He falls freely for a few seconds before deploying the wingsuit and -4.9x² +420, where y is = slowing his descent. His height during the freefall can be modeled by the function y the height above the ground in meters and x is the time in seconds. After deploying the wingsuit, the flyer's height is given by the function y = −3x + 200. deploy the wingsuit?
The total height of the flyer at any time after deploying the wingsuit would be;
y = -3x + 200 + (-4.9t² + 420),
Now, Based on the given information, we can use the two functions to determine the height of the wingsuit flyer at a particular time.
During the freefall, the height of the flyer can be calculated using the function
y = -4.9x² + 420.
Let's say the flyer falls freely for t seconds before deploying the wingsuit.
Therefore, the height at the moment of deploying the wingsuit would be,
y = -4.9t² + 420.
After deploying the wingsuit, the height of the flyer is given by the function
y = -3x + 200.
We can combine these two functions to get the total height of the flyer at any given time after deploying the wingsuit.
So, the total height of the flyer at any time after deploying the wingsuit would be;
y = -3x + 200 + (-4.9t² + 420),
where x is the time after deploying the wingsuit and t is the time of freefall before deploying the wingsuit.
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Factor completely, then place the answer in the proper location on the grid.
9x4 -225y8
The factored expressions of 9x⁴ - 225y⁸ is (3x² + 15y⁴)(3x² - 15y⁴)
How to factor the expressions completelyFrom the question, we have the following parameters that can be used in our computation:
9x⁴ - 225y⁸
²⁴
For the expression, we can apply the difference of two squares
Where
9x⁴ = (3x²)²
225y⁸ = (15y⁴)²
Using the above as a guide, we have the following:
9x⁴ - 225y⁸ = (3x²)² - (15y⁴)²
So, we have
9x⁴ - 225y⁸ = (3x² + 15y⁴)(3x² - 15y⁴)
Hence, the factored expressions is 9x⁴ - 225y⁸ = (3x² + 15y⁴)(3x² - 15y⁴)
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Expand & simplify.
23p - 3( 2k + 14p ) + 5( 6k - p )
Answer:
23p -6k - 42p + 30k - 5p
23p - 42p - 5p + 30k - 6k
23p - 47p + 24k
-24p + 24k
24(- p + k)
24( k - p)
Answer:
The answer is
60p + 24k
Step-by-step explanation:
1: Expand
=23p - 6k + 42p + 30k - 5p
step2: collect like terms
=42p + 23p - 5p - 6k + 30k
step 3: add/subtract them to get your answer
=60p + 24k
your answer☝
For the matrix D shown below, determine the value of the element d12. If the element is not defined, click the undefined button. D = [-3 -8 6 -4] Answer:
The calculated value of the element d₁₂ is -8
How to determine the value of the element d₁₂From the question, we have the following parameters that can be used in our computation:
The matrix D given as
D = [-3 -8 6 -4]
The element d₁₂ represents the element located at the first row and the second column
In this case, the element located at the first row and the second column is -8
Using the above as a guide, we have the following:
d₁₂ = -8
Hence, the value of the element d₁₂ is -8
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
please help me with this math question with solutions please
2×+4=4!
Answer: x= 10
Step-by-step explanation:
2x+4=24
2x=24-4
2x=20
x=10
Answer:
Step-by-step explanation:
2x+4=4
subtract 4 from both sides
2x=0
divide by 2 on both sides
x=0
The exponential model A=433.4e^0.032t describes the population, A, of a country in millions, t years after 2003. Use the model to determine when the population of the country will be 796 million.
The population of the country will be 796 million in
(Round to the nearest year as needed.)
The population of the country will be 796 million approximately in the year 2022.
To find when the population of the country will be 796 million, we can set the equation equal to 796 and solve for t:
[tex]A = 433.4e^{(0.032t)}\\796 = 433.4e^{(0.032t)}[/tex]
Divide both sides by 433.4:
[tex]e^{(0.032t)} = 1.836[/tex]
Take the natural logarithm of both sides:
[tex]ln(e^{(0.032t)}) = ln(1.836)[/tex]
0.032t = 0.605
Divide both sides by 0.032:
t = 18.91
Therefore, the population of the country will be 796 million approximately 19 years after 2003. To find the year, we add 19 to 2003:
2003 + 19 = 2022
Therefore, the population of the country will be 796 million approximately in the year 2022.
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can be repeated. Complete parts (a) and (b).
(a) What is the probability of randomly selecting the correct access code on the first try?
(b) What is the probability of not selecting the correct access code on the first try?
Question content area bottom
Part 1
a. The number of possible access codes. The number of different codes available is 343.
b. The probability of randomly selecting the correct access code on the first try is 0.003
How to calculate the probabilitya. To find the number of possible access codes. The number of different codes available is:
= 7* 7* 7
= 343
(b) The probability of randomly selecting the correct access code is nnothingwill be:
P = 1/343
= 0.003
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The access code for a safe consists of three digits. Each digit can be any number from 0 through 6 , and each digit can be repeated. Complete parts (a) through (c). a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes. The number of different codes available is nothing . (b) What is the probability of randomly selecting the correct access code on the first try?
What is 2x2 + 1000 x 1000
Answer: 2x2 + 1000 x 1000 = 1000004
Step-by-step explanation: you add on 5 0's to the one and 2x2 = 4 so add on the 4 also
Answer:
1000004
Step-by-step explanation:
First we do can separate it into the parentheses: (2*2) + (1000*1000)
= 4 + 1000000
= 1000004
Drag each length to the correct location on the image. Each length can be used more than once, but not all lengths will be used.
What are the missing segment lengths shown in the image?
14√2
14
45
14√2
14√3
45
7√2 7√3
The legs of the big triangle are 14 units and the legs of the small triangle are 7√2 units
How to determine the lengths of the missing segmentsFrom the question, we have the following parameters that can be used in our computation:
The right triangles
The right triangles are special triangles with acute angles of 45 degrees
This means that the relationship between the legs and the hypotenuse of the triangles is
Hypotenuse = Leg√2
Leg = Hypotenuse/√2
Using the above as a guide, we have the following:
Leg = 14√2/√2
Leg = 14
i.e. the legs of the big triangle are 14 units
Leg = 14/√2
Leg = 7√2
i.e. the legs of the small triangle are 7√2 units
See attachment for the triangles
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Answer:
Step-by-step explanation:
A paint machine dispenses dye into paint cans to create different shades of paint. The
amount of dye dispensed into a can is known to have a normal distribution with a mean of 5
milliliters and a standard deviation of 0.4 milliliters. Find the dye amount that represents the
99th percentile of the distribution.
Select one:
O a. 4.1 milliliters
O b. 5.9 milliliters.
O c. 4.9 milliliters
O d. 5.1 milliliters
Answer:
b. 5.9 mL
Step-by-step explanation:
You want the value that represents the 99th percentile of a normal distribution with a mean of 5 mL and a standard deviation of 0.4 mL.
Inverse normalThe inverse of the normal CDF function is used to find the X value for a given area. Here, we want X such that P(x < X) = 0.99 for μ = 5 and σ = 0.4.
The attached calculator output shows that is about X = 5.9305. Rounded to 1 decimal place, the volume is ...
5.9 mL
<95141404393>
(2x^2-9x-5) \div(x-5)
Answer:2x+1
Step-by-step explanation:
PLEASE HELP ME ITS DUE TODAY!!!
4. RSTU is a trapezoid because the opposite sides RS and UT are parallel.
5. RSTU is not an isosceles trapezoid because the diagonals are not congruent.
How to verify that RSTU is a trapezoid?In order to verify that RSTU is a trapezoid, we would have to determine slope of the pair of opposite sides and check whether at least one pair of opposite sides are parallel;
RU ║ ST
Slope of side RU = Slope of side ST
Slope of RU = (y₂ - y₁)/(x₂ - x₁)
Slope of RU = (1 + 3)/(5 + 3)
Slope of RU = 4/8
Slope of RU = 0.5.
Slope of RS = (y₂ - y₁)/(x₂ - x₁)
Slope of RS = (-9 + 3)/(-4 + 3)
Slope of RS = -6/-1
Slope of RS = 6.
Slope of ST = (y₂ - y₁)/(x₂ - x₁)
Slope of ST = (-2 - 1)/(10 - 5)
Slope of ST = -3/5
Slope of ST = -0.6.
Slope of UT = (y₂ - y₁)/(x₂ - x₁)
Slope of UT = (-2 + 9)/(10 + 4)
Slope of UT = 7/14
Slope of UT = 0.5.
Therefore, RSTU is a trapezoid because the opposite sides RS and UT are parallel.
Question 5.
In order to determine whether RSTU is an isosceles trapezoid, we would have to determine length of the diagonals by using the distance formula and check whether they are congruent;
Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]
Distance RT = √[(-2 + 3)² + (10 + 3)²]
Distance RT = √170 units.
Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]
Distance US = √[(5 + 4)² + (1 + 9)²]
Distance US = √181 units.
Therefore, RSTU is not an isosceles trapezoid because the diagonals RT and US are not congruent.
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Your parents are considering renting you an apartment instead of paying room and board at your college. The month-
to-month contract is $539.00/month and the annual contract is $467.00/month. If you break the annual contract,
there is a 2-month penalty.
3. How much do your parents save if you stay a whole year by entering into an annual contract
rather than a month-to-month contract?
4. If you enter into an annual contract but decide to leave after 5 months, how much do your parents lose by not doing the month-to-month contract?
Answer:
Step-by-step explanation:
3: ANSWER = 864
4; ANSWER = I DONT KNOW TNH YOU JUST HAVE TO MULTIPLY AMD THEN SUBRACT BOTH
On Saturday, a local hamburger shop sold a combined total of 234 hamburgers and cheeseburgers. The number of cheeseburgers sold was two times the number of hamburgers sold. How many hamburgers were sold on Saturday?
Answer:
78
Step-by-step explanation:
Let the number of hamburgers sold = x.
Then, the number of cheeseburgers sold = 2x.
Total number of sales: x + 2x = 3x
Total number of sales: 234
3x = 234
x = 78
Answer: 78
A right circular cylinder has a surface area of 112 π. If the height of the cylinder is 10, find the diameter of the base.
If the height of the cylinder is 10, the diameter of the base of the cylinder is 8 units.
A right circular cylinder has two congruent circular bases and a curved surface area. To find the diameter of the base, we need to first find the radius of the base.
Let's begin by using the given information to write an equation. The surface area of a cylinder is given by the formula:
Surface Area = 2πr² + 2πrh
where r is the radius of the base and h is the height of the cylinder.
We are given that the surface area of the cylinder is 112π and the height is 10. Substituting these values, we get:
112π = 2πr² + 2πr(10)
Simplifying the equation by dividing both sides by 2π, we get:
56 = r² + 10r
Now we have a quadratic equation in terms of r. We can solve this equation by using factoring, completing the square, or the quadratic formula. Let's use factoring:
r² + 10r - 56 = 0
(r + 14)(r - 4) = 0
The solutions are r = -14 and r = 4. Since the radius cannot be negative, the radius of the base is 4.
The diameter of the base is twice the radius, so the diameter is 8.
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Billy, Kip, and Patrick earned a combined 14 points during their team's game. Billy earned 5 points and Kip earned 6 points. Which of the following equations can be used to determine how many points Patrick earned?
5 + 6 = 14 + y
6y + 5 = 14
5y + 6 = 14
5 + 6 + y = 14
The equation can be used to determine how many points Patrick earned is ;5 + 6 + y = 14.
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables.
A mathematical equation is a statement with two equal sides and an equal sign in between. 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.
Given that Billy, Kip, and Patrick earned a combined 14 points during their team's game. Billy earned 5 points and Kip earned 6 points.
We can determine the direct answer by taking Billy and Kip's points and subtracting it from the total combined points.
That will give us 11, which means Patrick earned 3 points.
The equation we can use to represent this is ;5 + 6 + y = 14.
PLS HELP MARKING AS BRAINLIST
Answer:
108 sq ft
Step-by-step explanation:
The formulas are given in the bottom right.
For the triangles*, the base = 8 ft. The height = 6 feet.
Area = (bh)/2.
Area = (8*6)/2 = (48)/2 = 24 sq ft.
There are two of those identical triangles. 24+24 = 48.
(*Another way to look at this is to say that the base = 8+8 = 16. Area = (bh)/2 = (16*6)/2 = 96/2 = 48. It doesn't matter, mathematically. I can't tell if they have tried to show this as 2 triangles or one.)
For the bottom rectangle, area = length x width = 6*10 = 60 sq ft.
Add them up! 24 + 24 + 60 = 108 sq ft.
Each day, Nicole earns a fixed wage plus extra money for every hour of overtime she works. The graph shows her total pay (in dollars) versus the amount of
overtime (in hours) that she works.
Total pay
(dollars)
I Don't Know
737
Mostly cloudy
Overtime (hours)
Subm
(a) What is Nicole's total pay with 0 hours of overtime?
(b) Choose the statement that best describes how the amount
of overtime and total pay are related. Then fill in the blank.
Search
As the amount of overtime increases, the total pay
decreases.
At what rate is the total pay decreasing?
$ per hour
As the amount of overtime increases, the total pay
increases.
At what rate is the total pay increasing?
$ per hour
1. The Roth Family took out a $215,000 with a 15-year mortgage at an APR of 5.4%. The
monthly payment was $1,850. What will be their total interest charges after 15 years?
The total interest charges to the Roth Family, after 15 years, given the monthly payment would be $ 118, 000
How to find the total interest charges ?First, find the total amount paid over the 15 years by the Roth Family to be :
= Number of years x Monthly payment x Number of months per year
= 15 x 1, 850 x 12
= $ 333, 000
The total interest charges that the Roth Family paid would be :
= Total amount paid after 15 years - Total amount borrowed as mortgage
= 333, 000 - 215, 000
= $ 118, 000
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