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faust18 [17]
3 years ago
6

I need help with this question:

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0
D, because 50 is LESS THAN or the SAME the amount he can earn, but 100 is GREATER THAN or the SAME amount he can earn so e must be in the middle of the two
Olenka [21]3 years ago
3 0

Answer:

d. 50 ≤ e ≤ 100

Step-by-step explanation: took the test

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Traveling with a speed of 70 mph, a car covered a distance D miles in T hours. Write an equation that relates the distance D thi
irina [24]

Answer:

Part A) D=70T

Part B) D=105\ miles

Step-by-step explanation:

Par A) Write an equation that relates the distance D this car travels in T hours

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

The speed is a proportional relationship between the distance and the time

Let

D ----> the distance in miles

T ----> the time in hours

so

D=kT

In this problem the constant of proportionality k represent the speed of the car in miles per hour

we have

k=70\ mi/h

substitute

D=70T

Part B) Use the equation to find the distance the car travels between 3:30 p.m. and 5:00 p.m

we know that

The time between 3:30 p.m. and 5:00 p.m is equal to

5:00 p.m-3:30 p.m=1.5 hours

so

For T=1.5 h

substitute in the equation and solve for D

D=70(1.5)

D=105\ miles

7 0
3 years ago
Kendra has a painting canvas that is 22 inches wide by 38 inches high. She painted a red rose, which covered 30% of the canvas.
Wittaler [7]

<u>Given: </u>

  • Breadth of canvas is 22 inches.
  • Length of canvas is 38 inches.

<u>To Find:</u>

  • If kendra covered 30% of the canvas by painting red rose, what will be the area of canvas covered by red rose?

<u>Solution: </u>

To find the area of red rose, first we have to find the area of canvas.

★ Area of Rectangle = Length × Breadth

➝ 22 × 38

➝ 836 in²

So, Area of canvas is 836 inches².

★ Area of red rose:-

➝ 30% of 836 in²

➝ 0.30 of 836

➝ 250.8

Hence, Area covered by the red rose is <u>2</u><u>5</u><u>0</u><u>.</u><u>8</u>

<h2> ____________________</h2><h3><u>Additional</u><u> </u><u>Information:</u><u> </u></h3>

★ Triangle => ½bh

★ Rectangle => Length × Breadth

★ Circle => πr²

★ Square => Side × Side

★ Parallelogram => Base × Height

★ Sphere => 4πr²

7 0
2 years ago
In ΔEFG, the measure of ∠G=90°, FG = 2.3 feet, and EF = 6.4 feet. Find the measure of ∠F to the nearest degree.
kondaur [170]

Answer:

69 degrees

Step-by-step explanation:

7 0
3 years ago
HELP PLEASE A car dealership has 64 vehicles on its lot.
Zielflug [23.3K]

Answer:

Pickup trucks 1/4 = 25%

25% of 64 cars = 16 Pickup trucks

Leaving us with 48 cars left.

"twice as many cars as there are SUVs."

32 = cars

16 = SUVs

3 0
3 years ago
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-4x-10=2x+14<br><br> solve for x
natta225 [31]
I did the math I think it’s 12
7 0
2 years ago
Read 2 more answers
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