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2 years ago

I’ll mark the first person to answer

Mathematics

1 answer:

almond37 [142]2 years ago

4 0

Answer:

$3.00 per person $8.00 per vehicle

Step-by-step explanation:

2x3=6 6+8=14

4x3=12 12+8=20

8x3=24 24+8=32

Hope this helps

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It takes Sue, Jeff and Todd 4 hours to paint a room together. If it takes Sue 10 hours by herself and Jeff 12 hours by himself,

diamong [38]

The number of time it would take Todd to paint the room alone is 15 hours.

Let the Todd's time be t.

Given the following data:

Combine time = 4 hours

Sue's time = 10 hours

Jeff's time = 12 hours

To calculate the number of time it would take Todd to paint the room alone:

How to solve a word problem:

In order to solve this exercise, we would first of all calculate their individual rate and combined rate respectively. Finally, we would add their individual rates together and equate it to the combined rate.

For Sue:

$Rate = \frac{1}{10} \;work/hr$

For Jeff:

$Rate = \frac{1}{12} \;work/hr$

For Todd:

$Rate = \frac{1}{t} \;work/hr$

Combined rate:

$Rate = \frac{1}{4} \;work/hr$

Adding the individual rates, we have:

$\frac{1}{10} +\frac{1}{12} +\frac{1}{t} =\frac{1}{4} \\
\\
$

Multiplying all through by 120t, we have:

$12t+10t+120=30t\\
\\
22t+120=30t\\
\\
120=30t-22t\\
\\
120=8t\\
\\
t=\frac{120}{8}$

t = 15 hours.

Read more on word problems here: brainly.com/question/13170908

5 0

2 years ago

PLZ ANSWER ASAP. DUE IN 1 HOUR. DIRECTIONS ARE ON THE SCREENSHOT

babunello [35]

Answer:

DBH is an obtuse angle.

Step-by-step explanation:

D is around the 15 degree mark. h is around the 144 degree mark. Subtract 15 by 15 and 144 by 15 degrees, so that way angle D would be on the 0. You would get 129 degrees, which still makes it obtuse because is greater than 90 degrees

I hope this helps

8 0

3 years ago

How can you check that k ≥ 11 is the solution set to the inequality k + 14 ≥ 25?

Andreyy89

Answer:

K= 11

Step-by-step explanation:

You solve for K by subtracting 14 by 25.

25-14= 11

When k is pluged into k $\geq$ 11 the statement is true because it is equal to 11.

When plugged into k+14 $\geq$ 25;

11+14 =25.

That statement is also true because 25 is equel to 25.

8 0

3 years ago

Find angle N and arc NQ. See the image below.

malfutka [58]

Answer:

Angle N=32

Arc NQ=106

Step-by-step explanation:

Angle N is a inscribed angle of Arc MP so that means Angle N measures 32.

Angle NPQ is a inscribed angle of Arc NQ so that means Arc NQ is twice the measures of NPQ so

Arc NQ=106

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3 years ago

PLEASE HELP MATH 20 POINTS BRAINLIEST

Mamont248 [21]

Answer:

A, C, I, B, D, F, H, G

Step-by-step explanation:

im not sure if this is right if not im so sorry

4 0

3 years ago