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Nataly_w [17]
3 years ago
9

you are working on a project for school. the project will take 12 hours to finish in all. so far, you have worked on the project

for 5 hours and 15 minutes. how much longer you have to finish?
Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0

Answer:

6 hours and 45 minutes

Step-by-step explanation:

First, convert 12 hours into minutes.

12*60=720

Convert 5 hours to minutes and add 15

5*60=300+15=315

Subtract 720 from 315.

720-315=405

Convert into hours and minutes.

405/60=6.75

0.75 of an hour is 45 minutes so the answer is 6 hours and 45 minutes.

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AM= 5x+10 MB= 4x+16 is the midpoint of AM. Find AM
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5x+10=4x+16
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3 years ago
The measures of the angles RST are given by the expressions in the table.
Softa [21]
To find the value of x, and then find the angles of triangle RST, we first need to set up an equation equal to 180.

First, the equation = 180:

We have 31, x+4, and 3x+9.
What we can do is make an equation in which adds the angles to equal 180.
As so:

31 + x + 4 + 3x + 9 = 180

Combine like terms:

31 + x + 4 + 3x + 9 = 180
44 + x + 3x = 180
44 + 4x = 180

Now, we need to simplify this further by subtracting 44 from each side:

44 - 44 + 4x = 180 - 44
4x = 136

Next, to simplify this equation <em>even</em> further, we need to divide each side by 4 (Resulting in the x being alone on one side of the equation.)

4x / 4 = 136 / 4
x = 136 / 4
x = 34

Awesome! We now know that x = 34!
However, we are not completely finished with this problem. Let's continue.

To find the angles of S and T, we need to substitute 34 in for x:

S:
(x + 4)
(34 + 4)
38 <em>degrees</em>

T:
(3x + 9)
(3(34) + 9)
(102 + 9)
111 <em>degrees
</em>
<em />Amazing! We now can conclude all of the angles' measurements:
<em>R</em> = 31
<em>S</em> = 38<em>
</em><em>T = </em>111
Also, x = 34.

Hope I could help you out! If my math is wrong or it isn't the answer you were looking for, please let me know!
Have a good one.
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I will rate you the brainliest (:
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Answer:

The answer would be D.

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Jade and chet get a weekly allowance plus x dollars for each time the pair walks the dog. they plan to save 40% of their combine
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The amount of money Jade and chet will have to purchase the app is $11.6

<h3>How to solve equation?</h3>

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Where,

x = $2.50

Amount each earned:

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Amount planned to save = 40% of combined earnings

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Learn more about equation:

brainly.com/question/2972832

#SPJ1

8 0
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