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mariarad [96]
3 years ago
7

HELP PLS I'LL MARK BRAINLIEST !!

Mathematics
1 answer:
pshichka [43]3 years ago
7 0
I’m pretty sure it’s 40
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Ryan is building a treehouse . It will take 85 & 1/4 hours to complete. He can work on the tree house 15 & 1/2 hours eac
Gnoma [55]

Answer:

<em> 5 1/2 weeks </em>

Step-by-step explanation:

Given

Time it will take to complete the building = 85 1/4 hrs

Time he works on the house weekly = 15 1/2 hours

This can be expressed as

1 week = 15 1/2 hours

To calculate the number of weeks it will take to complete the house, we will say:

x = 85 1/4

Cross multiply

15 1/2 x = 85 1/4

31/2 x = 341/4

31x/2 = 341/4

Cross multiply again

31x * 4 = 2 * 341

124x = 682

x  = 682/124

x = 5.5weeks

<em>Hence it will take Ryan 5 1/2 weeks to complete the house</em>.

6 0
3 years ago
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Paul [167]

3(x + 1) = 5(x - 2) + 7

  • Distribute 3 and 5 inside their respective parentheses.

3x + 3 = 5x - 10 + 7

  • Combine like terms.

3x + 3 = 5x - 3

  • Add 3 to both sides.

3x + 6 = 5x

  • Subtract 3x from both sides.

6 = 2x

  • Divide both sides by 2.
<h3>x = 3</h3>
4 0
3 years ago
Read 2 more answers
A store stocked 150 cans of popcorn for a weekend sale. That weekend, 94 of the cans sold. What percent of the cans of popcorn s
adell [148]

Answer:

62.7%

Step-by-step explanation:

(94 / 150) * 100

0.62666... * 100

=62.666...

=62.7%

8 0
3 years ago
27 x and<br>45y<br>Find the GCF of the terms:<br>b. 3<br>a. 1<br>d. 9xy<br>b. 9​
Luden [163]

Answer:

d. 9

Step-by-step explanation:

it can't be the rest... ion even know how to explain it.

3 0
3 years ago
Figure ABC is reflected about the x-axis to obtain figure A’B’C’:
MArishka [77]

Answer:

  D. Figure ABC is congruent to figure A’B’C’.

Step-by-step explanation:

Any figure transformed by a rigid transformation (rotation, reflection, translation) is congruent to the original.

3 0
3 years ago
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