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Yanka [14]
3 years ago
14

Solve for x 3 (x + 5) = 9​

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
5 0

Answer:

x = - 2

Step-by-step explanation:

Given

3(x + 5) = 9 ← divide both sides by 3

x + 5 = 3 ( subtract 5 from both sides )

x = - 2

kicyunya [14]3 years ago
3 0

Answer:

- 2

Step-by-step explanation:

3 ( x + 5 ) = 9

x + 5 = 9 / 3

x + 5 = 3

x = 3 - 5

x = - 2

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Talia has a square bedroom. Her family is moving and her bedroom in her new apartment will be 3 feet shorter in one direction an
djverab [1.8K]

Answer (x represents the first direction and the y represents the second direction):

  1. (x - 3) × (y + 5)
  2. New bedroom: 7 ft × 15 ft. Her new bedroom is 5 sq. ft larger than her old bedroom

I hope this helps!

3 0
3 years ago
Chantel drew a picture of her dog on a piece of paper that is 12 centimeters long. She used a copy machine to enlarge her drawin
Georgia [21]

Answer:

a(n)=1.15[a(n-1)]

Step-by-step explanation:

we know that

115\%=115/100=1.15

Let

a0 -----> the length of the original copy

<em>The first copy is equal to</em>

a1=1.15(a0)

<em>The second copy is </em>

a2=1.15[1.15(a0)] or a2=1.15[a1]

<em>The third copy is</em>

a3=1.15{1.15[1.15(a0)]} or a3=1.15[a2]

therefore

A recursive formula will be

a(n)=1.15[a(n-1)]

3 0
3 years ago
Module 6 What is the line of best fit? Why do we want the sum of the residuals to be as close to zero as possible?
Mamont248 [21]

Answer:

zero residual equals zero mean

6 0
3 years ago
What kind of slope does the following line have?<br> +
Softa [21]

Answer:

horizontal and vertical

Step-by-step explanation:

if its the plus?

5 0
3 years ago
Please help greatly appreciated :)
matrenka [14]

Step-by-step explanation:

we know ,

area of circle =πr^2

hence we get from the figure that the diameter of circle is 19 cm and we can find radius

r=d/2

r=18/2=9cm

area of semicircle =πr^2/2

area of Semi circle equals to =22*(9)^2/7/2

=127.2857143

3 0
3 years ago
Read 2 more answers
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