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Ainat [17]
3 years ago
12

Which equation does this story match: The temperature is -7. Since midnight the temperature tripled and then rose 5 degrees. Wha

t was the temperature at midnight?
5x - 7=3

7=3(5+ x)

3x + 5 = -7

13 (x+ 7) = 5
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
4 0
5x-7=3 :))))))))))))))))))))))
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If their food and beverages costs$25.30 and there is an 8% meals tax, how much is the bill
Mashutka [201]
Hey there Unrazed90,

Answer : 

100% = $25.30
1% = $25.30 / 100
      = $0.253
8% = $0.253 x 8 
      = $2.024
Total = $25.30 + $2.024
         = $27.324
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Hope this helps :D

<em>~Natasha ♥</em>
8 0
4 years ago
Please help thanks so much.
Alik [6]
You can see if they are similar by looking at the sides.

If each of the sides have the same proportion then they are similar.

24/3 = 8
32/4 = 8
112/14 = 8

Yes they are similar and their ratio is 1:8

Hope this helps :)
3 0
4 years ago
Read 2 more answers
Solve the equation for x and enter your answer in the box below <br> x + 14 =27
Helen [10]

Answer: x = 13

Step-by-step explanation: When solving an equation like this, we are trying to get our variable which is our letter by itself.

So we first want to ask ourselves what is the 14 doing to <em>x</em>. Well, we can see that it's being added to <em>x</em> so to get <em>x</em> by itself, we will do the opposite of addition which is subtraction. So we subtract 14 from both sides of the equation.

The +14 -14 cancels out so we're left with <em>x</em> on the left.

On the right, we must subtract 14 from 27 to get 13.

So we have x = 13 which is the solution to this equation.

3 0
4 years ago
Read 2 more answers
A box at the post office has dimensions as shown below. A rectangular prism with a length of 12 inches, width of 8 inches, and h
steposvetlana [31]

Answer: 1536 inches

Step-by-step explanation:

Fron the question, a rectangular prism has a length of 12 inches, width of 8 inches, and then a height of 16 inches. The volume can be gotten by multiplying the length by the width and height.

Volume= length × width × height

Volume = 12 × 8 × 16

Volume = 1536 inches

The volume of the box is 1536 inches.

5 0
3 years ago
Write as a product of two polynomials.<br> a(b–c)+d(c–b)
Naya [18.7K]

Answer:

(b - c)(a - d)

Step-by-step explanation:

Given

a(b - c) + d(c - b) ← factor out - 1

= a(b - c) - d(b - c) ← factor out (b - c) from each term

= (b - c)(a - d)

4 0
3 years ago
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