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mafiozo [28]
3 years ago
7

The sum of 5 times a number and 16 is 31. What is the number? Enter your answer in the box.

Mathematics
2 answers:
agasfer [191]3 years ago
8 0

Answer:

I will do a step by step explanation to help you.

First, subtract 16 from 31 so you can simplify what you need to find. We will call the unknown number X. So 5x = 15

15/5 = 3 so X = 3

Lets plug in X

3 x 5 + 16 = 31

Makes sense!

Hope this helps

Vlada [557]3 years ago
7 0

Answer:

3

Step-by-step explanation:

So first, we'll have to do a quick equation.

31 - 16 = 15

Now, we can divide 15 by 5.

15 ÷ 5 = 3

So now we know that the sum of 5 times a number and 16 is 3 because:

3 x 5 = 15

15 + 16 = 31

So therefore, your answer is 3.

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The polygons are similar. The area of one polygon is given. Find the area of the other polygon.
Fantom [35]

Answer:

108 ft²

Step-by-step explanation:

For the polygon on the left, we are given the length of one side (3 ft) and the total area (27 ft²). With this information, we can determine the length of the other side - 9 ft. I found this by dividing 27 ft² by 3 ft, giving me the final result of 9 ft.

Next, we have to find the other side of the polygon on the <em>right</em> so we can ultimately determine its area. It looks like there is a scale factor of 2 between the two polygons, since 3 × 2 = 6. We know that the bottom side of the left polygon is 9, so multiplying 9 by 2 should give us the bottom side of the polygon on the right. 9 × 2 = 18.

Now, we have the side lengths for the polygon on the right and can determine its area. What is 6 ft × 18 ft? Well, the answer is 107 ft², and this is the answer to the question.

Hopefully that's helpful! :)

5 0
2 years ago
Is 9(2k + 3) and 18k + 27 equivalent <br>​
Lunna [17]
Yes, these are equivalent
3 0
3 years ago
Read 2 more answers
I don't understand the first one.
Mekhanik [1.2K]
No the 6 times 8 is 48 and the 9 times 12 is 108
8 0
3 years ago
Read 2 more answers
Which best explain |-4|=4
Roman55 [17]

Answer:

your finding the absolute value, I  I  this means absolute value which means if its negative it automatically is its own number you get rid of the negative sign if it's positive just keep it because it's already in it's normal number.

For example: I -4 I = 4

For example: I -5 I = 5

For example: I 3/4 I = 3/4

For example: I 3 I = 3

For example: I 4 I = 4

5 0
3 years ago
If segment ST is 5x +1 and segment TQ is 2(x+5) what is the measure of SQ. (ST and TQ are congruent)
yaroslaw [1]
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6 0
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