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tamaranim1 [39]
3 years ago
8

Each side of a square is increased by 4 inches. The area of the new square is 121 square inches. Find the length of a side of th

e original square
Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0

The length of a side of the original square is 7 inches

fgiga [73]3 years ago
6 0

Answer:

x = 7

Step-by-step explanation:

4 times 4 times 7 = 121

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Find each angle measure in the figure<br><br><br><br>The angle measures are ___°, ___° And ___°.​
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3 0
3 years ago
–20, - 12,5, 22, . . .<br> An=<br> A50=
marshall27 [118]

Answer:

an = 17n - 46

a50 = 804

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-29, -12, 5, 22, ...

Subtract each number from the next one.

-12 - (-29) = 17

5 - (-12) = 17

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The common difference is 17. This is an arithmetic sequence which starts with -29, and in which each subsequent value is 17 more than the previous value.

a1 = -29

a2 = -29 + 17

a3 = -29 + 2(17)

a4 = -29 + 3(17)

Notice that for each term, you have -29 and something added to it. What you add to -29 is 17 multiplied by 1 less than the number of the term. For term 1, 1 less than 1 is 0. You add 0 * 17 to -29 and get -29. term 1 is -29. For term 2, 1 less than 2 is 1. You add 1 * 17 to -29 and get -12, etc.

For term n, 1 less than n is n - 1. Add (n - 1) * 17 to -29 to get term n.

an = -29 + 17(n - 1)

This formula can be simplified.

an = -29 + 17n - 17

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a50 = 804

8 0
3 years ago
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wel
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the actual answer is 29.111111, which would not be a remainder of 1.
3 0
3 years ago
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