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3 years ago

11

Solve for x help don't know how to do this

1 answer:

Charra [1.4K]3 years ago

5 0

Both triangle are isosceles, which means their base angles are congruent.

54 + 2y = 180
2y = 126
y = 63

The measure of the base angles of the triangle on the left is 63 degrees.

180 - 63 = 117

117 + 2x = 180
2x = 63
x = 31.5

Answer:
x = 31.5

Hope this helps.

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To increase and decrease an amount by 7%, what single multiplier would you use?

Mila [183]

We will solve the problem for both cases:

Case 1:

If the amount increases by 7% we have the number for which we are going to multiply is given by:

$x = (\frac{1}{100}) * (100 + 7)$

$x = (\frac{1}{100}) * (107)\\x = 1.07$

Case 2:

If the amount decreases by 7% we have the number for which we are going to multiply is given by:

$x = (\frac{1}{100}) * (100-7)$

$x = (\frac{1}{100}) * (93)\\x = 0.93$

Answer:

single multiplier you would use for each case is:

x = 1.07 (increase)

x = 0.93 (decrease)

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3 years ago

Mademuasel [1]

Answer:

x = 9

Step-by-step explanation:

Using the rule of exponents

$a^{m}$ × $a^{n}$ ⇔ $a^{(m+n)}$

Given

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2 years ago