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inn [45]
3 years ago
11

When multiplying with the same base, add the exponents.

Mathematics
2 answers:
NeTakaya3 years ago
8 0
False, true, true, false

1) FALSE: (4^0) automatically equals 1. 1^6 = 1

2) TRUE: A number with a negative exponent cannot be the denominator. So to make it positive, you change it to the numerator. This would make it 3^8 * 3^2 making the answer 3^10.

3) TRUE: The answer is 2^-2 which is turned into a positive by making it a denominator of a fraction.

4) FALSE: When multiplying numbers with the same power, the power stays the same. The correct answer would be 18^4.
andrew-mc [135]3 years ago
3 0

Answer:

In order: False, True, True, True

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Evaluate 3x(y+4) 3 x ( y + 4 ) when x = 2 and y = 6
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3x(y+4) 3 x ( y + 4 ); x = 2 and y = 6

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3 years ago
Are the lines y = –x – 4 and 5x -5y = 20 perpendicular? Explain.
Zarrin [17]

Answer:

yes

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes = - 1

The equation of a line in slope- intercept form is

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y = - x - 4 ← is in slope- intercept form

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- 5y = - 5x + 20 ( divide all terms by - 5 )

y = x - 4 ← in slope- intercept form

with slope m = 1

Thus product of their slopes is - 1 × 1 = - 1

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7 0
3 years ago
PLEASE GIVE A GOOD EXPLANATION FOR A FREE BRAINLIEST: 26.8 + 0.65 - 0.028 =
zmey [24]

\boxed{27.422}

We will use order of operations to add and subtract from left to right to solve this equation.

26.8 + 0.65 = 27.45

The equation now looks like:

27.45 - 0.028 = 27.422

Therefore, your answer is 27.422.

7 0
4 years ago
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