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-Dominant- [34]
4 years ago
11

Which expressions are equivalent to 7^-2 * 7^6

Mathematics
1 answer:
lidiya [134]4 years ago
7 0

Answer:

A and D

Step-by-step explanation:

In the attached file

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Step-by-step explanation:

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3 years ago
Which of these polynomial equations is of least degree and has -1, 2, and 4 as three of its roots?
kvasek [131]

Answer:

x^3 - 5 x^2 + 2 x + 8 = 0

Step-by-step explanation:

Solve for x over the real numbers:

x^3 - 5 x^2 + 2 x + 8 = 0

The left hand side factors into a product with three terms:

(x - 4) (x - 2) (x + 1) = 0

Split into three equations:

x - 4 = 0 or x - 2 = 0 or x + 1 = 0

Add 4 to both sides:

x = 4 or x - 2 = 0 or x + 1 = 0

Add 2 to both sides:

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Subtract 1 from both sides:

Answer: x = 4 or x = 2 or x = -1

6 0
3 years ago
Read 2 more answers
If 2x+3+7×=-24 what is the value of x
neonofarm [45]

Answer: x = -3

Step-by-step explanation:

2x + 7x = 9x

9x + 3 -24

- 3

9x = -27

divide by 9

-3 = x

4 0
4 years ago
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What is the rule for 5,10,20,40,80
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The rule is that after the first term, every term after that is made out of
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4 years ago
What is the absolute value of 9.8 and
Citrus2011 [14]
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7 0
3 years ago
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