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Katarina [22]
3 years ago
8

What is the value of b in the equation below? 9^-8 x 9^-2 = a^b

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0

Answer:

b= -10

Step-by-step explanation:

9^ -8  * 9^ -2

We know that a^b * a^c = a^ (b+c)

9^ (-8+-2)

9^ -10

We want it in the form a^b

a=9

b= -10

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3 years ago
1/2,1/3,1/8 find the sum
Zarrin [17]

Answer:

23/24

Step-by-step explanation:

To find the sum you must ad.

Fractions can only be added and subtracted when the denominators (the bottom numbers) are the same.

24 is the smallest number that 2, 3 and 8 go into.

1/2 = 12/24, 1/3 = 8/24, 1/8 = 3/24

\frac{12}{24} + \frac{8}{24} + \frac{3}{24} = \frac{23}{24}

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4 0
3 years ago
What is the exponent of x in in the expression -4x^3y^2 + 6
liberstina [14]

Answer:

3

Step-by-step explanation:

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4 0
2 years ago
Who is correct between the two of them?
deff fn [24]

Answer:

Neither.

Step-by-step explanation:

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3 0
3 years ago
A polynomial has been factored, as shown below: f(x) = (x − 6)(x + 5)(x − 9) What are the zeros of the polynomial? (5 points)
soldi70 [24.7K]

<span>x=6</span>, <span>x=−5</span> or <span>x=9</span>

Explanation:

<span><span>f<span>(x)</span></span>=<span>(x−6)</span><span>(x+5)</span><span>(x−9)</span></span>

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If any of the linear factors is zero, then so is their product <span>f<span>(x)</span></span>.

5 0
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