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Airida [17]
3 years ago
10

Simplify each expression. (a2b-3/a-2b2)2 a=/0 b=/0

Mathematics
2 answers:
alisha [4.7K]3 years ago
6 0

Answer:

The answer is C.

Step-by-step explanation:

J<em>ust failed hah stream fancy</em>

Assoli18 [71]3 years ago
5 0

Answer:

Answer is a^8/b^10

Option C

Step-by-step explanation:

((a²b-³)/(a-²b²))² where b and a are not equal zero

To solve this equation we start solving the equation from inside the bracket. And for simplicity we solve the numerator and solve the denominator before dividing them with each other. Now let get started

((a²b-³)/(a-²b²))²

Recall from indices that

a ^ -b = 1/a^b

I.e b-³ = 1/b³... We will apply this here.

((a²b-³)/(a-²b²))²

=((a²* 1/b³)/(b²*1/a²))²

=((a²/b³)/(b²/a²))²

Also recall that

(a/b) / (c/d) = (a/b) * (d/c)

Therefore

=((a²/b³)/(b²/a²))²

=(a²/b³ * a²/b²)²

Recall that: a^b * a^c = a^(b+c)

= (a ^ (2+2) / b ^ (2+3))²

= (a^4/b^5)²

Recall that: (a^b)^c = a^(b+c)

Therefore:

=™(a^4/b^5)²

=(a^(4*2)/b^(5*2))

= a^8/b^10

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Naily [24]
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7 0
3 years ago
How do I solve these questions? <br> 5(1+9v)<br> 20b+12<br> -9/4r=-9/2
MatroZZZ [7]
5(1+9v) = 5+ 45v
20b+12= 4(5b+3)
And the last one is r=2
Hope this helps!
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3 years ago
Solve for j. -1j+1&gt;2<br> Please help.
prohojiy [21]
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6 0
3 years ago
According to the U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics 1,026,0
Andreyy89

Answer:

The correct option is C) 21.1 and 0.68  

Step-by-step explanation:

Consider the provided information.

The mean composite score was 21.1 with a standard deviation of 4.8. The ACT composite score ranges from 1 to 36, with higher scores indicating greater achievement in high school.

Therefore μ = 21.1 and σ = 4.8

It is given that the sample of 50 students;

Thus, sample size ( n ) = 50

According to the central limit theorem,

\mu_{\bar x}=\mu\ and \ \sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}

Therefore

\mu_{\bar x}=21.1

\sigma_{\bar x}=\frac{4.8}{\sqrt{50}}

\sigma_{\bar x}=0.68

Hence, the correct option is C) 21.1 and 0.68

7 0
3 years ago
A yellow ribbon is 56 centimeters long. It is twice as long as a green ribbon. A brown ribbon is 4 times as long as the green ri
Shkiper50 [21]

56 dived by 2 equals 28. 28=green ribbon. Brown ribbon is 4 times as long. 28 times 4 equals 112. The brown ribbon is 112 cm long.

6 0
3 years ago
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