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yarga [219]
3 years ago
12

20 points -simplify fully

Mathematics
2 answers:
natulia [17]3 years ago
7 0

Answer:

4√7

Step-by-step explanation:

5√7 +   √7 -  2√7

Taking out common term, √7.

= √7 ( 5 + 1 - 2)

Simplify the terms in the bracket.

= √7 (4)

= 4 √7

Dovator [93]3 years ago
7 0

Answer:

pls make this the brainliest

hope this helps

4√7

Step-by-step explanation:

5√7 +   √7 -  2√7

Taking out common term, √7.

= √7 ( 5 + 1 - 2)

Simplify the terms in the bracket.

= √7 (4)

= 4 √7

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What is -8 square root of 9 when simplified​
gregori [183]

Answer:

\large\boxed{-8\sqrt9=-24}

Step-by-step explanation:

\sqrt{a}=b\iff b^2=a\\\\\sqrt9=3\ \text{because}\ 3^2=9\\\\-8\sqrt9=-8(3)=-24

7 0
3 years ago
.12÷.6492 is what answer​
White raven [17]

Answer:

.000018484

Step-by-step explanation:

You divide them and that is what your calculator says

4 0
3 years ago
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Rob invests $3,715 in a retirement account
lions [1.4K]

Answer:

$14,048.62

Step-by-step explanation:

The interest is 9% per year and compounded 3 times a year, so each compound will be 9%/3 = 3%

The time elapsed will be 15 years and the interest compounded 3 times a year, so the number of compounds happens will be = 15 years* 3 compounds/year= 45x compound.

So basically the money will get 3% interest 45 times. To put into the compounding interest formula, the final account balance will be:

A = P (1 + [ r / n ]) ^ nt

A= amount of the balance after a period of t

P= principal, the initial money deposit( $3,715)

r= rate(9%)

n= number of compound per unit of time(3 times per year)

t= time(15 years)

The calculation will be:

A = P (1 + [ r / n ]) ^ nt

A = $3,715(\frac{1+0.09}{3} )^{3*15}

A = $14,048.62

4 0
3 years ago
The probability of a certain plant growing taller than 4 meters is 1/3. If I plant 2 of these plants, find the probability that
lana [24]
\frac{1}{3}^2\\\frac{1}{3}*\frac{1}{3}\\\frac{1}{9}

1 / 9
5 0
3 years ago
1/4 + 3 = ??<br> What’s the answer??
murzikaleks [220]

Answer:

3.25

Step-by-step explanation:

divide then add 3

5 0
3 years ago
Read 2 more answers
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