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Mrrafil [7]
2 years ago
8

Use exponents to write each expression. Then evaluate the expression. 3x3x3x3x3

Mathematics
2 answers:
REY [17]2 years ago
7 0

Answer:

243

Step-by-step explanation:

3^5=243

nalin [4]2 years ago
5 0

Step-by-step explanation:

3 to the power of 5

3^5

= 3x3x3x3x3

= 243

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X-2(x+10)=12 , -15=5(3q-10)-5q <br><br> Please Help
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Answer:

-4,3.5

Step-by-step explanation:

1st one

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Is sin A is 7/10 what is Cos A
viva [34]

Answer:

Cos A = (√51)/ 10

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sin  is opposite/hypothenuse

cos is adjacent/hypothenuse

Pythagorus theorem says that c² = a² + b²

10² = 7² + b²

b² = 100 - 49

b = ±√51

It doesn't make sense for a length to be a minus number therefore, we will use +√51.

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5 0
3 years ago
Nine yards of ribbon are cut into 8 equal pieces what is the length of each piece of ribbon. Write a division expression to repr
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Answer:

x=\frac{9}{8}\ yards

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Step-by-step explanation:

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Then:

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Now we solve the equation for x

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Divide both sides of equality by 8

\frac{8}{8}x=\frac{9}{8}\ yards

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3 years ago
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