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2 years ago

Write an expression, using an exponent, that is equivalent 9×9×9×9×9×9×9.

Mathematics

2 answers:

Tasya [4]2 years ago

8 0

Answer:

The answer is 9 with an exponent of 7( sorry I don't know how to get an exponent after a number)

Step-by-step explanation:

Because, it is 9, 7 times..

uranmaximum [27]2 years ago

4 0

The answer would he 98

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The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?

aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = $\frac{4}{3}\pi \ cm^3$

Let,

diameter = d

As we know,

Volume of sphere = $\frac{4}{3}\pi \ r^3$

Therefore,

$\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1$

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

#LearnwithBrainly

3 0

3 years ago

Simplify <br>28y=12x+84<br>I don't know this

irina1246 [14]

Divide everything by 4 getting:
7y=3x+21
then get all of the variables on one side by subtracting 3x:
7y-3x=21

7 0

3 years ago

I think of a number, then divide by 5, then subtract 78 -the result is nine

KATRIN_1 [288]

Answer:

Imagine that the number that we are looking for is x

We know that:

x/5 - 78 = 9

x/5 = 9 + 78

x/5 = 87

x = 87 . 5 = 435

So the number we need is 435

8 0

3 years ago

For triangle S F C, angle S is 90 degrees, angle F is 49 degrees, and angle C is 41 degrees. For triangle Z P K, angle Z is 41 d

leva [86]

Answer:

I'm pretty sure he or she are right^^idk

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Someone please help me I’m actually struggling so much rn.

alexandr1967 [171]

Answer:

Step-by-step explanation:

okay don't feel bad, you actually got it right, let me help you with some holes!

You calculate slope by the rise over run. These people are confusing you a bit - do problem 2 then 1

the vertical change is -1 horizontal change is 3 so by rise/run=-1/3

-1/3 is the slope

for the second problem this is confusing but just read and try to analyze

vertical change/horizontal change = 5-4/0-3= 1/-3(or -1/3)

The y intercept is the point where the line hits the y axis, so at point (0, 5)

The function is y=mx+b

m is the slope

b is the y intercept

so y=-1/3x+5

7 0

3 years ago