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3 years ago

Use 3.14 for and round your final answer

Mathematics

1 answer:

Amanda [17]3 years ago

7 0

This is your equation $V = \frac{4}{3} * \pi * 8 ^{3}$

4/3 x 3.14 x 8 ^{3}
4/3 x 3.14 x 512
4/3 x 1607.68
2143.57 (I also got 2144.66 if the first one doesn't work)

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Which graph shows the image of the triangle reflected across the line of reflection shown I can’t post the choices but if you’ve

Naya [18.7K]

Answer:

Here we have to find the distance of the points from the mirror, and then plot it on the other side of the mirror.

Step-by-step explanation:

⇒Here the x-coordinate will not change

the point(4,2)is one unit far from the mirror. then we will plot it on the other side of the mirror which is (4,4)

we will do same with the other two points.

here are the changes:

(4,2)⇒(4,4)

(2,4)⇒(2,2)

(9,6)⇒(9,0)

then join the new points.

Hope it helps!

8 1

4 years ago

Is the output for this correct? (See full pic)

Burka [1]

It is correct if you're trying to add 0 for the first one
1 for the second one
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4 0

3 years ago

Read 2 more answers

I am a composite number that is between 10 and 20. I am even. I am <br> square. What number am I?

bonufazy [111]

There is only one square number lies between 10 and 20 i.e 16.
16 is also even
16=4^2
Hence 16 is you

3 0

3 years ago

Read 2 more answers

Cristiano is saving money to buy a bike that costs $189, He saved $99 so far. He plans on saving $10 each week. In how many week

yuradex [85]

Answer:

Cristiano will have enough money to buy bike in 9 weeks.

Step-by-step explanation:

Given:

Cost of the bike = $189

Money saved = $99

Money saving each week = $10

We need to find the number of weeks will he have money to buy bike.

Solution:

Let the number of weeks be 'x'.

Now we can say that;

Money saved plus money saving each week multiplied by number of weeks is equal to cost of the bike.

framing in equation form we get;

$99+10x=189$

Subtracting both side by 99 using subtraction property of equality we get;

$99+10x-99=189-99\\\\10x=90$

Dividing both side by 10 using division property of equality we get;

$\frac{10x}{10}=\frac{90}{10}\\\\x=9\ weeks$

Hence Cristiano will have enough money to buy bike in 9 weeks.

7 0

4 years ago

Matilda was curious if sample interquartile range (IQR) was an unbiased estimator of population IQR. She placed ping pong balls

Amiraneli [1.4K]

Answer: Sample IQR appears to be a biased estimator since it consistently underestimated the population IQR.

Step-by-step explanation: Checked by Khan Academy

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3 years ago