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s2008m [1.1K]
2 years ago
7

I really need this answer plss

Mathematics
1 answer:
insens350 [35]2 years ago
4 0

Answer:

No No No No No No No No No No No No No

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The radius AND height of a cylinder are each doubled. What is the new volume?
Naya [18.7K]

The volume of a cylinder is given by

V = \pi hr^2

Let h\mapsto 2h and r\mapsto 2r

The new volume becomes

V = \pi(2h)(2r)^2 = \pi\cdot 2h \cdot 4r^2 = 8\pi hr^2

So, the new volume is 8 times the original volume. In fact, volume scales linearly with the height and quadratically with the radius.

7 0
3 years ago
When testing for differences between treatment means, a confidence interval is computed with __________________?
KIM [24]
The confidence interval is based on mean square error. T<span>he </span>mean squared error<span> (</span>MSE<span>) </span><span>of an </span>estimator<span> measures the </span>average<span> of the squares of the </span>errors<span> or </span>deviations.<span> MSE is calculated by the formula attached in the picture, where Xbar is a vector of predictions, X is the vector of predicted values. </span>

5 0
2 years ago
Find function inverse of f? F(x)=x+2/7
nignag [31]

Answer:

f’(x) = x -2/7

Step-by-step explanation:

Let f(x)= y

Thus;

y = x + 2/7

x = y-2/7

So the inverse f’(x) = x - 2/7

6 0
3 years ago
The Robot Factory is a learning center where children can build robots. The project fee per visit is $18, and each hour of time
ipn [44]
The answer is 2 and a half. Because 18 + 6 + 6 + 3 is 33. This is because $18 to get in then $6 for one hour another $6 for an hour and $3 for an half hour.
5 0
3 years ago
the table shows the number of cars washed and the amount earned by the car wash over several days. circle the number or term tha
TEA [102]

The first 3 rows are proportional

because when you divide the earning by car washed they all have the same unit rate of 9.5/ to answer the second part you multiply 9.5 by 88. you'll get $836

5 0
3 years ago
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