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3 years ago

DUE TOMORROW PLEASE HELP

Mathematics

1 answer:

bija089 [108]3 years ago

5 0

Answer:

This might help...

Step-by-step explanation:

To the nearest whole number, what is the percentage increase in volume? Explanation: To find the percentage difference, you merely subtract the start value from the end value and divide by the start.

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Meredith bought a book that cost 18 at a discount of 16% what did she pay for the book

s344n2d4d5 [400]

I think it is $15.12

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3 years ago

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Which of the following is the solution

Valentin [98]

The smallest the absolute value will ever be is zero so the left side won't ever be smaller than -2 so won't ever be less than -3.

D. No solution

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3 years ago

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Isabella can run 4 miles in 56 minutes. How many

Paladinen [302]

Answer:

2miles

Step-by-step explanation:

56/4=14

28/2=14

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3 years ago

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PLEASE HELP!

Oksana_A [137]

Answer:

c) A rectangle with width of 9 mm and length of 45 cm.

d) A rectangle with width of 10 cm and length of 44 cm.

Step-by-step explanation:

Given:

Length of the rectangle = 32 in.

Width of the rectangle = 8 in.

First we will find the ratio of length by width.

$\frac{length}{width}= \frac{32}{8} = \frac{4}{1} \ \ \ \ equation \ 1$

Now we need to find from the given Option which rectangles are not similar to Carl's Rectangle.

So we will check for each.

a) A rectangle with width of 23 cm and length of 92 cm.

we will find the ratio of length by width.

$\frac{length}{width}= \frac{92}{23} = \frac{4}{1} \ \ \ \ equation \ 2$

By Definition of Similar rectangles which states that;

"When ratio of the dimension of 2 corresponding rectangles are equal then the 2 rectangles are said to be similar."

Now Comparing equation 1 and equation 2 we get;

equation 1 $=$ equation 2

Hence This rectangle is similar to Carl's rectangle.

b) A rectangle with width of 2.5 inch and length of 10 inch.

we will find the ratio of length by width.

$\frac{length}{width}= \frac{10}{2.5} = \frac{4}{1} \ \ \ \ equation \ 2$

By Definition of Similar rectangles which states that;

"When ratio of the dimension of 2 corresponding rectangles are equal then the 2 rectangles are said to be similar."

Now Comparing equation 1 and equation 2 we get;

equation 1 $=$ equation 2

Hence This rectangle is similar to Carl's rectangle.

c) A rectangle with width of 9 mm and length of 45 cm.

we will find the ratio of length by width.

$\frac{length}{width}= \frac{45}{9} = \frac{5}{1} \ \ \ \ equation \ 2$

By Definition of Similar rectangles which states that;

"When ratio of the dimension of corresponding rectangles are equal then the 2 rectangles are said to be similar."

Now Comparing equation 1 and equation 2 we get;

equation 1 $\neq$ equation 2

Hence This rectangle is not similar to Carl's rectangle.

d) A rectangle with width of 10 cm and length of 44 cm.

we will find the ratio of length by width.

$\frac{length}{width}= \frac{44}{10} = \frac{11}{5} \ \ \ \ equation \ 2$

By Definition of Similar rectangles which states that;

"When ratio of the dimension of corresponding rectangles are equal then the 2 rectangles are said to be similar."

Now Comparing equation 1 and equation 2 we get;

equation 1 $\neq$ equation 2

Hence This rectangle is not similar to Carl's rectangle.

6 0

3 years ago

Define the function

miss Akunina [59]

Given that

$g(x) = x^3 + x$

the inverse $g^{-1}(x)$ is such that

$g\left(g^{-1}(x)\right) = g^{-1}(x)^3 + g^{-1}(x) = x$

$g\left(f(x)\right) = f(x)^3 + f(x) = x$

Differentiating both sides using the chain rule gives

$3f(x)^2f'(x) + f'(x) = 1 \\\\ f'(x) \left(3f(x)^2+1\right) = 1 \\\\ f'(x) = \dfrac1{3f(x)^2+1}$

Then the derivative of <em>f</em> at 2 is

$f'(2) = \dfrac1{3f(2)^2+1} = \boxed{\dfrac14}$

7 0

2 years ago