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2 years ago

Complete he statement below. Then use a number line to find the sum 5 + ( -4 )

Mathematics

1 answer:

skad [1K]2 years ago

7 0

Answer:

The statement is 6 in the negative direction

5 + (-4) = 1

Step-by-step explanation:

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What number is 74% of 45

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3 years ago

Read 2 more answers

For the function f(x)

WITCHER [35]

Given:

The function is

$f(x)=\dfrac{8\sqrt[3]{x}-8}{9}$

To find:

The inverse function $f^{-1}(x)$ .

Solution:

We have,

$f(x)=\dfrac{8\sqrt[3]{x}-8}{9}$

Step 1: Putting f(x)=y, we get

$y=\dfrac{8\sqrt[3]{x}-8}{9}$

Step 2: Interchange x and y.

$x=\dfrac{8\sqrt[3]{y}-8}{9}$

Step 3: Isolate variable y.

$9x=8\sqrt[3]{y}-8$

$9x+8=8\sqrt[3]{y}$

$\dfrac{9x+8}{8}=\sqrt[3]{y}$

Taking cube on both sides, we get

$\left(\dfrac{9x+8}{8}\right)^3=y$

$y=\left(\dfrac{9x+8}{8}\right)^3$

Step 4: Putting $y=f^{-1}(x)$ , we get

$f^{-1}(x)=\left(\dfrac{9x+8}{8}\right)^3$

Therefore, the correct option is C.

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2 years ago

A farmer wants to build a rectangular garden 10ft long and 6ft wide. How many feet of fencing should he buy?

Lana71 [14]

He should buy 32 feet of fencing. I got 32 by just finding the perimeter or in other words adding 10+10+6+6 which equal 32. You would NOT do area or 10×6 because that would include that land within the fenced area and who wants 60 feet of fencing that you can't put anything in?

Good luck, hope that helped.

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2 years ago

Cedric and Insha solved the same equation using the calculations below.

Mariulka [41]

The first working out is correct, z = 3

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