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2 years ago

Help please I need to get this done

Mathematics

1 answer:

Dima020 [189]2 years ago

8 0

Answer:

8:9

Step-by-step explanation:

Divide 16 by 2 ( the amount of dollars) to get 8.

Same for the other.

9 / 1 = 9

Put them in a ratio.

8:9

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Bottled apple juice is sold in four different sizes. Which is the best buy?

TiliK225 [7]

Answer:

A. 0.25 (rounded)

B. 0.19 (rounded)

C. 0.17 (rounded)

D. 0.17 (rounded)

Step-by-step explanation:

Hope that helped!

7 0

2 years ago

What is the slope of the line that passes through the points (-2,3) and (-14, -5)?

TEA [102]

Slope = 2/3 (positive 2/3)
You use the formula Y2-Y1/X2-X1 in order to get the slope

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2 years ago

What is the dimensions of a box that is 11 lnches long 8 lnches wide and 6 in high

Sergio039 [100]

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3 years ago

What is f–1(8)??<br><br> Please select the best answer

notka56 [123]

Answer:

$f^{-1}(8)=\frac{3}{2}$

Step-by-step explanation:

Given f(x)= $2x+5$

We have to find $f^{-1}(8)$

In order to find $f^{-1}(x)$ we have to make x as the subject of the formula

Let us assume f(x)=y

⇒ $2x+5=y$

Subtracting both sides by 5

$2x+5-5=y-5$

$2x=y-5$

Dividing both sides by 2

$\frac{2x}{2}=\frac{y-5}{2}$

⇒ $x=\frac{y-5}{2}$

Now substituting y with x

we have $f^{-1}(x)=\frac{x-5}{2}$

Now $f^{-1}(8)=\frac{8-5}{2}$

= $\frac{3}{2}$

So option (ii) is correct

5 0

2 years ago

Read 2 more answers

Which best explains why 5 x 4 is greater than 5 x 1/4 ?

zmey [24]

Because one is put into fraction form. Therefore the one in fraction form is going to be smaller. 5*4=20 and 5*1/4=1.25. I hope my answer helped you.

3 0

3 years ago