3 years ago

The number s is one third the number t. Which number sentence shows the relationship between s and t?

Mathematics

1 answer:

Mashcka [7]3 years ago

8 0

S= 1/3t (T is one third of s)

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The slope of the line below is 2. Which of the following is the the point-slope form of the line?

Jobisdone [24]

Answer: y + 1 = 2 (x -1)

Step-by-step explanation:

Point slope form is:

y - y1 = m (x - x1)

Point on the line is (1, -1) and slope is 2

m = 2

y1 = -1

x1 = 1

y - (-1) = 2 (x - 1) or y + 1 = 2 (x -1)

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2 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

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faust18 [17]

The answer is (-4, 5).

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2 years ago

How to write 0.875 as a fraction in simplest form

Over [174]

Now, lets first know this:-

0.875 = 875/1000

Lets simplify this:-

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Answer: 7/8

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lora16 [44]

Answer:

I don't know if this is right but

Tip Total: $ 12

Total (Bill + Tip): $ 92

Sorry if this is wrong

Step-by-step explanation:

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3 years ago

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