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sladkih [1.3K]
4 years ago
5

Number 9 help brainliest

Mathematics
1 answer:
Solnce55 [7]4 years ago
7 0

Answer:

31 1/2 inches on the map

Step-by-step explanation:

The scale is 1.5 inches to 4 miles

He went 84 miles

We can use proportions to solve

1.5 inches        x inches

----------------- = ------------

4 miles               84 miles

Using cross products

1.5 * 84 = 4x

126 = 4x

Divide by 4

126/4 = 4x/4

31.5 =x

31 1/2 inches on the map

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Which statement describes the behavior of the function f(x)=3x/4-x?
Oksana_A [137]

Answer:

The  graph approaches –3 as x approaches infinity. Option a is correct.

Step-by-step explanation:

The given function is

f(x)=\frac{3x}{4-x}

We have to find value of function as x approaches infinity. Take limit both sides as x approaches to infinity.

\lim_{x\rightarrow \infty}f(x)=\lim_{x\rightarrow \infty}\frac{3x}{4-x}

Taking x common from the denominator.

\lim_{x\rightarrow \infty}f(x)=\lim_{x\rightarrow \infty}\frac{3x}{x(\frac{4}{x}-1)}

Cancel out common factor x.

\lim_{x\rightarrow \infty}f(x)=\lim_{x\rightarrow \infty}\frac{3}{\frac{4}{x}-1}

Apply limits.

\lim_{x\rightarrow \infty}f(x)=\frac{3}{\frac{4}{\infty}-1}

\lim_{x\rightarrow \infty}f(x)=\frac{3}{0-1}

\lim_{x\rightarrow \infty}f(x)=-3

Therefore the  graph approaches –3 as x approaches infinity.

7 0
4 years ago
Read 2 more answers
Solve for x: 3 − (2x − 5) < −4(x + 2)
Firdavs [7]

Answer:

A. x < -8 (first option)

Step-by-step explanation:

3 - (2x - 5) <  - 4(x + 2)

3 - 2x + 5 <  - 4x - 8

8 - 2x <  - 4x - 8

- 2x + 4x <  - 8 - 8

2x <  - 16

\boxed{\green{x <  - 8}}

6 0
3 years ago
What is the period of the function?
blsea [12.9K]

Answer:

2pi

Step-by-step explanation:

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4 years ago
Jamal pays $29.25 for 3 pounds of cocoa powder. Assume that the cost y, in dollars, is proportional to the amount of cocoa powde
sammy [17]

Answer:

Step-by-step :

Your answer

Your answer

9.75

Mark it as Brainlist answer. Follow me.

Mark it as Brainlist answer. Follow me.

3 0
3 years ago
Whets iz 1 + 1 plez shuw werk to thas problum​
professor190 [17]

Answer:

Not sure what your question is, anyways here's your answer:

1+1 = 2

7 0
3 years ago
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