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2 years ago

Select the correct answer. What is the y-intercept of f(x) = 3x+2?

Mathematics

2 answers:

Brums [2.3K]2 years ago

5 0

Answer:

y- intercept = 3

Step-by-step explanation:

to find the y- intercept, let x = 0 in f(x) , that is

f(0) = $3^{0}$ + 2 = 1 + 2 = 3

pashok25 [27]2 years ago

3 0

Answer:

The y-intercept is (0, 3)

<em>they typed the equation wrong so that's why it's (0, 3)</em>

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2 years ago

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padilas [110]

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Step-by-step explanation:

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3 years ago

In a race from point X to point Y and back, Jack averages 30 miles per hour to point Y and 10 miles per hour back to point X. Sa

svlad2 [7]

Answer:

Sandy will finish the race first.

Step-by-step explanation:

Let D be the total one sided distance in miles, ( between X and Y ),

We know that,

$Speed =\frac{Distance}{Time}$

$\implies Time =\frac{Distance}{Speed}$

Since, from point X to point Y and back, Jack averages 30 miles per hour to point Y and 10 miles per hour back to point X.

So, the total time taken by Jack = $\frac{D}{30}+\frac{D}{10}$

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$=\frac{4D}{30}$

$=0.1333D$

Also, Sandy averages 20 miles per hour in both directions,

So, the total time taken by Sandy = $\frac{D}{20}+\frac{D}{20}$

$=\frac{D+D}{20}$

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$=\frac{D}{10}$

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Hence, Sandy will finish the race first.

3 0

3 years ago

Write an equation to solve the problem.

salantis [7]

Answer:

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Step-by-step explanation:

This equation can be solved as follows:

5 + 2m = 23

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3 years ago

MATHEMATICAL CONNECTIONS The value of the surface area of the cylinder is equal to the value of the volume of the cylinder. Find

loris [4]

Given :

The value of the surface area of the cylinder is equal to the value of the volume of the cylinder.

To Find :

The relation between height and radius.

Solution :

$S.A=2\pi rh+2\pi r^2=2\pi r(h+r)$

$V=\pi r^2h$

Now ,

$S.A=V\\\\2\pi r(h+r)=\pi r^2h\\\\2(h+r)=rh\\\\2h+2r=rh\\\\h(2-r)=-2r\\\\h=\dfrac{2r}{r-2}$

Hence, this is the required solution.

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2 years ago