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2 years ago

2x minus negative 4x

Mathematics

2 answers:

Alex2 years ago

5 0

The Answer Is 6x
Hope This Helps

Dima020 [189]2 years ago

4 0

6x is your answer :)

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If f(x) = 3x^0 - 2x^-1 +4 then f(2)=

Assoli18 [71]

Answer:

try this link

Step-by-step explanation:

https://www3.nd.edu › WorkPDF

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MATH 10550, EXAM 1 SOLUTIONS 1. If f(2) = 5, f(3) = 2, f(4) = 5, g(2 ...

6 0

3 years ago

$12,800 at 12% for 3 years find the total amount ?

HACTEHA [7]

Answer:

so first you do

12800*.12 which is 1536

so $1536 for 1 year

for 3 years multiply it by 3

1536*3=

$4608

so 4608+12800 =

17408 is totall

Mark brainliest

5 0

3 years ago

Read 2 more answers

Chris is twice as old as Don, and next year the sum of their ages will be four times as much as Don’s age last year. Find their

RUDIKE [14]

Don's present age: 6
Chris's present age: 12

5 0

3 years ago

Five spheres are being painted for a display at a store. If the diameter of each sphere is

ivanzaharov [21]

<h2>Hello!</h2>

The answer is:

The total area is:

$TotalArea=192.4cm^{2}$

To find the cloasest value to the total surface area that will be painted, we need to calculate the area of a single sphere, and then, multiply it by 5.

We know that the diameter of each sphere is 7 centimeters, so, calculating we have:

Calculating the radius we have,

$diameter=2*radius\\\\radius=\frac{diameter}{2}=\frac{7cm}{2}=3.5cm$

Then, calculating the area, we have:

$Area=\pi radius^{2}$

$Area=\pi 3.5cm^{2}=38.49cm^{2}$

Now that we have calculated the surface area of a single sphere, we need to calculate the area of the five spheres.

So, calculating we have:

$TotalArea=5*38.48cm^{2}=192.4cm^{2}$

Hence, the total area is:

$TotalArea=192.4cm^{2}$

Have a nice day!

4 0

3 years ago

F(x)=(5x+3)(x−2)(3x+7)(x+5) has zeros at x = -5, x = -7/3, x = 2

musickatia [10]

The sign of f on the interval -7/3 < x < -3/5 is always positive.

<h3>How to solve for the sign on the interval</h3>

We have the equation

(5x+3)(x−2)(3x+7)(x+5) > 0

Now when f(x) > 0

Then -7/3 < x < -3/5

This would tell us that the sign would become positive when it changes from the less than to greater than sign

<h3>Complete Question</h3>

f(x)=(5x+3)(x-2)(3x+7)(x+5) has zeros at x=-5, x=-7/3, x=-3/5, and x=2

What is the sign of f on the interval -7/3<x<-3/5?

answer choices

f is always positive on the interval

f is always negative on the interval

f is sometimes positive and sometimes negative on the interval

f is never positive or negative on the interval