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3 years ago

??????????????????FAST HELP PLZ

Mathematics

1 answer:

Irina18 [472]3 years ago

8 0

Answer:

$y = \frac{2}{3} x - 2 \\$

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How do i do these using the following functions

attashe74 [19]

Step-by-step explanation:

(f+g)(x) means f(x) + g(x).

(f−g)(x) means f(x) − g(x).

So all you have to do is add them and subtract them.

1. (f+g)(x) = f(x) + g(x)

(f+g)(x) = (3x − 7) + (2x − 4)

(f+g)(x) = 5x − 11

2. (f−g)(x) = f(x) − g(x)

(f−g)(x) = (3x − 7) − (2x − 4)

(f−g)(x) = 3x − 7 − 2x + 4

(f−g)(x) = x − 3

3. (f+g)(x) = f(x) + g(x)

(f+g)(x) = (2x + 3) + (x² + ½ x − 7)

(f+g)(x) = x² + 2½ x − 4

4. (f−g)(x) = f(x) − g(x)

(f−g)(x) = (2x + 3) − (x² + ½ x − 7)

(f−g)(x) = 2x + 3 − x² − ½ x + 7

(f−g)(x) = -x² + 1½ x + 10

6 0

3 years ago

(Pts: 1) Please help me! Question is in attachment!

Sloan [31]

- - Solve:

To find the volume of a sphere:
$\frac{4}{3} *3.14*R^3$

3.14≈π

Now since its telling us to use π, then we do our formula by multiplying by π.

π=3.14 (Approximate amount)

So:

$4/3*3.14*9^3=3052.08$

So you are correct.

When Radius=9, you plug in for R. :)

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3 years ago

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Y=2x+1 when x increases by 5,y increases by

Dmitriy789 [7]

Answer:

Step-by-step explanation:

say x=0

then y would be 1

increasing x by 5 makes x=5

and then 5 x 2 + 1=11

so y went from 1-11(difference of 10) with the variation

so the answer is 10

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2 years ago

A net of a storage trunk is shown. Which is the trunk's surface area?

Readme [11.4K]

3,680 sq. in.

(36*20)*4= 2880
(20*20)*2= 800

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2 years ago

The probability Jake will arrive at school on time is<br> 0.87. What is the complement of this?

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Answer:sorry need some points for help

Sorry so sorry

Step-by-step explanation:

Sorry

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3 years ago

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