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FrozenT [24]
3 years ago
5

Could you help me and answer a couple questions for me?

Mathematics
1 answer:
kari74 [83]3 years ago
5 0

Answer:

I think no. <em>D</em> is the answer

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Use f (x)=7 and g (x)=x+5 to evaluate (f+g)(3)=
dangina [55]
(f+g)(3)=f(3)+g(3)

f(x)=7 so f(3)=7
g(x)=x+5 so g(3)=3+5=8

(f+g)(3)=f(3)+g(3)=7+8=15
4 0
3 years ago
There were two containers of oil. There was twice as much oil in the second container as in the first one. After using 13 liters
Iteru [2.4K]

Answer:

48 liters

Step-by-step explanation:

First container = x

Second container has twice as much oil.

Second container = 2x

13 liters of oil was used from first container.

x - 13

7 liters of oil was used from the second container.

2x - 7

Second container has 3 times more oil than the first one.

2x - 7 = 3(x - 13)

x - 7 = 3(x - 13)

x - 7 = 3x - 39

2x = 32

x = 16

First container = 16 liters

second container = 16 x 2 = 32 liters

Total = 16 + 32 = 48 liters

3 0
3 years ago
Read 2 more answers
Kristina wants to buy a flute that costs 240 . She has saved 20 each week for 3 weeks . How many more weeks does Kristina need t
Burka [1]
Answer:

9 more weeks

Explanation:

She already saved 20(3)=60

240=60+20(x)
X=9
She needs 9 more weeks
7 0
3 years ago
Quadrilateral ABCD is rotated 90° clockwise about the origin. What are the
Sati [7]
A.A’(5,-5),B’(1,-5),C’(1,-2)
4 0
3 years ago
The coach of a baseball team counts
klemol [59]

Answer:

No

Step-by-step explanation:

He is An Idiot

3 0
3 years ago
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