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malfutka [58]
3 years ago
9

If f(x) =3x^2 + 1 and g(x)=1-x

Mathematics
2 answers:
motikmotik3 years ago
8 0

Answer: f  ( 1 − x ) = 3 x 2 − 6 x + 4

Your WElcome

kodGreya [7K]3 years ago
3 0

Answer:

4

Step-by-step explanation:

f(1)= 3(1)^2+1 = 4

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ILL MARK BRAINLIEST HELP!!!!
stepan [7]

Answer:

30

Step-by-step explanation:

let EFH = x

Let GFH = y

x + y = 90

x = 2y

Substitute: 2y + y = 90

3y = 90

y = 30

5 0
3 years ago
Simplify (-8z+4) + (7z-7)
Karo-lina-s [1.5K]

Answer:

1. -1z-3

2. 4x+2

3. -y+11

4. 7a-22

Step-by-step explanation:

Not too sure about the last one

5 0
3 years ago
Mrs. Peters is buying sets of block's. Four out of every 50 blocks are red.if she buys 275 how many will be red?
vfiekz [6]

Answer:

Step-by-step explanation:

theres 4reds every 50 so do 50x4 then you times that by four 50x4=200 so do 200x4=800

4 0
3 years ago
Which properties are used to simplify 4/5y+3(2/5x+7/5y) to 5y+6/5x
SSSSS [86.1K]
4/5y + 3(2/5x + 7/5y)...distribute thru the parenthesis
4/5y + 6/5x + 21/5y ...combine like terms
25/5y + 6/5x.....reduce
5y + 6/5x
8 0
3 years ago
Chris has been hired to assess a new version of a college entrance exam. He randomly assigns 100 high school juniors to take the
balu736 [363]

Answer:

Internal validity

Step-by-step explanation:

The internal validity here is weak

Internal validity describes the extent to which an evidence weighs the cause and effect claim. In this study, the internal validity that brought about failure in the new exam is mainly due to the environment where the exam was written and not the new exam itself.

So this validity is weak in claiming that the new exam is not a good substitute for the old exam.

Putting them in the same good environment might help the researchers to draw a better conclusion.

7 0
3 years ago
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