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KIM [24]
2 years ago
7

Given f(x) = 2x2 - 4, what is f(3)

Mathematics
2 answers:
morpeh [17]2 years ago
5 0

Answer:

14

Step-by-step explanation:

just plug in 3 for x

2*3^2-4 = 18-4 = 14

IgorC [24]2 years ago
4 0

Answer:

x=3f/2+1 sorry if thats not right because i don't know if it's a positive or negative there

Step-by-step explanation:

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4(1+ 2y) = 12y. Solve for y.​
Alja [10]

Answer:

y=1

Step-by-step explanation:

4(1+2y)=12y

4*1 + 4*2y=12y

4 + 8y=12y

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1=y

8 0
2 years ago
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Lisa's test grades are 79, 89 and 90
Vaselesa [24]

Answer:

<u>94</u>

Step-by-step explanation:

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2 years ago
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Answer:

<em>615.44m²</em>

Step-by-step explanation:

The base of the silo is a circle

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Area of the base of the silo = 615.44

<em>Hence the area of the base of the silo is 615.44m²</em>

3 0
3 years ago
There are 80 sixth graders, 90 seventh graders, and 70 eighth graders at your school. Every student gets entered in a raffle. Wh
Effectus [21]
The answer is a <span>42.857% chance which is 3/8

I'm glad to help, I hope this was helpful </span>
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3 years ago
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