2 years ago

Help please it due at 8

Mathematics

1 answer:

umka2103 [35]2 years ago

8 0

I need help my self lol XD sorryyyyyyyyy88898

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Let f(x)=x^2-5x+8 and g(x)=x^2-4 (f-g)(x)=

Bogdan [553]

What you do here is subtract g from f: x^2 - 5x + 8 - (x^2 -4); x^2 - 5x + 8 - x^2 + 4; Rearranging gives you x^2 - x^2 - 5x + 8 + 4 which is, simplified, -5x + 12

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3 years ago

Which one is equivalent

Elza [17]

The answer would be C) 2x + 10.

Expand ( -3x + 5x + 10 )

Simplify ( 2x + 10 ).

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Simplify the sum.<br> (4u3 + 4u2 + 2) + (6u3 – 2u + 8)

Elan Coil [88]

Answer:

$10u^{3}+4u^{2}-2u+10$ or $2(5u^{3}+2u^{2}-u+5)$

Step-by-step explanation:

we have

$(4u^{3}+4u^{2} +2)+(6u^{3}-2u+8)$

step 1

Group terms that contain the same variable

$(4u^{3}+6u^{3})+(4u^{2})+(-2u)+(2+8)$

step 2

Combine like terms

$(10u^{3})+(4u^{2})+(-2u)+(10)$

step 3

Eliminate parenthesis

$10u^{3}+4u^{2}-2u+10$

step 4

Factor the number $2$

$2(5u^{3}+2u^{2}-u+5)$

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3 years ago

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How to use 22/7 for pi

V125BC [204]

Your teacher just wants you to replace pi any equations with 22/7 because it is close to pi

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3 years ago

Some researchers are interested in the GPA difference between freshmen and sophomores. The distributionsof GPAs in both groups a

Sonja [21]

Answer and Step-by-step explanation:

expected value for the diﬀerence in sample means=3.5-3.2=0.3

standard deviation of the sampling distribution of the diﬀerence in sample means

=sqrt((0.5^2/40)+(0.8^2/40))

=0.1492

z=(0.3-0)/0.1492

z=2.01

P(z>2.01)=0.0222

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4 years ago

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