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Kay [80]
3 years ago
13

I need help please can someone help me !!!!!!

Mathematics
1 answer:
Valentin [98]3 years ago
7 0
What are you trying to find? Area, Volume, Circumference, or perimeter?
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Calculus help! Using the mean value theorem!
marta [7]
f is differentiable across its domain, so the MVT says there is some value of c in the open interval (a,b) such that

f'(c)=\dfrac{f(b)-f(a)}{b-a}

You have

f(x)=Ax^2+Bx+C\implies f'(x)=2Ax+B

so the equation above becomes

2Ac+B=\dfrac{(Ab^2+Bb+C)-(Aa^2+Ba+C)}{b-a}

Solve for c.

2Ac+B=\dfrac{A(b^2-a^2)+B(b-a)}{b-a}
2Ac+B=A(b+a)+B
2Ac=A(b+a)
c=\dfrac{b+a}2

so c is indeed the average of the endpoints, i.e. the midpoint.
8 0
3 years ago
At piggys pizza, a giant pizza is 18 inches in diameter. What is the area of this pizza? Round your answer to the nearest tenth
ArbitrLikvidat [17]
254.5 inches cause its pi times radius squared 
7 0
3 years ago
34 feet converted to yards and feet
Julli [10]

Answer:

11 yards and 1 foot

Step-by-step explanation:

34 divided by 3

4 0
3 years ago
Read 2 more answers
A ticket to a concert costs $27.That is 3 times as much as a ticket to a movie.
anyanavicka [17]

Answer:

$9.00

Step-by-step explanation:

27 divided by 3 = 9

6 0
3 years ago
Read 2 more answers
Solve the equation.
Nutka1998 [239]

Answer:

C

Step-by-step explanation:

In this technique, if we have to factorise an expression like ax2+bx+c, we need to think of 2 numbers such that:

N1⋅N2=a⋅c=1⋅−12=−12

AND

N1+N2=b=−1

After trying out a few numbers we get N1=3 and N2=−4

3⋅−4=−12, and 3+(−4)=−1

x2−x−12=x2−4x+3x−12

x(x−4)+3(x−4)=0

(x+3)(x−4)=0

Now we equate the factors to zero.

x+3=0,x=−3

x−4=0,x=4

3 0
3 years ago
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