2 years ago

Write the English phrase as an algebraic expression. Then simplify the expression. Let x represent the number.

Mathematics

1 answer:

max2010maxim [7]2 years ago

3 0

7(-6x)

its been a long time since ive done something like this lol

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Fynjy0 [20]

Step-by-step explanation:

Volume of cylinder: πr²h

= π(6)² x 15

= 36π x 15

= 1620 cm³

Answer: A

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3 years ago

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Donnie's dad is 3 times older than Donnie, and the sum of their ages is no less than 56. What is the youngest that Donnie can be

Gala2k [10]

Answer:

Step-by-step explanation:

If Donnie is 3 times younger than Donnie's dad, that adds up to four parts. In other words, Donnie is 1/4 his dads age. So, divide 56 by four and you have Donnie's age. The rest is Donnie's dad age.

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Find the length and width of a rectangle that has the given area and a minimum perimeter. area: a square centimeters

tresset_1 [31]

There isn't enough information to answer this, what is the given area or perimeter?

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2 years ago

Let f(x)=−12(x+2)2+5 . What is the average rate of change for the quadratic function from x=−3 to x = 1?

aev [14]

Answer:

Average rate of change = -6

Step-by-step explanation:

The average rate of change over the interval (a,b) is given by;

[ f(b) - f(a)] / (b-a)........................where interval is (a,b)

(a,b) interval =(-3,1)

Where;

f(x)= -12 (x+2)² +5

$f(a)=f(-3)=-12(-3+2)^2+5\\f(a)=f(-3)=-12(-1)^2+5\\f(a)=f(-3)=-12(1)+5\\=-12+5=-7\\\\\\f(b)=f(1)=-12(1+2)+5\\f(b)=f(1)=-12(3)+5\\=-36+5=-31\\\\f(b)-f(a)=-31--7=-24\\\\b-a=1--3=4\\\\f(b)-f(a)/b-a=\frac{-24}{4} =-6$

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2 years ago

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timofeeve [1]

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