2 years ago

F(x)=x^2-x^3 Select the value of f(-2) A -4 B 4 C -12 D 12

Mathematics

1 answer:

Ksenya-84 [330]2 years ago

3 0

Answer:

so the answer would be -12 you got to make sure you look at the value of it

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The ratio of two side lengths for the triangle is given. What is the value of “q” AB:BC is 3:4

Vera_Pavlovna [14]

Answer:

$q=8.5$

Step-by-step explanation:

The ratio of the side lengths (AB) and (BC) is given. One is also given an expression for the side lengths of each of these sides. Set up a proportion to describe this scenario, then solve using cross products;

$\frac{AB}{BC}=\frac{3}{4}$

Substitute,

$\frac{60}{10q+15}=\frac{3}{4}$

Cross products,

$\frac{60}{10q+15}=\frac{3}{4}$

$(60)(4)=(10q+15)(3)\\\\240=30q+45$

Inverse operations,

$240=30q+45\\\\195=30q\\\\8.5=q$

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2 years ago

Jenny walked 2.5 miles in 50 minutes . At this rate , how many minutes did it take her to walk 1 mile ?

Harlamova29_29 [7]

For this question, let's use algebra!

<u>2.5 miles</u> = <u>50 minutes</u>
1 mile x minutes

x minutes = 50 x 1 ÷ 2.5
x minutes = 20

Hope this helps!

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3 years ago

Read 2 more answers

What is an equation in point-slope form of the line that passes through the point (4,4) and has a slope of -5?

Nastasia [14]

(y - 4) = -5 (x - 4)

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3 years ago

Is 1/2 equivalent to 2/4

mina [271]

Yes it is because 1/4 + 1/4 =2/4 and 2/4 equals 1/2

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