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4 years ago

F(x)=−x2−3x+2, evaluate the function at f(−1)

Mathematics

1 answer:

aivan3 [116]4 years ago

7 0

Answer:

Step-by-step explanation:

f(-1)=-1*(-1)*2-3*(-1)+2 → f(-1)=2+3+2 → f(-1)=7

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The Pythagorean Theorem is an equation that helps you to find the lengths of a right triangle. The legs are given as a and b whi

Molodets [167]

Replace a with the length of the given leg and c with the length of the hypotenuse and solve for b:

7^2 + b^2 = 25^2

Simplify"

49 + b^2 = 625

Subtract 49 from each side:

b^2 = 625 - 49

b^2 = 576

Take the square root of both sides to solve for b:

b = √576

b = 24

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4 years ago

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3 years ago

Read 2 more answers

− 8 + n + 6 = 5 − 2(− 2n + 2)

Alex_Xolod [135]

Answer:

N=-1

N=-1 is the answer

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3 years ago

What is the scale on a map or drawing used for

ivanzaharov [21]

Answer:

cm scale

Step-by-step explanation:

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3 years ago

Answer:

tekilochka [14]

Answer:

Grapes 12 lbs

Apples 20 lbs

Oranges 6 lbs

Cantaloupe 15 lbs

Peaches 15 lbs.

Step-by-step explanation:

Sammy has bought 12 lbs of Grapes.

Now, weight ration of Apples to Grapes is 5 : 3

Therefore, he bought Apples of $\frac{12 \times 5}{3} =20$ lbs

The wight ration of Grapes to Oranges is 4 : 2

Therefore, he bought Oranges of $\frac{12 \times 2}{4} =6$ lbs

Again, the weight ratio of Cantaloupe to Apples is 3 : 4

Therefore, he bought Cantaloupe of $\frac{20 \times 3}{4} =15$ lbs

Finally the weight ratio of Oranges to Peaches is 2 : 5

Therefore, he bought Peaches of $\frac{6 \times 5}{2} =15$ lbs

(Answer)

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3 years ago