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Elza [17]
3 years ago
8

QUICK HELP MATH ASSESSMENT!!!

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

4x^{2} - 16x - 16

Step-by-step explanation:

f(x) = ax^{2} + bx + c

f(x) = 4(x - 2)^{2}

(x - 2) (x - 2)

x^{2} - 2x - 2x - 4

x^{2} - 4x - 4

f(x) = 4(x^{2} - 4x - 4)

4x^{2} - 16x - 16

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Darcy gave her hairstylist a $ 4.90 The tip was 14​% of the cost of the haircut . Write an equation to find​ b, the cost of the
melamori03 [73]

Answer:

Equation: 4.90/b = 14/100

Solution: b = $35

Step-by-step explanation:

Variable b = cost of the haircut

Solve for b:

4.90/b = 14/100

490 = 14b

35 = b

Check your work:

35 × 0.14 = 4.90

Correct!

8 0
3 years ago
Can pls someone help me :(
Over [174]

Answer:

ok multiply the two first the 85 and 77 and divide it by 36

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3 years ago
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Use complete sentences to describe the domain of the cosine function.
Hatshy [7]
The domain of a function is the set of the possible input values of the function. For example: consider the function f(x) = cos x, the domain of the function is the set of possible values of x.

The cosine function takes x values from all real numbers.

Therefore, the domain of the cosine function is a real numbers.
6 0
3 years ago
If the constant of variation is 12 and y = 36, what does x equal?
exis [7]
Y=kx
k=constant of variation

given
k=12
y=36

36=12*x
divide both sides by 12
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x=3
8 0
4 years ago
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