2 years ago

Use the discriminant to determine the number and type of solutions to the quadratic equation. Show all work for full credit.

1 answer:

8 0

See picture for solution.

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blondinia [14]

Answer:

d. $43.00

Step-by-step explanation:

Karli's total cost is ...

total cost = material cost + labor cost

= ($8.00/10 gal)·(5 gal) + ($13.00/h)·(3 h)

= $4.00 + $39.00

= $43.00

4 0

2 years ago

Leviafan [203]

A. Learning and religion

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2 years ago

gladu [14]

The formula of an area of a triangle:

$A=\dfrac{1}{2}bh$

b - base

h - height

We have b = 8x and h = 7x. Substitute:

$A=\dfrac{1}{2}(8x)(7x)=(4x)(7x)=28x^2$

<h3>Answer: 28x²</h3>

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3 years ago

AURORKA [14]

5x +8 >-12
5x > -20
x> -4
the answer is B

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3 years ago

Sphinxa [80]

I hope this helps you

-cos²x= sin²x-1

4.sinx = sin²x-1+4

sin²x-4.sinx +3=0

(sinx-3)(sinx-1)=0

sinx≠3

sinx =1

SİN90=1

8 0

3 years ago