3 years ago

PLEASE HELP ME WITH MY GEOMETRY WORK!!! I DONT UNDERSTAND IT AND I DONT KNOW WHY!!!?

Mathematics

2 answers:

IgorLugansk [536]3 years ago

8 0

Answer: im so confused

Step-by-step explanation:

Varvara68 [4.7K]3 years ago

7 0

Answer: you can delete my answer but I need the points I’m so sorry

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Solve the system of equations:

iVinArrow [24]

$(-1,-2) \: \: \: \: \: and \: \: \: \: \: (3,6) \\ Answer: A$

Step-by-step explanation:

$y = 2x \\ y = {x}^{2} - 3 \\ \\ 2x = {x}^{2} - 3 \\ {x}^{2} - 2x - 3 = 0 \\ (x + 1)(x - 3) = 0 \\ x + 1 = 0 \: \: \: \: \: or \: \: \: \: \: x - 3 = 0 \\ x = - 1 \: \: \: \: \: or \: \: \: \: \: x = 3$

When x = -1

Substitute x = -1 into y = 2x

y = 2(-1)

y = -2

( -1, -2)

When x = 3

Substitute x = 3 into y = 2x

y = 2(3)

y = 6

( 3, 6)

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3 years ago

A car dealership offers a special interest rate of 3.5%. What is 3.5% written as a decimal? A. 0.0035 B. 0.035 C. 0.35 D. 35.0

wel

Make 3.5% out of 100: $\frac{3.5}{100}$ 3.5÷100=0.035. So the Answer is B. 0.035.

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3 years ago

What is the algebraic expression for "the difference between seven times a number and three times that number"?

inna [77]

Answer:

7x-3x = 4x?

I think

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3 years ago

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5. Original Price: $40 Sale Price: $30

telo118 [61]

It’s %25 off think about it 40-10=30 and that’s %25 of it hope I help you have a good day

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3 years ago

Mr. Menedez ran 13.1 miles at a constant rate for 150 minutes. To find how fast he ran, you solve the equation 13.1 = x • 150. W

Elodia [21]

To find x, divide 13.1 by 150 to get <span>0.08733333333.</span>

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