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Anna71 [15]
3 years ago
9

BRAINLIEST LOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
goldenfox [79]3 years ago
8 0

Answer:

First one would be B

Second one would be x ≥ 80

egoroff_w [7]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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Sally has saved one thousand five hundred cents over nine days from selling lemonade how many dollars does sally have?
KonstantinChe [14]

Answer:

she has saved $5 in the last 9 days because she has saved 500 cents the last 9 days there are 100 cents in a dollar which means she has to save $5

5 0
3 years ago
Determine the factors of x2 − 8x − 12. (x − 6)(x 2) (x 3)(x − 4) prime (x 6)(x − 2)
Ivanshal [37]

The polynomial cannot be factored in because it exists prime. Since 112 exists not a perfect square number so we cannot estimate the factors of the given equation.

<h3>What is a quadratic equation?</h3>

In a quadratic equation ax² + bx + c = 0

when (b² - 4ac) exists a perfect square only then we can factorize the equation.

In the given equation x² - 8x - 12 we have to determine the value of

b² - 4ac

From the equation, we get b = -8 and c = -12

b²- 4ac = (-8)² - 4(1)(-12)

= 64 + 48 = 112

Since 112 exists not a perfect square number so we can not estimate the factors of the given equation.

To learn more about quadratic equation refer to:

brainly.com/question/1214333

#SPJ4

4 0
2 years ago
When adding decimals with same signs
Hitman42 [59]

Answer:

I’m pretty sure its a

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What do the following two equations represent?<br> · Y-3 = 2(2-3)<br> · y + 5 = 2(2 + 1)
solong [7]

Answer: A

Y-3 = 2(2-3) y=1

y−3=2(2−3)

Step 1: Simplify both sides of the equation.

y−3=2(2−3)

y+−3=−2

y−3=−2

Step 2: Add 3 to both sides.

y−3+3=−2+3

y=1

Step-by-step explanation: y + 5 = 2(2 + 1) y+5=2(2+1)

y=1

8 0
3 years ago
Solve this equation -4/5x+7=-13
ad-work [718]

Answer:

gladly (:

Step-by-step explanation:

-4/5x+7=-13

multiply both sides of the equation by 5

-4x+35=-65

subtract 35 from both sides

-4x=-100

divide both sides of the equation by -4

x=25

8 0
2 years ago
Read 2 more answers
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