4 years ago

Help??!?! I honestly forgot

Mathematics

2 answers:

dmitriy555 [2]4 years ago

8 0

Commutative property of addition

stealth61 [152]4 years ago

3 0

I think its D distributive property

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MariettaO [177]

Answer:

this is the correct answer

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3 years ago

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What is X squared +3x-70

Aleksandr-060686 [28]

Answer:

x = 7, x = -10

Step-by-step explanation:

$x^2+3x-70 = 0$

Use the quadratic formula.

$x = \frac{-3 + \sqrt{3^2-4(1)(-70)} }{2(1)} \\x = \frac{-3 - \sqrt{3^2-4(1)(-70)} }{2(1)} \\$

Solve.

x = 7, x = -10

You can also factor if you want - that is a faster method.

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3 years ago

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Step-by-step explanation:

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2 years ago

Laura got a discount of 100 dollars on her purchase of a 5775 bed.What is the percent of decrease?

matrenka [14]

Remember that percent means parts out of 100
x/100

discount is the decrease
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100/5775=0.0173
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3 years ago

one high speed internet provider has a $50 setup fee and costs $30 per month. another has no setup fee and costs $40 per month.

vlabodo [156]

Answer:

y=30x+50 and y=40

Step-by-step explanation:

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