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dalvyx [7]
2 years ago
13

Can somebody help me with 6 and 7 and show the work for it? thank you

Mathematics
1 answer:
sineoko [7]2 years ago
4 0

Answer:

Answer For Number 6 is $30

Step-by-step explanation:

We can find how much molly would save by first finding out how much 20% of $275 is. We can do that by multiplying 275 by 0.20 since 0.20 is 20% in decimal form

275*0.20 = 55

Now that we know 20% of 275, we can find the price of the microwave at store B by subtracting 55 from the original price.

275 - 55=220

Now we can find how much Molly would save by subtracting our discounted price from the price of the microwave from store A

250-220=30

Hence, the amount she would save is $30

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Factor x^2+6x-16 into the form (x+a)(x-b), what is a and b?
vfiekz [6]

Answer:

a=-8 b=2

Step-by-step explanation:

x^2+6x-16

x^2+(8-2)x-16=0

x^2+8x-2x-16=0

X(X+8)-2(X+8)=0

(X+8)(x-2)=0

Compare with (X+a)(X+b)

Where we get a=-8 b=2

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3 years ago
Which expression is equivalent to 3m+1-m?
Lisa [10]

Answer:

option  (a) is correct.

2 + m - 1 + m is an equivalent expression  to the given expression  3m+1-m

Step-by-step explanation:

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We have to choose an equivalent expression from given options.

Equivalent expression are those expression that looks different but are same.

Like 4+2 = 6  and 3+ 3 = 6

Both have same value but looks differently.

Like terms are term having same variable with same degree.

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Thus, (3-1) m + 1  = 2m + 1

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6 0
3 years ago
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For which survey is a sample not necessary?
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Answer:

<h2>How many car accidents involve airbag malfunctions?</h2><h2 />

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shutvik [7]
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Question 5
kramer

Answer:

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1, 2, 3, 4, 5, 6, 7 and 8

Step-by-step explanation:

Please kindly see the attached file for more explanation

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