MATHEMATICS MIDDLE SCHOOL

the square root of 49 is how much less than four squared

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Plzzzzzzzzzzzzzzzzz help quick

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Answer:

y=-2x-7 D

Step-by-step explanation:

If m∠ABC = 72°, what is m∠DAB?
A) 72°
B) 108°
C) 144°
D) 216°

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The answer would be B
What you would do is 180-72= 108 degrees

What is 1% of $80 equal

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Well, OF is kind of the same with multiplication. So that question is indirectly saying 1%x$80. As you know, percent means over 100. So that will be;

1/100x$80

1/100 is 0.01. So that means 0.01x$80. And that is 0.8. So the answer is 0.8. Hope I helped.

Compare 1 out of 3 and 3 out of 10. Are these values equal? Explain your reasoning.

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1/3=3/10?
make bottom numbesr same
multiply by 1
1/3 times 10/10=10/30
3/10 times 3/3=9/30
10/30=9/30
10=9
false

answer is no
another ceck is that if 2 fractions are equal, the first one multiplied by the inverse of the second one should simplify to one
1/3 =3/10?
if true, then
1/3 times 10/3=1
10/9=1
false

not equal
NO. This is because 1/3 and 3/10 are totally different. What you do is get an lcd and end up with times 10 for the first fraction and times 2 for the second fractions. 10/30 and 9/30 are different. 

Which method of solving quadratic equations would be the easiest to use to find the solution for x2 – 13x + 12 = 0?

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Factoring would be the easiest.

A trailer hauling wood weighs 2/3 ton.The trailer weighs 1/4 ton without the wood. What is the weight of the wood?

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2/3 - 1/4 = 8/12 - 3/12 =5/12
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