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motikmotik
3 years ago
8

I think it the third one but need a double check

Mathematics
1 answer:
makkiz [27]3 years ago
8 0

Answer:

The first answer is correct.

Step-by-step explanation:

Line 5 says that the reason is due to substitution

Line 3 says m∠ SQT equals 180°

If we substitute 180° into the spot for m∠ SQT in line 4, we get solution option 1

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A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y)
Alecsey [184]

Answer:

Step-by-step explanation:

The homework  grade, to the nearest integer, for a student with a test grade of 68 is 69.

Step-by-step explanation:

The general form of the linear regression equation is:

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Find the equation of a line that is parallel to the line y=-3x-1 and crosses the y-axis at (0,-8).
Colt1911 [192]

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3 0
2 years ago
10xy(4xy^3-7xy+9y^2)
Thepotemich [5.8K]

Answer:

40x^{2} y^{4} -70x^{2} y^{2} +90xy^{3}

Step-by-step explanation:

10xy(4xy^{3} -7xy+9y^2)  

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2. 10xy · -7xy = -70x^{2} y^{2}

3. 10xy · 9y^2 = 90xy^3

Final step: add up all of those values together to make an equation!

Answer:  40x^2y^4+ -70x^2y^2+ 90xy^3

Final Answer: 40x^2y^4-70x^2y^2+90xy^3

3 0
3 years ago
A store pays $45 for a radio. The store marks the radio up 30%. What is the selling price for the radio?
rodikova [14]
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7 0
2 years ago
Read 2 more answers
Please help thanks I’m so confused
Anna71 [15]

Answer:

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Step-by-step explanation:

64.93 is how much he paid

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