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Lorico [155]
3 years ago
10

The work of a student to find the dimensions of a rectangle of area 8 + 12x and width 4 is shown below:

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

Step 2: 4 ( 2 ) + 4 ( 3 x )

Step-by-step explanation:

The student didn't factorise 8 x + 12 properly

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Find the equation of the line that is perpendicular to y = - 1/3 x + 2 and passes though the point (-5,2)
elena55 [62]

Answer:

y - 2 = 3(x + 5)

Step-by-step explanation:

The given equation has slope -1/3.  Any line perpendicular to the given line has a slope which is the negative reciprocal of -1/3, which comes out to +3.

Use the point-slope formula y - k = m(x - h):

y - 2 = 3(x + 5)

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3 years ago
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Lesechka [4]
Answer B is correct. Sum is the answer to an addition problem, so sum of 8 and 2 would be 8+2.
7 0
3 years ago
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Step-by-step explanation:

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3 years ago
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Dominik [7]
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7 0
3 years ago
Help me I have so many of these​
Doss [256]

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3/4

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dividing by a fraction is the same as multiplying by its reciprocal.

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8 0
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