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3 years ago

the length of a rectangle is 7 inches greater than three times its width write an expression to represent its area

Mathematics

1 answer:

icang [17]3 years ago

3 0

Step-by-step explanation:

Let the length be L.

Let the breath be B.

So, we are given that

length of a rectangle is 7 inches greater than three times its width .

So, according to the Question,

L = 7+ 3B.

So, we know that:-

Area = Length× Breadth.

So, it will be

B × (7 + 3B) = Area.

So,

3B² + 7 is an expression to represent its area.

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For a direct variation describe how the constant of variation affects whether y increases or decreases as x increases

Goryan [66]

Direct variation is of the form: y=kx (inverse variation is of the form y=k/x)

Assuming that k is positive :)

y increases as x increases and y decreases as x decreases. There is a direct ratio that is described by k. k=y/x.

7 0

3 years ago

Help me please find x for this triangle!!!!

8090 [49]

X = 29

61 + 90 = 151
180-151 = 29

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2 years ago

Read 2 more answers

Please answer this please

TiliK225 [7]

Answer:

100

Step-by-step explanation:

$4\times(2+3)^{2}$

This can be turned into:

$4\times5^{2}$ (if we add the numbers inside the brackets)

Following PEDMAS, this becomes:

$4\times25$ which equals $100$

∴ $4\times(2+3)^{2}=100$

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3 years ago

Please help me please

myrzilka [38]

Answer:

B. y = -4/3x + 22

Step-by-step explanation:

Parallel lines have the same slope.

<u>Use the given point (6, 14) and point-slope form:</u>

y - 14 = -4/3(x - 6)
y = -4/3x + 8 + 14
y = -4/3x + 22

Correct choice is B

8 0

2 years ago

Read 2 more answers

Someone please help. i will mark as brainliest if right :)

DIA [1.3K]

Answer:

The other factor is 5x-2

Step-by-step explanation:

Using the factorisation method:

Two numbers that multiply to give -10 and add to give +3:

+5 and -2

$5x^{2} +5x-2x-2$

$5x(x+1) -2(x+1)$

$(x+1)(5x-2)$

So the other factor is 5x-2

I'm not sure about the second part of the question but I hope you understood how to deal with the first part.

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2 years ago