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Salsk061 [2.6K]
2 years ago
8

Please help me :)) i do not understand math lol

Mathematics
1 answer:
KiRa [710]2 years ago
5 0

Answer:

i think the  first one and thrid

Step-by-step explanation:

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What is the value of the slope of a line with the equation: 20-5x?
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Answer:

-5

Step-by-step explanation:

the slope is the variable in front of the x

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What value of b will cause the system to have
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Answer:

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Step-by-step explanation:

The value of b that makes the two lines identical is the opposite of the y-intercept of the line.

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3 years ago
How do you calculate the area and the perimeter of a parallelogram and a triangle?
Mnenie [13.5K]

for parallelograms:

area = b(h)

so basically, the length times the height. just like how you would find the area of a square.

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for triangles:

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so half the length multiplied by the height. for example, if the length was 4, you have to use half of that. so that means 2 times whatever the height is.

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7 0
3 years ago
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Just 4 people who need helppp
Arturiano [62]

Answer:

1/2 ÷ 4 = 8

Step-by-step explanation:

Dividing fractions is as easy as pie. Flip the second and multiply.

1/2 ÷ 4 = 1/8

A whole number secretly has a 1 underneath, like this: 4/1

Flip the second number over to get 1/4, then multiply straight across.

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Try to do the same for the other answers and see if they're right (they're not).

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1/3 x 1/4 = 1/12

1/9 x 1/2 = 1/18

4 0
2 years ago
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