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2 years ago

Write a linear equation for a line that passes through (0, 0) and m = -2.

Mathematics

1 answer:

nadezda [96]2 years ago

8 0

Answer:

D. y=-2x

Step-by-step explanation:

A linear equation is y=mx+b. M is given as -2. Because the line passes through (0,0), it crosses the y axis at 0.

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Find the distance between the points 3,7 and 15, 12 on the coordinate plane?

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2 years ago

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2 years ago

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Strike441 [17]

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2 years ago

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Which is the better buy? 12 bars of soap for $10.00 or 5 bars of soap for $4.00

Eddi Din [679]

Answer:

12 bars of soap for $10.00, but actullay the are both the same. if u buy 5 bars of soap for $4.00 then the next time u buy 7 bars of soap, your are still using the same amount of money.

Step-by-step explanation:

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3 years ago

Es of two children are 11 and 8 years.

nikdorinn [45]

Answer:

In 5 years the product of their ages will be 208

Step-by-step explanation:

The age of two children is 11 and 8 years.

Let's call x the number of years ahead.

We need to find when the product of their future ages is 208. The 11 years old child will be 11+x years old and the other child will be 8+x years, thus:

(11+x)(8+x)=208

Operating:

$88+11x+8x+x^2=208$

Simplifying:

$x^2+19x-120=0$

Factoring:

(x-5)(x+24)=0

Solving:

x=5, x=-24

The negative solution is not valid, thus x=5

In 5 years the product of their ages will be 208

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2 years ago