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2 years ago

I need help with this

Mathematics

1 answer:

Andrews [41]2 years ago

6 0

Answer:

So im guessing that 30 will go in English 58 will go in PE 12 will go in the middles and 22 will also go in the middle.

Hope I'm right

Hope this helps

Have a good rest of your day

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The formula for the area of a trapezold with altitude k and bases m and n is A=k/2(m+n)

Ghella [55]

Answer:

$m=\frac{2A-kn}{k}$

Hence, option C is true.

Step-by-step explanation:

Given the expression

$A=\frac{k}{2}\left(m+n\right)$

Solving for 'm'

$A=\frac{k}{2}\left(m+n\right)$

Flip the equation

$\frac{k}{2}\left(m+n\right)=A$

Expanding by applying the distributive law: $a\left(b+c\right)=ab+ac$

$\frac{1}{2}km+\frac{1}{2}kn=A$

Add (-1)/2 × kn to both sides

$\frac{1}{2}km+\frac{1}{2}kn+\left(-\frac{1}{2}kn\right)=\left(-\frac{1}{2}kn\right)+A$

simplify

$\frac{1}{2}km=-\frac{1}{2}kn+A$

Divide both sides by k/2

$\frac{\frac{1}{2}km}{\frac{k}{2}}=\frac{-\frac{1}{2}kn+A}{\frac{k}{2}}$

$m=\frac{2A-kn}{k}$

Therefore,

$m=\frac{2A-kn}{k}$

Hence, option C is true.

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3 years ago

1. Tom is 110 pounds and gains 3 pounds per year. Jerry is 120 pounds and gains 2 pounds per year. Write and solve a system of l

Alenkasestr [34]

Answer:

Step-by-step explanation:

Solve 8-3y<41.

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3 years ago

What a good men what a ever good men

Pepsi [2]

Answer: then what a bad man

Step-by-step explanation:

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2 years ago

Why is it that sin 5π

nika2105 [10]

Because arcsin or sin-1 only gives outputs that are in the first and fourth quadrant.
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3 years ago

12x+7<−11 AND5x−8≥4012

Arte-miy333 [17]

Answer:

No solution

Step-by-step explanation:

Given: $12x+7$ and $5x-8\geq 40$

Solve both inequality separately.

$12x+7$ Subtraction property of inequality

$12x$

$x$

and

$5x-8\geq 40$ Addition property of inequality

$5x\geq 40+8$

$5x\geq 48$

$x\geq \dfrac{48}{5}$

Hence, the solution of the compound inequality intersection of both solutions.

Please find attachment for number line solution.

No solution

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3 years ago

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