3 years ago

Solve x/-4-(-8)=12 Is the Answer -80, 80, 16 or -16

Mathematics

1 answer:

loris [4]3 years ago

3 0

-16.Remove parentheses. Move the negative sign to the left. Regroup terms.

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A) 15 - 4 X 6 + 30 - 5

saw5 [17]

Answer:

Step-by-step explanation:

15 – 24 +30 – 5

–9+25

= 16

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3 years ago

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What is the sum of all angles when the shape is a triangle

elixir [45]

Sum is 180 degrees, always

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3 years ago

The vertices of triangle are A(-2 , 1 ) , B ( 2 , 2 ) and C ( 6 , -2 ) . Find the equation of the altitude of AD drawn from A to

krok68 [10]

Answer:

Given,

ABC is triangle with vertices A(-2,1), B(2,2) and C(6, -2)

Slope of BC(m_1) = $\frac{y_2-y_1}{x_2-x_1}=\frac{6-2}{-2-2}$

$=\frac{4}{-4}=-1$

Since AD is perpendicular to BC

let slope of BC be ( $m_2$ ).

We have for perpendicular

$m_1*m_2=-1$

$-1*m_2=-1$

$m_2=1$

Now equation of line passing through point A(-2,1) is

$y-y_1=m_2(x-x_1)$

y-1=1(x-(-2))

y-1=x+2

y=x+2+1

y=x+3 which is a required equation of the altitude of AD drawn from A to BC.

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2 years ago

Write six hundred seven in standard form.

lianna [129]

Answer:

You can write numbers in standard form where where "a" is the coefficient, 10 is the base , and n is the exponent or power.

a*10^n

So the answer would be 6.07*10^2.

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3 years ago

20) A company made $4500 in profit and reserved $90 for training staff. What percentage of the profit, does the company reserve

kotegsom [21]

Answer:

Step-by-step explanation:

the amount reserved in % is ($90÷$4500)×100=2%

so the $90 since is the amount you need to divide by the actual profits

and multiply by 100 for you to get the amount in %

7 0

3 years ago