2 years ago

Explain how solving an equation with several variables is similar to and different from the

Mathematics

1 answer:

matrenka [14]2 years ago

4 0

Answer:

Step-by-step explanation:

To solve an equation for a particular variable, we can perform the same actions we did when solving equations that only had one variable. We can add the same number to both sides, multiply both sides by the same number, etc.

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What fraction is 20sec of 2 minutes

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1/6

Step-by-step explanation:

20 sec of 120 sec = 20/120 = 1/6

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This is a picture of a cube and the net for this cube.

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Solve for d 6d -11/2 = 2d -13/2. Please answer quickly

Slav-nsk [51]

6d -11/2 = 2d -13/2

Subtract 2d from both sides

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3 years ago

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The scale of a model airplane is 1:72. If the wingspan on the model airplane is 7.5 inches, then the wingspan of the actual airp

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45 feet

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2 years ago

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A2+5a+6=0<br><img src="https://tex.z-dn.net/?f=%20%7Ba%7D%5E%7B2%7D%20%20%2B%205a%20%2B%206%20%3D%200" id="TexFormula1" title="

Katarina [22]

we are given

$a^2+5a+6=0$

we can use factoring formula

$a^2-(m+n)a+mn=(a-m)(a-n)$

we can compare

and we get

$m+n=-5$

$mn=6$

now, we can solve for m and n

and we get

$m=-3 , n=-2$

now, we can use formula

and we get

$a^2+5a+6=(a+3)(a+2)$

now, we can set it equal to 0

$a^2+5a+6=(a+3)(a+2)=0$

$(a+3)=0$

$a=-3$

$a+2=0$

$a=-2$

so, we will get

$a=-2,a=-3$ .............Answer

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2 years ago

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