I need help with algebra2

Mathematics

2 answers:

-Dominant- [34]2 years ago

6 0

Answer:

I am here to help you

Step-by-step explanation:

Hello

ollegr [7]2 years ago

3 0

Answer:

Step-by-step explanation:

sure i am here to help always for

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Square roots are the opposite of ____________.

anyanavicka [17]

Answer:

Squaring a number.

Step-by-step explanation:

The square root is an operation that undoes an exponent of 2, which is the inverse operation of squaring a number.

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2 years ago

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Benji hiked 3 miles in 2.5 hours. Find the unit rate

Drupady [299]

Answer:

1.2 miles per hour

Step-by-step explanation:

I did this a long time time ago but I believe I am correct.

Hope this helps!

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2 years ago

2. Find the missing angle x. 155° 60° X

Kryger [21]

Answer:

exterior angle property use ...

the exterior angle of an angle is equal to sum of rest 2 interior angles in a triangle

155 = 60 + x

x = 155 - 60 = 95

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3 years ago

In order to solve the following system of equations by addition, which of the

Pavlova-9 [17]

Answer:

Multiply the top equation by -3 and the bottom equation by 2

Step-by-step explanation:

Given system of equations:

$\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}$

To solve the given system of equations by addition, make one of the variables in both equations sum to zero. To do this, the chosen variable must have the same coefficient, but it should be negative in one equation and positive in the other, so that when the two equations are added together, the variable is eliminated.

To eliminate the variable y:

Multiply the top equation by -3 to make the coefficient of the y variable 6:

$\implies -3(4x-2y=7) \implies -12x+6y=-21$