3 years ago

If you answer it correctly I will give 100 points and give brainliestSolve for the variable in the following proportion.

Mathematics

1 answer:

Blababa [14]3 years ago

5 0

12...................

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Write 16; base 2 as a power of the given base

mixas84 [53]

2to the power of 16 is is 32 because basically you are multiplying 16 x2

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3 years ago

-5x(4x+6)=21 whats the answer

AysviL [449]

1.) Multiply the parentheses by -5x
2.) Move the constant to the left
3.) Change the signs
4.) Solve the quadratic equation
5.) Evaluate the powers and multiply
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4 years ago

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I neeed to solve this equation with elimination

valina [46]

Answer:

The solution to the system of equations be:

x = 3

y = 9

Step-by-step explanation:

Given the system of equations

x + y = 12

-x + 2y = 15

Let us solve the system of equations by elimination

$\begin{bmatrix}x+y=12\\ -x+2y=15\end{bmatrix}$

adding the equations

$-x+2y=15$

$+$

$\underline{x+y=12}$

$3y=27$

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$3y=27$

divide both sides by 3

$\frac{3y}{3}=\frac{27}{3}$

Simplify

$y=9$

For x+y=12 plug in y = 9

$x+9=12$

Subtract 9 from both sides

$x+9-9=12-9$

Simplify

$x=3$

Therefore, the solution to the system of equations be:

x = 3

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3 years ago

Alvin at 1/3 of a pizza for dinner and took 1/6 of it for lunch the next day . How much pizza does he have left

Inga [223]

1/3=2/6

So he ate 2/6ths of the pizza and now there is 4/6ths left.

He took 1/6ths with him for lunch so 4/6-1/6=3/6
You can simplify 3/6 to 1/2

He was 1/2 of the pizza left.

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Margarita [4]

Answer:

Step-by-step explanation:

We have to look at the full dot

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