2 years ago

Cooper is opening an online savings account to hold his $20,000

Mathematics

1 answer:

Lady_Fox [76]2 years ago

8 0

Answer:

he will have 2019

5 years= 60months 60x1.5=0.9 0.9=90 20000+90

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-1/3x-4/3y=-2 1/3x-2/3y=4 using elimination

Minchanka [31]

-1/3x-4/3y=2

1/3x-2/3y=4

First realize that the coefficient of x is -1/3 and 1/3 which can be eliminated with addition

Adding the two equations together gets

-6/3y=6

Simplify

-2y=6

y=-3

Substitute back into original equation

1/3x-2/3(-3)=4

1/3x+2=4

1/3x=2

x=6

Answer

x=6, y=-3

Check answer

-1/3(6)-4/3(-3) =?= 2

-2+4=2

2=2

Done!

5 0

2 years ago

After 3.5 hours, Pasha had traveled 217 miles. If she travels at a constant speed, how far will she have traveled after

Artemon [7]

248 miles should be the answer

6 0

2 years ago

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Simplify <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B4%7D%5E%7B2%7D%20%7D%7B16%7D%20" id="TexFormula1" title=" \fra

babunello [35]

Answer: <em>1</em>

Step-by-step explanation:

$\dfrac{ {4}^{2} }{16}=\dfrac{16}{16} =1$

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2 years ago

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The real numbers $x$ and $y$ are such that \begin{align*} x + y &= 4, \\ x^2 + y^2 &= 22, \\ x^4 &= y^4 - 176 \sqrt{

tamaranim1 [39]

You get everything you need from factoring the last expression:

$x^4-y^4=-176\sqrt7$

The left side is a difference of squares, and we get another difference of squares upon factoring. We end up with

$x^4-y^4=(x^2-y^2)(x^2+y^2)=(x-y)(x+y)(x^2+y^2)$

Plug in everything you know and solve for $x-y$ :

$-176\sqrt7=(x-y)\cdot4\cdot22\implies x-y=\boxed{-2\sqrt7}$

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3 years ago

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A smoothie shop has 40 stores and 55% of the stores are in california the rest of the stores are in nevada.how many are in nevad

ZanzabumX [31]

There are 18 in Nevada.

Multiply 55% by 40, and you get the amount for California. (Which is 22.)

Subtract 40 by 22, and you get 18.

Hope this helps!

5 0

3 years ago