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2 years ago

Help will give Brainliest

Mathematics

2 answers:

Eduardwww [97]2 years ago

7 0

Answer:

=90.95

Step-by-step explanation:

Tax is found by taking the original price and multiplying by the tax rate

tax = 85 * 7%

tax = 85*.07

tax = 5.95

To find the final price, we add the tax to the original amount

final price = 85+5.95

=90.95

ryzh [129]2 years ago

4 0

Multiply the price by (1 + sales tax).

85 x (1+0.07)

85 x 1.07 = 90.95

He will pay $90.95

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Can anyone help me solve this?

Alecsey [184]

Answer:

Step-by-step explanation:

$(\sqrt{z} +\sqrt{22})(\sqrt{z} -\sqrt{22})=35$

Subtract both sides from 35

$(\sqrt{z}+\sqrt{22} (\sqrt{z} -\sqrt{22})-35=35-35$

Simplify:

$(\sqrt{z})^{2} -57=0$

Factor $(\sqrt{z})^{2} -57: (\sqrt{z}+\sqrt{57}) (\sqrt{z}-\sqrt{57})$ =0

$\sqrt{z} +\sqrt{57}=0 or \sqrt{z} -\sqrt{57}=0$

$\sqrt{z} +\sqrt{57} =0: No Solution for Z$

$\sqrt{z} -\sqrt{57} =0: z=57$

Your answer will be z=57

and No solution

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2 years ago

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Change 0.384 to a percent.<br> 384%<br> 3.84%<br> 38.4%<br> 38.4

anygoal [31]

Move over 2 decimal places
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2 years ago

Y=2x+5 and y=3x+11 solve by substitution.

kondaur [170]

Answer:

Answer: x= -6 and y= -7

Step-by-step explanation:

Substitute 2x+5 for y in y=3x+11:

y=3x+11

2x+5=3x+11

2x+5+−3x=3x+11+−3x(Add -3x to both sides)

−x+5=11

−x+5+−5=11+−5(Add -5 to both sides)

−x=6

−x−1=6−1(Divide both sides by -1)

x=−6

Step: Substitute −6 for x in y=2x+5:

y=2x+5

y=(2)(−6)+5

y=−7(Simplify both sides of the equation)

-Source: MathPapa

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viva [34]

Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Can't have any point with the same x-value, so it can be anything just can't be (5,y)

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