3 years ago

1. *

Mathematics

1 answer:

julsineya [31]3 years ago

8 0

Answer:

Her multiplication

Step-by-step explanation:

Not really an aexplanation

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27. Explain the Error Yuan is asked to evaluate the expression (-8)' on his exam, and writes that it is unsolvable because you c

DanielleElmas [232]

Answer:

he is incorrect the answer is -4

Step by step explanation:

$\sqrt[3]{-8^{2} } \\\\\\\sqrt{-2^{2} } \\\\= -4$

just because something is negative doesn't mean it cant still be divided

it will still be able to be divided but it will be a negative number

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Charles has $54.50 saved. He will save $33.25 each week for 30 weeks. How much money will Charles have after 30 weeks?

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Answer:

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1052

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What is the solution to the equation = 25? x = 5 x = 10 x = 25 x = 125

Brilliant_brown [7]

Answer:

x=125

Step-by-step explanation:

To solve we must find a number that when divided by 5 equals 25.

To do this we can either...

Take each answer choice and plug in the value into the x spot and see if it works...

5/5=25 WRONG

10/5=25 WRONG

25/5=25 WRONG

125/5=25 CORRECT!

ORRR... we can set the equation so that the x is alone on one side.

To do this we can multiply both sides by 5

$\frac{x}{5}$ =25 ---> x=25×5

x=125

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2 years ago

HELP ME WILL MARK BRIANLEST Molly and Maddie are clothes shopping. Molly has $100.00 and a coupon for a $5.00 discount at a clot

Sever21 [200]

Molly's equation

15x + 10 = 100

-10 -10

15x=90

/15 /15

x=6

Maddie's equation

15x - 10 = 100

+10 +10

15x=110

/15 /15

x=7 1/3

MADDIE IS RIGHT

this is because she said 7 ans=d you cannot buy 1/3 of a shirt.

give the guy under me the 5 stare and a thanks this is his answer

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3 years ago

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What is (x − 3)(x − 5) = 35

JulijaS [17]

Answer:

x=10 x=-2

Step-by-step explanation:

(x − 3)(x − 5) = 35

FOIL

x^2 -5x-3x+15 = 35

Combine like terms

x^2 -8x+15 = 35

Subtract 35 from each side

x^2 -8x+15-35 = 35-35

x^2 -8x-20 =0

Factor

What 2 numbers multiply to -20 and add to -8

-10*2 = -20

-10 +2 = -8

(x-10)(x+2) =0

Using the zero product property

x-10 =0 x+2 = 0

x=10 x=-2

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3 years ago