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3 years ago

15

Daikwon and Chris are about to record a new CD. They have a choice between two back up bands. One band charges $50 plus $20 for

each take. The second band charges S20 plus $25 for each take.

1 answer:

MrRa [10]3 years ago

5 0

Answer:

The second band

Step-by-step explanation:

50+20=70

20+25=45

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Convert 6.28km into metres

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sergij07 [2.7K]

Answer:

2x+12=24

first you subtract 12 from both sides

2x+12=24

-12. -12

The 12-12 should cancel itself, the rest of the equation you bring down to get

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Now you have 2x=12.
you then divide 2x by both sides.

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The 2x/2x cancels itself out so you then solve for 12/2x.

For this you just divide 12/2 which is 6!

x= 6 is your final answer.
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hope this helps! :D

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Can someone help me??

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What is the missing value in the proportion 4/5 = x/30?

ra1l [238]

Answer:

$\displaystyle x = 24$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<u /> $\displaystyle \frac{4}{5} = \frac{x}{30}$ <u />

<u />

<u>Step 2: Solve for </u><em><u>x</u></em>

[Multiplication Property of Equality] Cross-multiply: $\displaystyle 5x = 120$
[Division Property of Equality] Divide 5 on both sides: $\displaystyle x = 24$

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