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2 years ago

If I earned $1 every 3 months, how many months until I earn $1000?

Mathematics

2 answers:

KatRina [158]2 years ago

3 0

Answer: 250 years

Step-by-step explanation:

12/3=4

4 x $1 = $4 per year

$1000/4=250

250 years

vladimir2022 [97]2 years ago

3 0

250 years = 2997 months and 3 weeks

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What is the answer 2x+3x-7=42

Studentka2010 [4]

Answer:

x = $\frac{49}{5}$ or $9.8$

Step-by-step explanation:

First, combine like terms. Like terms are terms with the same amount of the same variable.

(2x + 3x) - 7 = 42

5x - 7 = 42

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& roots)

Multiplications

Divisions

Additions

Subtractions

First, add 7 to both sides of the equation:

5x - 7 (+ 7) = 42 (+ 7)

5x = 42 + 7

5x = 49

Next, divide 5 from both sides of the equation:

(5x)/5 = (49)/5

x = 49/5

x = 9.8

7 0

2 years ago

Read 2 more answers

How many quarters are thee in 4 1/2

Neko [114]

Hi there!

quarter:18

1.Find common denominator in 4 and 1/2:

$4=\frac{1}{4}$

$\frac{1}{2}=\frac{2}{4}$

2.Convert 4 2/4 into mixed number:

$4\frac{2}{4}=\frac{18}{4}$

3.Divide 18/4 by 1/4:

$\frac{18}{4}*\frac{1}{4}=18$

Therefore, there is 18 quarters in 4 1/2.

4 0

2 years ago

The letters of the word COMBINE are placed at random in a row. In how many ways can an arrangement occur such that all vowels ar

Oksana_A [137]

I think its 210 because there are 7 letters and 3 vowels so the permutation would be 7 P 3.

7 0

3 years ago

The solutions to the equation 2x2+x-1=2 are X= -3/2 or x=

Brilliant_brown [7]

Answer:

positive 3/2

Step-by-step explanation:

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2 years ago

1. x² + 2xy – 7 xy + 4y? Input your answer here:

viktelen [127]

collect the like terms:

Solution: x^2-5xy+4y

P.S

get the photo math app. :)

Hope that helps.

6 0

3 years ago