2 years ago

3x + 5 = -2 it’s just the he numbers it says it is to short

Mathematics

1 answer:

Anna11 [10]2 years ago

4 0

Answer:

x = -7/3

Step-by-step explanation:

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Define a substitution method to solve the followingsysten of equation of y=2x-3, x+y=1

Ivan

I will solve you system by substitution

y = 2x - 3 ; x + y = 1

→Step 1: Solve y = 2x - 3 for y

→Step 2: Substitute 2x - 3 for y in x + y = 1:

x + y = 1

x + 2x- 3 = 1

3x - 3 = 1 (Simplify both sides of the equation)

3x - 3 + 3 = 1 + 3 (Add 3 both sides)

3x = 4

3x ÷ 3 = 4 ÷ 3 (Divide each side by 3)

x = 4/3

→Step 3: Substitute 4/3 for x in y = 2x - 3:

y = 2x - 3

y = 2 (4/3) -3

y = -1/3 (Simplify both sides of the equation)

Answer:

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

∫Hope that helps∫

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3 years ago

How many rational numbers are there between 2 and 20? Explain how you know.

Westkost [7]

Answer:

Infinitley many

Step-by-step explanation:

We know that rational numbers are numbers that are fractions and decimals.

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2 years ago

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In 1999 the population of Austria was one-third the population of Nepal. At that time the number of people living in Austria was

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The answer would be 24,300,000 people living in Nepal.

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Jimmy loaded three bags of sand into his wheelbarrow. The bags weighed 24/12 lbs, 32/35 lbs, and 44/18 lbs. The total amount of

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The correct answer is 5 113/315

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3 years ago

14 is 28% of what number

Sindrei [870]

'is' in mathematics means the equal sign
'of' in mathematics means the multiplication sign
the number can be any variable you chose it to be

$14 = \frac{28}{100} \times x$

Divide both sides by 28

$\frac{1}{2} = \frac{x}{100}$

Multiply by 100 on both sides to isolate 'x'

$\boxed{\bf{x=50}}$

14 is 28% of 200

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