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3 years ago

15/30 divided by 15/15

Mathematics

2 answers:

Musya8 [376]3 years ago

6 0

Answer:

Step-by-step explanation:

15/15 = 1.....any number over itself = 1

(15/30) / 1 = 15/30 which reduces to 1/2

charle [14.2K]3 years ago

6 0

All that is required is simplification then basic division.

15/30=1/2

15/15=1

So (1/2)/1 = 1/2

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It is 80 and 3/10ths of a mile

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2 years ago

Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

liq [111]

Answer:

Step-by-step explanation:

3(x+2)=12

Distribute:

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3 years ago

According to a survey of workers 6/50 of them walk to break 3/50 bike 10/50 carpool and 31/50 Drive alone what percent of worker

otez555 [7]

Answer:

Step-by-step explanation:

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2 years ago

Y = -3x - 2 and 5x + 2y = 15

denis-greek [22]

Answer:

(-19, 55)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = -3x - 2

5x + 2y = 15

Step 2: Solve for x

Substitution

Substitute in y: 5x + 2(-3x - 2) = 15
Distribute 2: 5x - 6x - 4 = 15
Combine like terms: -x - 4 = 15
Isolate x term: -x = 19
Isolate x: x = -19

Step 3: Solve for y

Define original equation: y = -3x - 2
Substitute in x: y = -3(-19) - 2
Multiply: y = 57 - 2
Subtract: y = 55

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3 years ago

URGENT!!LAST QUESTION!!!! PLS JUST TAKE A LOOK! EASY BUT I AM DUMB!!!!!! WILL GIVE BRANLIEST!!

Luden [163]

Answer:

x = 28

Step-by-step explanation:

If the quadrilaterals are similar, there is a proportionality among their sides:

The top side in the large figure (70) is to the top side in the small figure (10) in the same ratio as the left side (x) in the large figure is to the left side in the small figure (4). This in math terms is written as:

$\frac{70}{10} =\frac{x}{4}$

We can then solve for the unknown "x" by multiplying both sides by 4:

$\frac{70}{10} =\frac{x}{4}\\\frac{70\,*\,4}{10} =x\\x=28$

4 0

2 years ago