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3 years ago

11-x+3y=8 solve for y

Mathematics

2 answers:

Greeley [361]3 years ago

7 0

Answer:

y= −1 + x/3

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Eduardwww [97]3 years ago

7 0

Answer:

y = 1/3x -1

Step-by-step explanation:

11 -x +3y = 8

-11 + x -11 + x

3y = x -3

divide by 3

y = 1/3x -1

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statuscvo [17]

Answer:

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Step-by-step explanation:

√ 17 = 4.12310562 ... (about 4.1)

9/2 = 4.5

3 0

3 years ago

You travel 8 miles on your bicycle in the same amount of time it takes your friend to travel 6 miles on

strojnjashka [21]

Answer:

Step-by-step explanation:

8/v=6/v-3

8*(v-3)=6v

8v-8*3=6v

8v-24=6v

+24 +24

8v=6v+24

-6v -6v

2v=24

v=24/2

v=12 miles /hour

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6 0

3 years ago

Write an expression showing 4 less than the number j.

Svetllana [295]

Answer:

j-4 is how you show 4 less than a number j

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2 years ago

Convince me why points B&C are solutions to this system of linear inequalities.

muminat

The coordinates of B and C are solutions to the system of inequalities because both are true to the two inequalities. A is not a solution to the system of inequalities because it is only true to “y is less than or equal to 2x”.

3 0

3 years ago

The water level in a lake was monitored and was noted to have changed -2 1/3 inches in one year. The next year it was noted to h

Diano4ka-milaya [45]

Answer:

The total change in water level over the past 2 years is $\displaystyle -4 \frac{1}{6}$ .

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Fractions

Proper and Improper

Numbers

Least Common Multiple (LCM)

Step-by-step explanation:

Step 1: Define

Identify

Year 1 water change: $\displaystyle -2 \frac{1}{3}$

Year 2 water change: $\displaystyle -1 \frac{5}{6}$

Step 2: Find Total Water Change

[Set up] Add yearly water changes: $\displaystyle -2 \frac{1}{3} + -1 \frac{5}{6}$
[Fractions] Convert to improper: $\displaystyle \frac{-7}{3} - \frac{11}{6}$
[Fraction] Rewrite [LCM]: $\displaystyle \frac{-14}{6} - \frac{11}{6}$
[Order of Operations] Subtract: $\displaystyle \frac{-25}{6}$
[Fraction] Convert to proper: $\displaystyle -4 \frac{1}{6}$

5 0

2 years ago