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3 years ago

X divided by 7 - 5 = 2 x/7 - 5 = 2

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

4 0

Answer:

x=4

Step-by-step explanation:

Multiply by 2 from both sides of equation.

2x/7-5=2*2

Simplify, to find the answer.

2*2=4

x=4 is the correct answer.

I hope this helps you, and have a wonderful day!

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What is the rate of Change of the line through (1,-3) and (0,-1)

andreyandreev [35.5K]

Answer:

$m=-2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (1, -3)

Point (0, -1)

Step 2: Find slope m

Substitute in points into the slope formula to find rate of change

Substitute [SF]: $m=\frac{-1+3}{0-1}$
Add/Subtract: $m=\frac{2}{-1}$
Divide: $m=-2$

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3 years ago

48 is what percent of 75

Dahasolnce [82]

Answer:

Step-by-step explanation:

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8 0

3 years ago

Log14/3 +log11/5-log22/15=log

Tamiku [17]

Answer:

$log7$

Step-by-step explanation:

when adding logs, apply the log rule: $\log _a\left(x\right)+\log _a\left(y\right)=\log _a\left(xy\right)$

∴ $\log\left(\frac{14}{3}\right)+\log\left(\frac{11}{5}\right)=\log\left(\frac{14}{3}\cdot \frac{11}{5}\right)$

when subtracting logs, apply the log rule: $\log _a\left(x\right)\:-\:\log _a\left(y\right)=\log _a\left(\frac{x}{y}\right)$

$\log\left(\frac{14}{3}\cdot \frac{11}{5}\right)-\log\left(\frac{22}{15}\right)=\log\left(\frac{\frac{14}{3}\cdot \frac{11}{5}}{\frac{22}{15}}\right)\\\\=\log\left(7\right)$

5 0

2 years ago

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Answer this. I will giveBRAINLIEST

sweet [91]

Answer:

Multiply both sides by 3, then subtract 6 from both sides

Step-by-step explanation:

d + 6 / 3 = 6 (multiply both sides by 3)

d + 6 = 18 (subtract 6 from both sides)

d = 12

6 0

3 years ago

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A unit of electricity costs 13.2 pence. On average, tanya uses 90 units of electricity per week. She pays for her bill in 12 wee

Scrat [10]

Her electricity bill will be of 14256 pence.

Explanation

On average, Tanya uses 90 units of electricity per week.

So, the total units of electricity in 12 weeks will be: $(90*12)=1080$ units

One unit of electricity costs 13.2 pence.

Thus, the total cost for 1080 units will be: $(13.2*1080)pence= 14256$ pence.

So, her electricity bill will be of 14256 pence.

7 0

3 years ago

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