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3 years ago

If you answer this you’re a certified cool person

Mathematics

1 answer:

sladkih [1.3K]3 years ago

5 0

Answer:

6 inches divided by 2/3 inches is 9, so 9 planks

Step-by-step explanation:

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find the percent of change from June to September in the time to run a mile (the June time is 7:45 and the September time is 5:5

Leviafan [203]

Answer:

74% change

Step-by-step explanation:

Percentage is the fraction between two values usually the obtained value against the total obtainable value and multiply by 100.

% change = (value in September / value in july) * 100

% change = (5.51 / 7.45) * 100

% change = 0.7395 * 100

% change = 74%

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3 years ago

How many solutions does 25 + 3A + 9 = 34 + 3A have?

xeze [42]

any number that doesn't have a variable can not go into a number that has variable so there would only be 1

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3 years ago

Which equation represents a line which is perpendicular to the line y = 3x – 8?

svetoff [14.1K]

It’s wing and Mac and orange

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3 years ago

Read 2 more answers

Simplify the expression below.

Novay_Z [31]

Answer:

$\displaystyle 6$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{7^2 - 13}{24 - 18}$

Step 2: Evaluate

[Fraction] Exponents: $\displaystyle \frac{49 - 13}{24 - 18}$
[Fraction] Subtract: $\displaystyle \frac{36}{6}$
[Fraction] Divide: $\displaystyle 6$

5 0

2 years ago

Translate Solve the equation. 3m= 5(m + 3)-3 HELP

kvasek [131]

Answer:

m = -6

Step-by-step explanation:

3m= 5(m + 3)-3

Distribute

3m = 5m +15 -3

Combine like terms

3m = 5m +12

Subtract 5m

3m-5m = 5m+12-5m

-2m = 12

Divide by -2

-2m/-2 = 12/-2

m = -6

7 0

3 years ago