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2 years ago

Richard and Nestor create paintings. Richard creates 40 paintings in 28 days.

Mathematics

1 answer:

pychu [463]2 years ago

8 0

Answer:

Richard

Step-by-step explanation:

28 days=4 weeks

40 paintings in 4 weeks

45 paintings in 5 weeks

Richard weekly rate: 40/4=10 paintings per week

Nestor weekly rate: 45/5=9 paintings per week

If richard's rate is 10 while nestor's is 9, richard has a faster rate

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1 1/2= v + 3/4 (that's 1 and a half, not 11 over 2) what is v?

Irina-Kira [14]

Answer:

The value of v is 3/4.

Step-by-step explanation:

First, you have to convert mixed number into improper fraction :

$1 \frac{1}{2} \\ = \frac{2 \times 1 + 1}{2} \\ = \frac{3}{2}$

In order to find the value of v, you have to substract 3/4 to both sides :

$\frac{3}{2} = v + \frac{3}{4}$

$\frac{3}{2} - \frac{3}{4} = v + \frac{3}{4} - \frac{3}{4}$

$v = \frac{3 \times 2}{2 \times 2} - \frac{3}{4}$

$v = \frac{6}{4} - \frac{3}{4}$

$v = \frac{3}{4}$

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3 years ago

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

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