4 years ago

What is 4 5ths of 30?

Mathematics

1 answer:

garik1379 [7]4 years ago

3 0

First divide 30 by 5
30/5 = 6
then multiply by 4
4 x 6 = 24

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Please I need help please someone

Nikitich [7]

Answer:

National Stationary

Step-by-step explanation:

The objective here is to find which shop has a better unit rate. We can just divide the total cost of the books by the number of books brought.

Readmore bookshop unit rate is

$\frac{60}{4} = 15$

while National Stationary unit rate is

$\frac{75}{6} = 12.5$

Since National Stationary unit rate is smaller, it has a better offer.

3 0

3 years ago

Please help!!!!!!!!!!!!!!!

Ahat [919]

well if you look at it it comes at a slope

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3 years ago

What is the slope of the line that passes through

Zarrin [17]

Start with the slope formula.

m = y₂ - y₁ / x₂ - x₁

m = -6 - 3 / 5 - -2

m = -9 / 7

So the slope is -9/7.

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3 years ago

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mel-nik [20]

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4 years ago

Solve 4x-4y=-16; x-2y=-12 by using substitution

Diano4ka-milaya [45]

$\left\{\begin{array}{ccc}4x-4y=-16\\x-2y=-12\end{array}\right\\\\\left\{\begin{array}{ccc}4x-4y=-16\\x=2y-12\end{array}\right\\\\substitution:\\\\4(2y-12)-4y=-16\\8y-48-4y=-16\\4y=-16+48\\4y=32\ \ \ \ /:4\\y=8\\\\x=2\cdot8-12=16-12=4\\\\Solution:x=4\ and\ y=8$

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3 years ago