3 years ago

What percent of 77.9 is 54?

Mathematics

1 answer:

EleoNora [17]3 years ago

3 0

Answer: Your Dumb

Step-by-step explanation:

D U M B

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Brass is an alloy made from copper and zinc in the ratio 3:2, based on weight. If 120g of copper are needed for a certain piece

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The answer is 80.
You would first, divide 120 by 3.
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3 years ago

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Determine whether y varies directly with x. If so, find the constant of variation and write the equation.

12345 [234]

ANSWER

$yes \: \: k = \frac{1}{3} \: \: \: y = \frac{1}{3} x$

EXPLANATION

The given line passes through the origin, hence it has equation of the form,

$y = kx$

Therefore y varies directly as x.

The line passes through the point (3,1)

This implies that,

$1= k(3)$

$k= \frac{1}{3}$

Hence the constant of variation is

$\frac{1}{3}$

The equation is

$y = \frac{1}{3} x$

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3 years ago

Which inequality represents the solution on the graph?

Airida [17]

I think the answer is B

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4 years ago

A closed rectangular tank has a length of 8.5 feet, a width of 3.2 feet, and a height of 4.8 feet. Find the surface area of the

Stella [2.4K]

Answer:

166.72

Step-by-step explanation:

A= 2(wl+hl+hw)

A= 2(3.2×8.5+4.8×8.5+4.8×3.2)

A= 2(27.2+40.8+15.36)

A= 2(83.36)

A= 2×83.36

A= 166.72

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2 years ago

If a jogger jogs 6 kilometers in 45 minutes what is his speed

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45 minutes = 3/4 hours

so his speed = 6 / 3/4 kph

= 8 km / h Answer

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3 years ago