3 years ago

Simplify 3/5 * 35 - 61

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

8 0

Answer:

-15.6 or -15 3/5

Step-by-step explanation:

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One half of 780 fans stood and cheered.how many fans stood and cheered?what percent of the fans stood and cheered?

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390 fans cheered because 780 divided by 2 is 390

the percent is 50% because one half is equal to 50%(take 100 for example)

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3 years ago

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An internet cafe charges a fixed amount per minute to use the internet. The cost of using the internet in dollars is, y = 3/4x.

Vinil7 [7]

ANSWER

8 minutes

EXPLANATION

We know that the cost of using the internet in dollars is given by,

$y=\frac{3}{4}x$

Where x is the number of minutes spent on the internet.

In this problem, we have to find how many minutes will 6 dollars buy. In other words, we have to find x for y = 6. To solve the given equation for x, we have to multiply both sides by 4,

$\begin{gathered} 4y=4\cdot\frac{3}{4}x \\ \\ 4y=3x \end{gathered}$

And divide both sides by 3,

$\begin{gathered} \frac{4y}{3}=\frac{3x}{3} \\ \\ \frac{4y}{3}=x \end{gathered}$

So, for y = 6, x is,

$x=\frac{4\cdot6}{3}=\frac{24}{3}=8$

Hence, $6 will buy 8 minutes.

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1 year ago

If elephant grass grows 2 1/5 inches a day, how many inches will it grow in 8 days?

GuDViN [60]

Answer:

2 1/3 * 8 = 16 8/3 or 18 2/3 inches in 8 days.

Step-by-step explanation:

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3 years ago

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solmaris [256]

Answer:

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Step-by-step explanation:

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3 years ago

Can you help me with this, please?

Aloiza [94]

Answer:

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Step-by-step explanation:

$(x_1, y_1) = (16, 4) \ \ \ and \ \ \ (x_2, y_2) = (17, 5)$

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$y-y_1 =\frac{y_2-y_1}{x_2-x_1} (x-x_1)$

$y-4 =\frac{5-4}{17-16} (x-16)$

$y =(x-16)+4$

$y =x-12$

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3 years ago