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3 years ago

8/9 * 7/1 =(/ is fraction and * is times)

Mathematics

2 answers:

UNO [17]3 years ago

6 0

The answer is 6.2 rounded

natima [27]3 years ago

5 0

Apply the rule a/1 = a
7 * 8/9
Convert this element into a fraction. 7 = 7/1
8/9 * 7/1
Multiply the fractions!
8 * 7/9 * 1
7 * 8/9
56/9

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Paul and Darry are selling fruit for a school fundraiser. Customers can buy small boxes of grapefruit. Paul sold 5 boxes of grap

const2013 [10]

Answer:

Step-by-step explanation:

Alright, lets gets started.

If x is the price of small box and y is the price of large box.

You have made both equations, absolutely correct.

$5x+8y=115$ .................. equation (1)

$6x+5y=92$ .................... equation (2)

Multiplying by 5 in equation (1) and multiplying by 8 in equation (2)

$25x+40y=575$ .................. equation (3)

$48x+40y=736$ ................... equation (4)

Subtracting equation 4 and equation (3)

$48x-25x=736-575$

$23x=161$

$x=7$

Plugging the value of x in equation (1)

$5*7+8y=115$

$35+8y=115$

$8y=115-35$

$8y=80$

$y=10$

So, cost of 5 large box of fruit = $5y = 5*10=50$

one small box of grapefruit and 5 large box of grapefruit will be = $7+50=57$

So, cost of each of one small box of grapefruit and 5 large box of grapefruit is $ 57. : Answer

Hope it will help :)

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monitta

Y=10x+20
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I think the answer is D.

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Answer:

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Step-by-step explanation:

We have the following function:

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So it freezes after t minutes, and t is found when C(t) = 0. So

$C(t) = 80 - 2t$

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$t = \frac{80}{2}$

$t = 40$

Relevant domain:

Input value of the function, which is in minutes. So between 0(initial) and 40(when the water freezes).

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