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3 years ago

15

Which fraction is equivalent to -3/2?3/-2-(3/-2)-3/-2-(-3/2)

1 answer:

Irina18 [472]3 years ago

8 0

The answer is 3/-2 hope that helps!

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What is the volume of the following rectangular prism?<br> 4 units<br> Volume =<br> I units

lord [1]

Answer:

sorry i dont quite understand, were you given more information

Step-by-step explanation:

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3 years ago

Every day for 5 days Jack and Jill went walking. Each day Jack walked 4/5 of a mile and Jill walked 2/3 of a mile. At the end of

DanielleElmas [232]

$\bf \stackrel{\textit{Jack for 7 days}}{7\left( \cfrac{4}{5} \right)}\implies \cfrac{28}{5}~\hspace{10em}\stackrel{\textit{Jill for 7 days}}{7\left( \cfrac{2}{3} \right)}\implies \cfrac{14}{3}
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3 years ago

The average value of two positive numbers is 30% less than one of the two numbers. By which percentage is average value bigger t

Viefleur [7K]

Answer:

75% bigger

Step-by-step explanation:

Let the first number be x and the second be y.

So:

$Average = \frac{x + y}{2}$

And:

$Average = (1 - 30\%) * x$ -----30% less than x

Substitute $Average = (1 - 30\%) * x$ in $Average = \frac{x + y}{2}$

$\frac{x + y}{2} = (1 - 30\%) * x$

$\frac{x + y}{2} = (1 - 0.30) * x$

$\frac{x + y}{2} = 0.70 * x$

$\frac{x + y}{2} = 0.70x$

Cross multiply

$x + y = 0.70x * 2$

$x + y = 1.40x$

Collect like terms

$1.40x - x = y$

$0.40x = y$

Make x the subject

$x = \frac{y}{0.40}$

$x = 2.50y$

So, the average is:

$Average = (1 - 30\%) * x$

$Average = (1 - 30\%) * 2.50y$

$Average =0.70 * 2.50y$

$Average =1.75y$

Rewrite as:

$Average =(1 + 0.75)y$

Express as percentage

$Average =(1 + 75\%)y$

This means that the average is 75% bigger than the second number

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3 years ago

In a group of 31 students, 7 study both Art and Biology.

ale4655 [162]

Answer:

it is 358

Step-by-step explanation:

Hope this helped have an amazing day!

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3 years ago

The function f(x) is graphed on the coordinate plane. What is f(−4) ?

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If you are trying to find the degree of f(-4) the answer is 1.

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3 years ago