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3 years ago

1/8 of a number is -4200. What is the number: -33,600 -37 800 -42,000 -42,800

Mathematics

1 answer:

Sav [38]3 years ago

8 0

Answer:

-33,600

Step-by-step explanation:

you already know that -4200 is 1/8 of the number so all you have to do is multiply -4200 by 8 and that gives -33,600.

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One side of a triangle is half the longest side. The third side is

Illusion [34]

Answer:

The length of the sides are 9 units, 18 units and 11 units

Step-by-step explanation:

Let

x ----> one side of the triangle

y ----> the longest side of the triangle

z ----> the third side of the triangle

we know that

The perimeter of triangle is equal to

$P=x+y+z$

we have

$P=38\ units$

$38=x+y+z$ ----> equation A

$x=\frac{y}{2}$ -----> equation B

$z=y-7$ ----> equation C

substitute equation B and equation C in equation A

$38=\frac{y}{2}+y+(y-7)$

solve for y

$38=\frac{5}{2}y-7$

$\frac{5}{2}y=38+7$

$\frac{5}{2}y=45$

$y=45(2)/5$

$y=18\ units$

<em>Find the value of x</em>

$x=\frac{y}{2}$ ---> $x=\frac{18}{2}=9\ units$

<em>Find the value of z</em>

$z=y-7$ ----> $z=18-7=11\ units$

therefore

The length of the sides are 9 units, 18 units and 11 units

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3 years ago

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Yakvenalex [24]

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Step-by-step explanation:

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Answer:

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Answer:

Step-by-step explanation:

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