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3 years ago

Craig has 20 video games. Out of these 20 video games, 45% are sports games.

Mathematics

1 answer:

Setler79 [48]3 years ago

4 0

20 games * 0.45 = 8 games.
shade 8 units

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2 years ago

Can anyone help pls!!!!

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3 years ago

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The quotient of two numbers is negative. It must be true that _____.

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It must be true that one of the numbers is negative. Hope that helps!!

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3 years ago

A piece of string is 144 inches long. Isabel wants to cut it into 2 pieces so that one piece is five times as long as the other.

Alex Ar [27]

Answer:

24 inches
120 inches

Step-by-step explanation:

The lengths can be found by considering their ratio:

short : long = 1 : 5

The sum of the ratio units is 1+5 = 6, and the sum of the lengths is 144 inches. That means each "ratio unit" stands for (144 in)/6 = 24 inches of length.

The lengths are ...

1 : 5 = 24 in : 120 in

The pieces are 24 inches and 120 inches in length.

Equivalently, you can let s represent the shorter length. Then 5s is the longer one, and their total is ...

s +5s = 144

s = 144/6 = 24

5s = 5(24) = 120

The lengths are 24 inches and 120 inches.

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2 years ago

What two numbers multiply and get 100 and add and get -29??

butalik [34]

X, y - the numbers

The numbers multiply to 100.
$xy=100$

The numbers add up to -29.
$x+y=-29 \\
y=-x-29$

Substitute -x-29 for y in the first equation:
$x(-x-29)=100 \\
-x^2-29x=100 \\
-x^2-29x-100=0 \\
-x^2-4x-25x-100=0 \\
-x(x+4)-25(x+4)=0 \\
(-x-25)(x+4)=0 \\
-x-25=0 \ \lor \ x+4=0 \\
x=-25 \ \lor \ x=-4 \\ \\
y=-x-29 \\
y=-(-25)-29 \ \lor \ y=-(-4)-29 \\
y=25-29 \ \lor \ y=4-29 \\
y=-4 \ \lor \ y=-25 \\ \\
(x,y)=(-25,-4) \hbox{ or } (x,y)=(-4,-25)$

The numbers are -4 and -25.

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3 years ago

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