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4 years ago

100 is 20% of what number?

Mathematics

1 answer:

Rus_ich [418]4 years ago

8 0

Answer:

500

20%=100

100%= 5×100=500 (cause 100 is 20%, and in 100% is five 20% so...)

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What is another way to write the ratio 3:4?

S_A_V [24]

You could write it as a fraction (3/4) or you could say "3 to 4".

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3 years ago

What is -5(3times-7+4y)

Mrac [35]

Steps To Solve:

-5(3 * -7 + 4y)

~Solve what's in parenthesis

-5(-21 + 4y)

~Distributive Property

105 - 20y

Hope This Helped! Good Luck!

7 0

3 years ago

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Elena and Jada are 24 miles apart on a path when they start moving toward each other. Elena runs at a constant speed of 5 miles

UNO [17]

It will take 3 hours

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3 years ago

Find the missing sides.

love history [14]

Answer:

Part 3)

$x=6\ units$

$y=3\ units$

Part 4) $x=18\sqrt{2}\ units$

Step-by-step explanation:

Part 3)

Find the value of x

In the right triangle of the figure we know that

The cosine of angle of 30 degrees is equal to the adjacent side to angle of 30 degrees divide by the hypotenuse

$cos(30\°)=\frac{3\sqrt{3}}{x}$

and remember that

$cos(30\°)=\frac{\sqrt{3}}{2}$

substitute

$\frac{\sqrt{3}}{2}=\frac{3\sqrt{3}}{x}$

Simplify

$x=(2*3)=6\ units$

Find the value of y

In the right triangle of the figure we know that

The sine of angle of 30 degrees is equal to the opposite side to angle of 30 degrees divide by the hypotenuse

$sin(30\°)=\frac{y}{x}$

and remember that

$sin(30\°)=\frac{1}{2}$

substitute

$\frac{1}{2}=\frac{y}{6}$

$y=6/2=3\ units$

Part 4) Find the value of x

Applying the Pythagoras Theorem

$x^{2} =18^{2} +18^{2} \\ \\x^{2} = 324+324\\ \\x^{2}=648\\ \\x=\sqrt{648}\ units$

Simplify

$x=18\sqrt{2}\ units$

6 0

3 years ago

Whats 56787577765445789990 times 3695669870

iVinArrow [24]

Answer:

2.0986814e+29

Step-by-step explanation:

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3 years ago

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