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3 years ago

What is 5/8 times 7/9?

Mathematics

2 answers:

Vladimir79 [104]3 years ago

8 0

35/72. Multiply numerators and then multiply denominators then simplify. :)

12345 [234]3 years ago

8 0

35/72. I divide. 0.486111111111111

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Rename 120,000 = ten thousands

djverab [1.8K]

Stop at the ten thousands column - so it is equal to 12 ten thousands
Check: 12 x 10,000 = 120,000

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4 years ago

Solve for y in the following equation. x+2y=z

Galina-37 [17]

Answer:

The Answer:

Step-by-step explanation:

x+2y=z

minus x both sides

2y=z-x

divide by 2 both sides

The Answer:

$y = \frac{z - x}{2}$

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4 years ago

A circle with a radius of 3cm sits inside of a circle with a radius of 5cm. What is the area of the Shaded Region? Round your an

tresset_1 [31]

Answer:

$A=50.27\ cm^2$

Step-by-step explanation:

<u><em>The complete question is</em></u>

A circle with a radius of 3 cm sits inside of a circle with a radius of 5 cm. What is the area of the Shaded Region?

The shaded region is the area outside the smaller circle and inside the larger circle

we know that

The area of the shaded region is equal to subtract the area of the smaller circle from the area of the larger circle

Remember that

The area of the circle is equal to

$A=\pi r^{2}$

The area of the shaded region is

$A=\pi [r_1^2-r_2^2]$

where

$r_1=5\ cm$

$r_2=3\ cm$

substitute

$A=\pi [5^2-3^2]$

$A=\pi [16]$

$A=16\pi\ cm^2$

assume

$\pi =3.1416$

substitute

$A=16(3.1416)=50.27\ cm^2$

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3 years ago

Simplify 18 cos Ø (algebra)

ArbitrLikvidat [17]

Answer:

that's as simple as it gets

Step-by-step explanation:

"Simplify" usually means "combine like terms, rationalize the denominator, reduce radicals to the greatest extent, cancel common factors from fractions, eliminate parentheses," and the like.

When a function of a single variable is multiplied by a single constant, there is no simplification that can be done.

18cos(Ф)

_____

If your ∅ is supposed to be zero, then cos(0) = 1 and it simplifies to 18.

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4 years ago

Identify the coefficient of 2×y3

Gennadij [26K]

The coefficient of $2y^{3}$ is 2.

_____
You have used the symbol for "times." If you mean x (the variable), the answer is still the same. The coefficent of $2xy^{3}$ is still 2.

3 0

3 years ago