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3 years ago

15

10 of 12 balloons at James party are filled with helium. In the simplest form, what fraction of the balloons are filled with hel

ium

2 answers:

ki77a [65]3 years ago

8 0

U divide by 2 so it is 5/6

Greeley [361]3 years ago

3 0

5/6 you have to divide the top number and the bottom number by a number that goes into both

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If sin ⁡x=7/25, and 0 < x < π/2, what is cos⁡(x−3π/2)?

Likurg_2 [28]

Answer:

$Cos(x-\frac{3\pi}{2})=-\frac{7}{25}$

Step-by-step explanation:

Remember that $cos(x-y)=cos(x)cos(y)+sin(x)sin(y)$

Then,

$cos(x-\frac{3\pi}{2})=cos(x)cos(\frac{3\pi}{2})+sin(x)sin(\frac{3\pi}{2})\\$

But $cos(\frac{3\pi}{2})=0$ and $sin(x)=\frac{7}{25}$

Then

$cos(x-\frac{3\pi}{2})=cos(x)*0+\frac{7}{25}*sin(\frac{3\pi}{2})\\=\frac{7}{25}*(-1)=\frac{-7}{25}$

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3 years ago

PLEASE HELP ON 25! ASAP!!

andreyandreev [35.5K]

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3 years ago

How to evaluate an algebraic expression?

irinina [24]

"Evaluation" mostly means "simplifying an expression down to a single numerical value". Sometimes you will be given a numerical expression, wher all you have to do is simplify; that is more of an order-of-operations kind of question.

Hope this helped BTW can I have brainliest that would help me

8 0

3 years ago

A(n) __________ is a combination of more than one inequality

Hoochie [10]

Answer:

A compound inequality is a sentence with two inequality statements joined either by the word “or” or by the word “and.” “And” indicates that both statements of the compound sentence are true at the same time. It is the overlap or intersection of the solution sets for the individual statements.

Step-by-step explanation:

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3 years ago

A store wants to print flyers to a advertise its grand opening.A printer will charge $50 and 0.05 per flyer.If the store has a b

Kamila [148]

So it can be

x=number of flyers

50+0.05x=100

0.05x=50

x=1000 flyers

Hope this helps

7 0

3 years ago