3 years ago

Multiply and simplify

Mathematics

1 answer:

Masteriza [31]3 years ago

6 0

The correct answer is c) 18x^5 y^4 z

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Strike441 [17]

Step-by-step explanation:

++++5

+++++++_2

1=false

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false

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1 year ago

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last week breana Bowen's computer for 10% off the advertised price the advertised price was 1800 how much did Rihanna have to pa

Rina8888 [55]

She had to pay 1620 for the computer

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3 years ago

2x +3y -x-(8+1) HELP ME PLEASE! ANYBODY I NEED HELP! PLEASE

sergij07 [2.7K]

Answer:

7x+3y

Step-by-step explanation:

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3 years ago

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How many ways can a dance instructor send 4 of her 11 students to a summer dance program?

Sedaia [141]

Answer:

d) 330

Step-by-step explanation:

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is C(11 , 4)

That is $11_{C_{4} }$ ways

by using formula $n_{C_{r} } = \frac{n!}{(n-r)!r!}$

now simplification

$11_{C_{4} } = \frac{11!}{(11-4)!4!}$

= $\frac{11X10X9X8X7!}{(7!)4X3X2X1}$

after cancelling 7! and on simplification

= $\frac{11X10X9X8}{4X3X2X1}$

after cancellation we get 330 ways

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330

8 0

3 years ago

A right cylinder ice cream cone has 600 cubic centimeters of ice cream, what is the radius of the cone of the height is 15 centi

choli [55]

The formula for volume is V=Bh where B is the area of the base.
plug in what they have given you:
600=B(15) you can divide both sides by 15

40=B We know that a cylinder's base is a circle so we can use the area f formula for a circle to solve for the radius.
40 = pi(r)^2 divide both sides by pi to get the r^2 alone
40/pi=r^2 square root both sides to get rid of the square
you should get
r=3.5 approximately

7 0

3 years ago