3 years ago

HELP ASAP!!

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

Answer:

13.73 in^2 because the circle's area is 50.27 in^2

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A fair coin will be tossed three times. The possible outcomes are shown below:

Kamila [148]

There are 3 choices out of 8 that include two tails. 3/8 = .375 = 37.5%

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3 years ago

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Please help and show work!!

Paladinen [302]

B. Because 20 is greter than 18.

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Which statement is true about the equations -3x + 4y = 12 and 1/4x-1/3y= 1?

Contact [7]

Answer:

the third selection is corret

Step-by-step explanation:

Ax + by + c = 0, k = - a/b.

so The slope of the first line = $\frac{4}{3}$ ,

the slope of the second line = $\frac{4}{3}$ ;

So these two lines are parallel and they don't intersect

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2 years ago

Four members from a "55"person committee are to be selected randomly to serve as chairperson, vice-chairperson, secretary, an

liq [111]

Answer:

8,185,320 different leadership structures

Step-by-step explanation:

Since the order at which the members of the committee are chosen matters, this is a permutation of 4 out 55 people and it is given by:

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8,185,320 different leadership structures are possible.

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3 years ago

Find the product of (2a + 3b) (2a + 3b) using identities

Step2247 [10]

Answer:

4a^2 + 12ab + 9b^2.

Step-by-step explanation:

Use the identity (a + b)(a + b) = a^2 + 2ab + b^2 :

(2a + 3b)(2a + 3b)

= (2a)^2 + 2*(2a)(3b) + (3b)^2

= 4a^2 + 12ab + 9b^2.

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3 years ago