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astraxan [27]
3 years ago
5

NEED HELP

Mathematics
1 answer:
Margaret [11]3 years ago
4 0
Sorry I'm gonna take a guess.......... d?
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If you have a semi-circle with a diameter of 8.6ft, what's the semi-circles area?
galben [10]
So,

The diameter is 8.6ft.  We need to convert to radius.

2 radius = 1 diameter

8.6/2 = 4.3 ft.

\pi r{2}

\pi  4.3^{2}

\pi 18.49

3.14(18.49)

58.0586ft.²

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29.0293ft.²
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From a standard deck of 54 cards what is the probability of randomly drawing a 5 or queen
zepelin [54]
Since there are 4 different 5's and 4 different queens then your chance would be 8/54
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3 years ago
harmaine spent a total of $20 at the grocery store. Of this amount, $9 she spent on fruit. What percentage of the total did she
zheka24 [161]

Answer:

45%

Step-by-step explanation:

First, let's set up a fraction of how much money she spent for fruit out of the total amount of money she spent.

\frac{9}{20}

For a percentage, we need a fraction out of 100. To do this, we can multiply  the fraction by 5/5 (5*20=100). Notice we can only do this since 5/5 is equivalent to 1, so you are technically multiplying the fraction by 1.

\frac{9}{20}*\frac{5}{5}=\frac{45}{100}

A percentage is just the numerator of a number over 100 therefore it is equal to...

45%

8 0
2 years ago
3/4 of a class are girls. 1/3 of the girls wear bows in their hair. What fraction of the class are girls with bows in her hair
Svetradugi [14.3K]

Answer:

Step-by-step explanation:

1/3 * 3/4 = 1/4

7 0
3 years ago
Which of you nice people are going to give me the answer to this question.
Novay_Z [31]
Is D the answer I think am not that sure I try my best
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