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Tom [10]
3 years ago
6

a class of 25 students has 15 girls and 10 boys.If one student is chosen at random,what is the probability it is a girl

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0

Answer:60% probability it will be a girl

Step-by-step explanation:

P(the chosen student is a girl) = 15/25

P(the chosen student is a girl) = 0.6 or 60%

The probability that the chosen student is a girl is 60%.

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A recipe for pie dough calls for a ratio of butter to flour of 1/4 :5/6.If you plan to use 5 cups of flour,how much butter shoul
Komok [63]

Answer:

\frac{3}{2}  cups of butter should be use to keep the same ratio.

Step-by-step explanation:

Given:

A recipe for pie dough calls for a ratio of butter to flour of 1/4 :5/6.

If you plan to use 5 cups of flour.

Now, to find the butter should be used to keep the same ratio.

So, to get the quantity of butter by using unitary method:

If, \frac{5}{6}  cup of flour use then butter should be = \frac{1}{4} .

So, 1 cup of flour use then butter should be = \frac{1}{4} \div \frac{5}{6} =  \frac{6}{20} .

Thus, for 5 cups of flour butter should be = \frac{6}{20} \times 5 = \frac{30}{20}=\frac{3}{2} .

Therefore, \frac{3}{2} cups of butter should be use to keep the same ratio.

5 0
3 years ago
Find the diameter when the circumference is 47.1 in
MissTica

C = pi x d

3,14 x d = 47,1

d = 15

3 0
2 years ago
Can someone also explain how to get the answer thank u
goblinko [34]

Answer:

m = -\frac{194}{3}

Step-by-step explanation:

I'm assuming you are trying to find m. In order to do so, you need to get m on one side.

Before doing that let's multiple -2 and -3m by \frac{4}{3}

256=-\frac{8}{3} - 4m

add -\frac{8}{3} to both sides

258\frac{2}{3}=-4m

I would get rid of the fraction so I'd multiply both sides by \frac{3}{1}

\frac{776}{3}*3 = 4m*3

776=-12m

divide both sides by -12m

m = -\frac{776}{12}

which can be simplified to

m = -\frac{194}{3}

ALL UNLESS THAT \frac{4}{3} IS A POWER

3 0
2 years ago
State the horizontal asymptote of the rational function. For full credit, explain the reasoning you used to find the horizontal
Rzqust [24]

So here are the rules of horizontal asymptotes:

  • Degree of Numerator > Degree of Denominator: No horizontal asymptote
  • Degree of Numerator = Degree of Denominator: y=\frac{\textsf{leading coefficient of numerator}}{\textsf{leading coefficient of denominator}}
  • Degree of Numerator < Degree of Denominator: y = 0

Looking at the rational function, since the degree of the numerator is 2 and the degree of the denominator is 1 (and 2 > 1), this means that <u>this function has no horizontal asymptote.</u>

5 0
2 years ago
What is 14.876 - 4.96
d1i1m1o1n [39]

Answer:

9.916 is the answer

4 0
3 years ago
Read 2 more answers
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