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laila [671]
3 years ago
10

Write the ratio as a fraction in simplest form.

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

Part 1) \frac{5}{2}  or  5:2

Part 2) \frac{8}{1}  or  8:1

Step-by-step explanation:

Write the ratio as a fraction in simplest form

Part 1) 15 girls to 6 boys

we know that

To find out the ratio, divide the number of girls by the number of boys

so

\frac{15}{6}

Simplify

Divide by 3 both numerator and denominator

\frac{5}{2}\ \frac{girls}{boys}

Part 2) 24 plays for 3 teams

we know that

To find out the ratio, divide the number of plays by the number of teams

so

\frac{24}{3}

Simplify

Divide by 3 both numerator and denominator

\frac{8}{1}\ \frac{plays}{team}

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Answer: Our required probability is 0.004672.

Step-by-step explanation:

Since we have given that

Number of adults = 7

Probability of getting adult will watch prime time TV live = 0.8

We need to find the probability that fewer than 3 of the selected adults watch prime time live.

We will use "Binomial Distribution":

here, n = 7

p = 0.8

So, P(X<3)=P(X=0)+P(X=1)+P(X=2)

So, it becomes,

P(X=0)=(1-0.8)^7=0.2^7=0.0000128

P(X=1)=^7C_1(0.8)(0.2)^6=0.0003584\\\\P(X=2)=^7C_2(0.8)^2(0.2)^5=0.0043

So, probability that fewer than 3 of the selected adult watch prime time live is given by

0.0000128+0.0003584+0.0043=0.004672

Hence, our required probability is 0.004672.

6 0
3 years ago
Use the graph to find the slope and y-intercept to write
yaroslaw [1]

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y= -1/2x + -1

Step-by-step explanation:

7 0
2 years ago
Write the equation you would use to solve each problem; then solve.
makkiz [27]
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3 0
3 years ago
What is the set of inputs called? HELPP
GalinKa [24]

Answer:

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Step-by-step explanation:

7 0
2 years ago
A snowcone cup at the country fair is 15 cm tall and has a diameter of 8 cm if the cup is full just the top what is the volume o
slavikrds [6]

Answer:

2827 cubic centimetre

Step-by-step explanation:

The cup is cylindrical in shape and it is full to the top.

The height of the cup is 15 cm and its diameter is 8 cm (radius = 4 cm).

The volume of a cylinder is given as:

V = \pi r^2h

where r = radius

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The volume of the liquid in the cup is:

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V = 2827.43 cubic centimetre ≅ 2827 cubic centimetre

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3 years ago
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