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3 years ago

A fair spinner has 9 equal sections: 2 red, 3 blue and 4 green.

Mathematics

1 answer:

Alex17521 [72]3 years ago

3 0

Answer:

The Probability of not getting two consecutive reds is 0.9506

Step-by-step explanation:

Number of sections = 9

Number of red sections = 2

Number of blue sections = 3

Number of green sections = 4

Probability of getting two consecutive reds = $\frac{2}{9} \times \frac{2}{9}=\frac{4}{81}$

So,The Probability of not getting two consecutive reds = $1- \frac{4}{81}=\frac{77}{81}=0.9506$

Hence The Probability of not getting two consecutive reds is 0.9506

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An animal shelter spends $1.50 per day to care for each cat and $3.50 per day to care for each dog. Gianna noticed that the shel

horrorfan [7]

Answer:

2 cats were cared for

Step-by-step explanation:

c= cats

d=dogs

c+d =7

1.5c+3.5d=20.50

c+d =7

solve for d

d = 7-c

substitute into 1.5c+3.5d=20.50

1.5 c + 3.5 (7-c) = 20.50

distribute

1.5c +24.5 -3.5 c = 20.5

combine like terms

24.5 -2c =20.5

subtract 24.5 from each side

-2c = -4

divide by -2

c =2

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2 years ago

Choose the situation in which the use of exact number is most appropriate.

Lelu [443]

Ordering laptops. Much more expensive. Higher consequences.

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2 years ago

What is the first step to solve number one??

Romashka-Z-Leto [24]

By PEMDAS (or any alternative), <em>the first step should be to divide</em>, as D comes before A. So, 16 ÷ 4.

3 0

2 years ago

Read 2 more answers

If x represents an even number, which expression represents an odd number?

Sauron [17]

Test the choices !
Pick an even number, and see what each choice does to it.

Let's start with, say, 6 .
We'll try each choice, and see which one produces an odd number:

a). 6 to the 2nd power. . . . . . 6 x 6 = 36. That's not an odd number.

b). 6 + 3 = 9 This could be it. 9 is odd. We'll save this one.

c). 3·6 = 18. That's not an odd number.

d). 6/3 = 2. That's not an odd number.

The only one that gave us an odd number is (b).

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3 years ago

At the local gas station gasoline costs $2.75 for per gallon and diesel costs $3.02 per gallon. Gabriel needs to purchase 15.2 g

Ainat [17]

Answer:

The total amount paid by Gabriel at the local gas station is $70.49.

Step-by-step explanation:

Cost of gasoline per gallon = $2.75

Cost of diesel per gallon = $3.02

Amount of gasoline Gabriel needs = 15.2 gallons

Amount of diesel Gabriel needs = 9.5 gallons

Compute the total amount paid by Gabriel at the local gas station as follows:

Total Cost = Cost of gasoline × Amount of gasoline

+ Cost of diesel × Amount of diesel

$=(2.75\times 15.2)+(3.02\times 9.5)\\\\=41.8+28.69\\\\=70.49$

Thus, the total amount paid by Gabriel at the local gas station is $70.49.

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2 years ago