Brian flips two coins. How many are in the sample space for flipping two coins?

Answers

Answer 1

Answer: Heads: 50%
Tails: 50%
Total: 50 50 chance

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larissa asked 40 students to name their favorite food. 10 students said their favorite food was pizza. What percent of the students survayed said their favorite food was pizza?
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What if the 360 cubic-inch paving stones are 4 inches thick and any whole number length and width are possible? How many different paving stones could be made? Suppose that the cost of having stone is $2.50, plus $0.18 for every 4 cubic inches of concrete how much would each paving stone cost?

Help!! A cylindrical water tank is being filled with a hose. The depth of the water increases by 1 1/4 ft per hour. How many hours will it take for the water level in the tank to be 3 1/2 ft deep? Enter your answer as a mixed number

Answers

Depth: 7/2 feet
Rate: 5/4 feet per hour

Time = depth / rate of filling
Time = 7/2 / 5/4
Time = 14/5
Time = 2 4/5 hours

Rate : 1 1/4 ft per hour = 5/4 ft per hour
Depth : 3 1/2 = 7/2 ft
7/2 : 5/4 = 7/2 * 4/5 = 28/10 = 14/5 = 2 4/5
Answer:
2 4/5 hours.

Allen has a photo that is 6in by 8in what will the dimension of the photo be if he scales it down by a factor of 1\2

Answers

A photo of 6 and 8 is scaled down to 1/2 the size
To find this, you multiply both by 1/2 or divide by 2
The new dimensions are 3 by 4
6 divided by 2=3
8 divided by 2=4

Amelia measured the elementary school and made a scale drawing. The scale of the drawing was 11 millimeters : 4 meters. If the schoolyard is 484 millimeters long in the drawing, how long is the actual schoolyard?

Answers

Answer: 176m

Step-by-step explanation:

First we have to convert the meters in the scale to millimeters

4m = 4*1000mm

Now we got the scale 11:4000

11x = 4000 * 484
x= (4000*484)/11
x = 4000 * 44
x = 176000mm = 176m

176 meters
Ex: In the drawing 484 millimeters so 44x11 millimeters: 176

Which mixed number is equal to 6.75? A. 6 75 / 1000

B. 6 5 / 7

C. 6 3 / 4

D. 67 / 5

Help Please!!!!

Answers

C. 6 3/4

Because: 6 is our whole number inside 6.75, now, we know the whole number in the fraction. Also, it must be a mixed number, that means it must contain a whole number and a fraction.

3/4 = .75
6 = 6

6.75 = 6 3/4

6.75
= 6+ 0.75
= 6+ 75/100
= 6+ 3/4
= 6 3/4

The correct answer is C. 6 3/4~

Out of a group of 120 students that were surveyed about water sports, 28 said they ski and 52 said they wakeboard. 16 of the students who said they ski said they also wake board. If a student is chosen at random, find
P( skiſ does not wake board)

Answers

Answer:

10% of the students ski and do not wake board

Step-by-step explanation:

The total number of students is 120. 28 students ski while 52 students wake board. 16 of the students ski and wake board.

Let S represent students who ski and W represent those who wake board also W' represent those who do not wake board.

Therefore:

S = 28

W = 52

n = total number of student = 120

S ∩ W = those who ski and wake board = 16

Those who ski and do not wake board = S ∩ W' = S - (S ∩ W) = 28 - 16 = 12

Probability of those who ski and do not wake board = (S ∩ W') / n = 12 / 120 = 0.1 = 10%

10% of the students ski and do not wake board

5/8b-3=12 how do i do this

Answers

Well you’re solving for B, which would leave your answer to be 24. Simplify big sides of the equation and isolate the variable and you get 24

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