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sergey [27]
3 years ago
10

If a tree diagram were drawn to determine the number of possible outcomes when choosing one of 2 shirts, one of 7 ties , and one

of 4 jackets, how many leaves would that be?
Mathematics
2 answers:
uysha [10]3 years ago
8 0
2x7x4=56

brainliest G:)))))))

djyliett [7]3 years ago
5 0

Answer:

Number of leaves = 56   

Step-by-step explanation:

Number of shirts to be chosen = 2

Number of tie to be chosen = 7

Number of jackets to be chosen = 4

We need to find the number of leaves if a tree diagram is made by using the above given information.

When making a tree diagram :

Number of shirts chosen = 2

⇒ Number of leaves = 2

Now, choosing one of 7 ties

⇒ Number of leaves = 2 × 7

Then choosing one of 4 jackets

⇒ Number of leaves = ( 2 × 7 ) × 4

Therefore, Total number of leaves in the tree diagram = ( 2 × 7 ) × 4

                                                                                           = 56

Thus, Number of leaves = 56

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Kamila [148]

Answer:

Area of shaded region ≈ 192.42

Step-by-step explanation:

21/2 = radius

radius = 10.5 m

A = πr squared

Area of shaded region≈346.36

10.5 - 3.5 = 7

Area of unshaded region ≈ 153.94

346.36 - 153.94 = 192.42

8 0
3 years ago
A large school district in southern California asked all of its eighth-graders to measure the length of their right foot at the
Ber [7]

Answer:

The probability of the sample mean foot length less than 23 cm is 0.120

Step-by-step explanation:

* Lets explain the information in the problem

- The eighth-graders asked to measure the length of their right foot at

  the beginning of the school year, as part of a science project

- The foot length is approximately Normally distributed, with a mean of

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∴ μ = 23.4 cm

- The standard deviation of 1.7

∴ σ = 1.7 cm

- 25 eighth-graders from this population are randomly selected

∴ n  = 25

- To find the probability of the sample mean foot length less than 23

∴ The sample mean x = 23, find the standard deviation σx

- The rule to find σx is σx = σ/√n

∵ σ = 1.7 and n = 25

∴ σx = 1.7/√25 = 1.7/5 = 0.34

- Now lets find the z-score using the rule z-score = (x - μ)/σx

∵ x = 23 , μ = 23.4 , σx = 0.34

∴ z-score = (23 - 23.4)/0.34 = -1.17647 ≅ -1.18

- Use the table of the normal distribution to find P(x < 23)

- We will search in the raw of -1.1 and look to the column of 0.08

∴ P(X < 23) = 0.119 ≅ 0.120

* The probability of the sample mean foot length less than 23 cm is 0.120

4 0
3 years ago
What is the minum of two colors needed?​
Alexus [3.1K]
4 colour needed for this…i think
8 0
2 years ago
Can you help find the inverse of the functions? (15 points)
anyanavicka [17]

hi so for the first exercise it’s the 3rd and for the second exercise it’s the first

Step-by-step When you have to find the inverses of numbers the sign ( -or+ ) never change see: the inverse of 2 is 1/2 or the inverse of (x+7)/(3x-5) is (3x-5)(x+7), hope you’ll understand : )

6 0
3 years ago
(8 x 3) + (8 x 2) = 8 x (blank + blank)
kakasveta [241]

Step-by-step explanation:

(8 x 3) + (8 x 2) = 8 x (3 + 2)

24 + 16 = 8 * 5

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Hope it will help :)❤

8 0
2 years ago
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