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Allushta [10]
2 years ago
9

39​% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name his or her favorit

e nut. Find the probability that the number who say cashews are their favorite nut is​ (a) exactly​ three, (b) at least​ four, and​ (c) at most two. If​ convenient, use technology to find the probabilities
Mathematics
1 answer:
kvv77 [185]2 years ago
8 0

Step-by-step explanation:

39% * 12 = x

39%/100

0.39 * 12 = x

4.68 = x

Remember to convert the percentage to decimal, or the opposite.

divide by 100 for decimal, and multiply for percentage.

Hope that help!

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Simplify. Can you explain it also?
Doss [256]

Answer:

The answer is

<h2>\frac{3c}{4e}</h2>

Step-by-step explanation:

<h3>\frac{9 {c}^{3}d {e}^{2}  }{12 {c}^{2} d {e}^{3} }</h3>

To solve the fraction reduce the fraction with d

That's we have

<h2>\frac{9 {c}^{3}  {e}^{2} }{12 {c}^{2} {e}^{3}  }</h2>

Next simplify the expression using the rules of indices to simplify the letters in the fraction

<u>For c </u>

Since they are dividing we subtract the exponents

We have

<h2>{c}^{3}  \div  {c}^{2}  =  {c}^{3 - 2}  = c^{1}  = c</h2>

<u>For </u><u>e</u>

<h2>e^{2}  \div  {e}^{3}  = e^{2 - 3}  =  {e}^{ - 1}  =  \frac{1}{e}</h2>

Substituting them into the expression we have

<h2>\frac{9c}{12e}</h2>

Reduce the fraction by 3

We have the final answer as

<h2>\frac{3c}{4e}</h2>

Hope this helps you

8 0
3 years ago
Leon spins both spinners. How many outcomes are in the sample space?
Artist 52 [7]

Answer:

20 Outcomes.

Step-by-step explanation:

A-1 A-2 A-3 A-4

B-1 B-2 B-3 B-4

C-1 C-2 C-3 C-4

D-1 D-2 D-3 D-4

E-1 E-2 E-3 E-4

Hope this helps!

5 0
3 years ago
at the airport, parking lot a charges $3.00 to enter and $9.00 per day to park. parking lot b charges $10.00 to enter and $6.00
jenyasd209 [6]
Parking lot A equation- $3.00 + $9.00x
Parking lot B equation- $10.00 + $6.00x

Part A- For 3 days parking lot B would be the better option- $28

Part B- For 8 days parking lot B would also be the better option- $58
7 0
3 years ago
Read 2 more answers
Silvio wants to find the perimeter of quadrilateral ABCD. He begins by computing the length of side AB using the distance formul
saveliy_v [14]

Answer:

20

Step-by-step explanation:

AB = √(-4)² + (-3)²

AB = √ 16 + 9

AB = √ 25

AB = 5

AD = 4 ; DC = 4 ; BC = 7

Perimeter = 5 + 4 + 4 + 7 = 20 units

3 0
2 years ago
What is a factor of 15xy-45x-6y+18?<br><br> A. Y-2<br> B. 5x-3<br> C. 5x-2<br> D. Y-6
AfilCa [17]
Factor the following:
15 x y - 45 x - 6 y + 18
Factor 3 out of 15 x y - 45 x - 6 y + 18:
3 (5 x y - 15 x - 2 y + 6)
Factor terms by grouping. 5 x y - 15 x - 2 y + 6 = (5 x y - 2 y) + (6 - 15 x) = y (5 x - 2) - 3 (5 x - 2):
3 y (5 x - 2) - 3 (5 x - 2)
Factor 5 x - 2 from y (5 x - 2) - 3 (5 x - 2):
Answer:  3 (5 x - 2) (y - 3)
8 0
3 years ago
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