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ser-zykov [4K]
3 years ago
15

5^-2 written as a positive exponent

Mathematics
1 answer:
azamat3 years ago
5 0
1/25 is the positive exponent of 5^-2
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Pedro is building a playground in the shape of a right triangle. He wants to know the area of the playground to help him decide
Bumek [7]

Answer:

Dimensions of rectangle:

Length =6 yards

Width=3 1/3 yards

Area of right triangle = 10 yd^2

Step-by-step explanation:

The right triangle has base as 6 yards and height as 3 1/3 of yards.

When we match this triangle with another right triangle to make  the rectangle is another right triangle with sides 6 yards and 3 1/3 yards.

I'll upload the file for work.

5 0
3 years ago
What is the value of 6 divided by 3/8
V125BC [204]
16 because 3 divided by 8 is 0.375 and 6 divided by 0.375 is 16.
3 0
2 years ago
Is 1/4 the answer to this what ratio forms a porportion with 8/36
Svetlanka [38]
No.
1/4 would be proportional to 9/36.

8/36 can be simplified to 4/18, and further reduced to 2/9.
3 0
3 years ago
Assume that when adults with smartphones are randomly​ selected, 52​% use them in meetings or classes. If 14 adult smartphone us
emmasim [6.3K]

The probability that fewer than 4 of then use their smart phones in meetings  or classes is 0.00030243747.

Step-by-step explanation:

Fewer than 4 means ,less than 4 which is any number less than 4 and not including 4. This is 3, 2,1 and 0. So you find the probability that exactly 3 of then use their smart phone, exactly 2 of them use their smart phones, exactly 1 of them use his/her smart phone and none of them.

Given that 52% use smartphones in meetings and classes =0.52

Thus the remaining 48% do not use smartphones in meetings and classes=0.48

For C(14,3) you will have "14 chose 3", number of ways of choosing 3 out of 14'

=(0.52)³ *(0.48)⁹=0.00019018714

For C(14,2) you will have "14 chose 2", number of ways of choosing 2 out of 14

=(0.52)²*(0.48)¹²=0.00004044841

For C(14,1) you will have "14 chose 1", number of ways of choosing 1 out of 14

=(0.52)¹*(0.48)¹³=0.000037337

For  C(14,0) you will have "14 chose 0", number of ways of choosing 0 out of 14

=(0.52)⁰*(0.48)¹⁴=1*0.00003446492=0.00003446492

The probability that fewer than 4 of them use their smartphones in meetings or classes will be

0.00019018714 +0.00004044841+0.000037337+ 0.00003446492=0.00030243747

Learn More

  • Binomial random variable https://brainly.in/question/10088120

Keywords : Probability, random variable, binomial distribution

#LearnwithBrainly

4 0
3 years ago
3b-2a <br>Need help on assignment ​
Bond [772]
Answer: -2a + 3b

Solution:

3b - 2a
Simplify

= -2a + 3b
8 0
2 years ago
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