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kaheart [24]
3 years ago
11

Simplify: 125 A) 5 B) 10 C) 15 D) 20

Mathematics
1 answer:
WINSTONCH [101]3 years ago
8 0

Answer:

A)5

Step-by-step explanation:

5 times 5 times 5=125

I assume this is what you were looking for, also 5^3=125

I hope this helps u pls give a brainliest and a thx ;)

Let me know if i am not accurate in any way in the comments

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Suppose the probability of passing a driving test is 65%. (a) on a certain afternoon 15 people are tested. (i) what is the expec
Len [333]
In this current scenario,
Probability of passing, p = 65% = 0.65
Then,
Probability of not passing, q = 1-p = 1-0.65 = 0.35

Part (a): When 15 people are tested
(i) Number of people expected to pass
This is 65% of the 15 people tested. That is,
Number of people expected to pass = 0.65*15 = 9.75. This is rounded downwards as upward rounding will violate the 65% criteria.
Therefore,
Number of people expected to pass = 9 people.

(ii) Probability that 11 people are expected to pass the test
p(x=11) = [15Cx]*p^x*q^(15-x) = [15C11]*0.65^11*0.35^(15-11) = 0.1792 ≈ 17.92%

Part (b): Teenager determined to pass the test no matter how many times

(i) Probability that he passes the test the third time
This means that he will fail the first and second time. That is,
Probability pf passing the third time = q*q*p = 0.35*0.35*0.65 = 0.079625 = 7.9625%

(ii) Number of trials it takes to pass
This is a case of mathematical expected, E, that it takes before first occurrence of success. Normally,
E = 1/p
Substituting;
E = 1/0.65 = 1.54 ≈ 2
Therefore, at least two trials will be required.
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3 years ago
Science question down below
gulaghasi [49]
The answer for 15 is low pollution
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4 years ago
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Parallelogram JKLM is shown on the coordinate plane below:
Harlamova29_29 [7]

if JKLM is rotated 270° clockwise around the origin, the new vertices is at:

J'(-2, -6), K'(-6, -4), L'(-3, -3) and M'(1, -5)

Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, reflection, translation and dilation.

Rotation is the movement of a figure about a fixed point. If a point A(x, y) is rotated 270° clockwise around the origin, the new point is A'(-y, x).

The vertices of the parallelogram is at J(-6, 2), K(-4, 6), L(-3, 3) and M(-5, -1). Therefore if JKLM is rotated 270° clockwise around the origin, the new vertices is at:

J'(-2, -6), K'(-6, -4), L'(-3, -3) and M'(1, -5)

Therefore K′(−6, −4); L′(−3, −3) is the correct option

Find out more at: brainly.com/question/11707700

8 0
3 years ago
13.2 Area of Triangles<br> 2. Find the area of the triangle.<br> 14 ft<br> 17 ft
777dan777 [17]

Answer:

119

Step-by-step explanation:

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What is the estamate of 1374 times 6
Gemiola [76]
Hey!~

To make an "estimate", you can round 1374 to the nearest hundreds place, making it 1400. Next, all you need to do is do 1400*6, which is simply 8400.

Hope this helps and have a great day!

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3 years ago
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