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tresset_1 [31]
3 years ago
14

I know y’all are smarter than me helpp me please

Mathematics
1 answer:
Kipish [7]3 years ago
6 0

Answer:

(b)

Step-by-step explanation:

Given

A roll of a six sided die

Required

Which of the options is true

A) P(Even) = 1/4 and P(Odd) = 3/4

In a die, we have:

S = \{1,2,3,4,5,6\} -- sample space

E = \{2,4,6\} --- Even

O = \{1,3,5\} -- Odd

The probability of even is the number of even sides over total.

i.e.

P(Even) = 3/6

P(Odd) = 3/6

Hence, (a) is incorrect

(b) A) P(Even) = 1/2 and P(Odd) = 3/2

In (a), we have:

P(Even) = 3/6

P(Odd) = 3/6

Simplify each

P(Even) = 1/2

P(Odd) = 1/2

Hence (b) is true

Since (b) is true, (c) and (d) are false

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w= 8

Step-by-step explanation:

180-90= 90

(5w + 1) + (7w- 7) = 90

solve

w= 8

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3 years ago
Mei subscribed to a magazine at a rate of $24 for 12 issues. When she placed her order, Mei used a coupon that added 3 free bonu
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Answer:

It didn't

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Calculate the area of the shaded region.
Nostrana [21]

Let A be the area of the sector in the larger circle (radius 12 cm) whose central angle is subtended by the labeled arc with measure 45 deg, and let a be the area of the sector in the smaller circle (radius 8 cm) with the same central angle. The area you want is A-a.

We have

\dfrac A{\pi(12\,\mathrm{cm})^2}=\dfrac{45^\circ}{360^\circ}\implies A=18\pi\,\mathrm{cm}^2

\dfrac a{\pi(8\,\mathrm{cm})^2}=\dfrac{45^\circ}{360^\circ}\implies a=8\pi\,\mathrm{cm}^2

So the area of the shaded region is 18\pi-8\pi=10\pi.

7 0
3 years ago
Together 2 apples have 1/5 gram fat how many apples have a total of 4 grams of fat
dimulka [17.4K]

Answer:The answer is 40 apples.

Step-by-step explanation:

It takes 10 apples to make a gram of fat. Multiply the 10 apples by 4 grams of fat to find that it takes 40 apples to make 4 grams of fat.

3 0
3 years ago
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A student increased in height from 1.52m to 1.68m, calculate the percentage increase (show your working)
Sladkaya [172]

The percentage increase in the student's height is 10.52%.

Here we are given that a student's height increases from 1.52m to 1.68m.

Thus, the absolute increase in the student's height will be-

1.68 - 1.52 = 0.16 meters.

Now, we need to find the percentage increase in the student's height.

The formula for calculating percentage increase is given by-

Percentage increase = change in value/ initial value * 100

Here, the change in value is 0.16 meters and the initial value is 1.52 meters.

Thus, percentage increase in height = 0.16 / 1.52 *100

= 1600/ 152

= 400/ 38

= 200/ 19

= 10.52%

Thus, the increase in the student's height is 10.52%.

Learn more about percentage change here-

https://brainly.in/question/19592355

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