3 years ago

5/6 + 5/6 = ? ? = 10/6 10/6= 5/3

Mathematics

1 answer:

Flura [38]3 years ago

4 0

Answer:

10/6 = 10/6

↓

1 4/6 = 10/6

Step-by-step explanation:

5/6 + 5/6 = 10/6

↓

1 4/6

10/6 ÷ 2 = 5/3

10/6 = 10/6

1 4/6 = 10/6

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What is the sum of an infinite geometric series if a1 = 144 and r = 1⁄4?

Brilliant_brown [7]

Answer:

Step-by-step explanation:

The sum to infinity of a geometric sequence is

sum to infinity = $\frac{a_{1} }{1-r}$

here $a_{1}$ = 144 and r = $\frac{1}{4}$ , hence

sum = $\frac{144}{1-\frac{1}{4} }$

= $\frac{144}{\frac{3}{4} }$

= $\frac{144(4)}{3}$ = 192 → D

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3 years ago

Pls help!! need ur help math geniuses help with my last question! ty

Shtirlitz [24]

The expected value of the discrete distribution is of 20.97, hence option C gives the correct answer.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the sum of each outcome multiplied by it's respective probability.

Hence, according to the table, the expected value is given by:

E(X) = 12 x 0.08 + 18 x 0.15 + 20 x 0.31 + 22 x 0.08 + 24 x 0.15 + 25 x 0.23 = 20.97.

More can be learned about the expected value of a discrete distribution at brainly.com/question/26660401

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7 0

2 years ago

9 subtracted from one half of a number is 4

antoniya [11.8K]

1/2x - 9 = 4
1/2x = 4 + 9
1/2x = 13
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4 years ago

One angle of a right triangle measures 80 degrees. what is the measure of the other acute angle

Tanya [424]

Answer:

10 degrees

Step-by-step explanation:

Since a right angle is 90 degrees in total, to find the missing degree subtract 80 from 90.

90-80=10 degrees

Hope this helps

3 0

3 years ago

I need help with number 20 please help!!!

Paraphin [41]

It can possibly be 20/1

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3 years ago