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Sphinxa [80]
2 years ago
5

56, 52, 65, 72, 57, 65, 98

Mathematics
1 answer:
Marat540 [252]2 years ago
4 0

a. 65 is the median

b. 61.16 or 66.42

c. 2 modes and its 6

explanation step by step

<u>A</u><u>.</u><u>)</u><u> </u><u>you need to arrange it first lowest to </u><u>highest</u><u> </u><u>:</u><u> </u><u>5</u><u>2</u><u>, </u><u>5</u><u>6</u><u>, </u><u>5</u><u>7</u><u>, </u><u>6</u><u>5</u><u>, </u><u>6</u><u>5</u><u>, </u><u>7</u><u>2</u><u>, </u><u>9</u><u>8</u>

B. add all the numbers and divided by how many are them. as you see there is 2 answers in it, the lowest one is I didn't add the outliner and the high one is outliner is added <u>9</u><u>8</u><u> </u>

C. look at the same number.(twice, triple etc)

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Diano4ka-milaya [45]
There are two blue marbles so you have a 2/8 probability of drawing a blue marble on each draw since the marble is replaced after the first draw. 2/8 can be simplified to be 1/4 and then converted to be 0.25 per draw. 0.25 plus 0.25 equals 0.5. Since we are dealing with percentages multiply 0.5 x 100 which equals 50. Now take 50 and divided by the total number of marbles in the bag which is 8. 50 divided by 8 equals 6.25. So it would be about 6%.
8 0
4 years ago
For each sequence, find the first 4 terms and the 10th term.<br> A) n+5<br> B)2n-1
snow_tiger [21]

Answer:

see explanation

Step-by-step explanation:

(a)

To find the first 4 terms substitute n = 1, 2, 3, 4 into the n th term formula.

a₁ = 1 + 5 = 6

a₂ = 2 + 5 = 7

a₃ = 3 + 5 = 8

a₄ = 4 + 5 = 9

For the 10 th term substitute n = 10, that is

a₁₀ = 10 + 5 = 15

The first 4 terms are 6, 7, 8, 9 and the 10 th term is 15

(b)

Substitute n = 1, 2, 3, 4 and 10 into the n th term formula

a₁ = 2(1) - 1 = 2 - 1 = 1

a₂ = 2(2) - 1 = 4 - 1 = 3

a₃ = 2(3) - 1 = 6 - 1 = 5

a₄ = 2(4) - 1 = 8 - 1 = 7

a₁₀ = 2(10) - 1 = 20 - 1 = 19

The first 4 terms are 1, 3, 5, 7 and the 10 th term is 19

5 0
3 years ago
If x=7 and y=−2, evaluate the following expression:2xy​
antoniya [11.8K]

Answer:

-28

Step-by-step explanation:

2xy=2(7)(-2)=14(-2)=-28

6 0
3 years ago
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harina [27]
The third one I think I’m sorry if I get this wrong
3 0
3 years ago
I WILL GIVE BRAINLY
Simora [160]

Answer:

D

Step-by-step explanation:

We will let d represent the amount of dimes Angela has.

Angel has 5 fewer quarters than twice the number of dimes.

Twice the number of dimes will be 2d.

Then, 5 fewer will yield 2d-5.

Therefore, the amount of quarters Angela has is 2d-5.

Then, the total amount of coins (dimes and quarters) together, will be:

d+(2d-5)

The first part is the amount of dimes.

And the second part is, as we determined, the amount of quarters.

Therefore, our answer is D.

7 0
3 years ago
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