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Aleks [24]
4 years ago
8

Is 1/2 and 13/20 equivalent ratios??

Mathematics
2 answers:
VARVARA [1.3K]4 years ago
7 0
No they are not equivalent ratios. 1/2 of 20 is not 13 it is 10. 
dolphi86 [110]4 years ago
3 0
No, they are not. !0/20 would be equivalent to 1/2
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The following list contains the number of movies That a group of 8 students saw in theaters in the past 12 months.
lord [1]

Answer:

I'm pretty sure its 11

first orginize the numbers in numerical order

second the medj an is the middle numbe, if they are to find the mean of those two only

7 0
3 years ago
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recent research indicated that about 20% of british children are deficient in vitamin d. suppose doctors test a group of element
blsea [12.9K]

If about 20% of British children are deficient in vitamin and doctors test a group of elementary school children, the probability that the first vitamin d-deficient child is the 8th one tested is 4.19% determined using geometric distribution formula.

In probability and statistics, geometric distribution refers to the probability that first success would occurs after n number of trials and is given by:

P(X)=q^(x-1)p

Where p is the probability of success and q is (1-p)

In this case,

p=probability of children deficient in vitamin= 0.2

q= probability of children not deficient in vitamin= 0.8

Hence,

P(8)=0.8^(8-1)*0.2= 0.0419

Hence, the probability that 8th child is deficient is 4.19%

Learn more about geometric distribution:

brainly.com/question/14957440

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8 0
1 year ago
Evaluate the following expression. 8to the power of 3 − 9 ⋅ 2 ÷ 3 = ?
ahrayia [7]

Answer:

8^-3  I think  (i'm too lazy to simplify)

Step-by-step explanation:

3 - 9 * 2 ÷ 3 = ?

3 - 18 ÷ 3 = ?

3 - 6 = -3

8 to the power of -3

hmmmm i dont think im right tell me if im not

3 0
3 years ago
Can someone determine the constant rate of change for this? and also tell me what to put in the x and y chart. I will give brain
Natasha_Volkova [10]

Answer:  18 is the constant rate an  i don't know what to put in the x an y sorry got some <em>work of my own to do!!!</em>

4 0
3 years ago
Given: △KLM, LM=20 3
egoroff_w [7]

Split the triangle into a 30-60-90 triangle. Since you have LM from that triangle, you can figure out the other sides. Then, using the leg from that triangle, the one next to it is a 45-45-90 triangle, meaning it's isosceles.

KM = 30 + 10√3

KL = 10√6

(sorry i'm not too sure if my "reasons" for statement/reason is correct)

6 0
3 years ago
Read 2 more answers
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