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nalin [4]
3 years ago
5

WILL GIVE BRAINLIEST!!! NO UNHELPFUL ANSWERS OR I WILL REPORT!!!

Mathematics
2 answers:
tatyana61 [14]3 years ago
8 0

Answer:

b

Step-by-step explanation:

because it is

faust18 [17]3 years ago
8 0

Answer:

D.

Step-by-step explanation:

A is incorrect because the range of the data is basically just subtraction. The range of 20-40 year old men's heart rates are higher than 50-70 year old men. B is incorrect. Think of "median" as "middle". The heart rates of the 20-40 year old men is higher than the heart rates of the 50-70 year old men. C is incorrect, because the minimum heart rate is the "starting point" of the box plot, in these cases for the 20-40 year old men, that would be 75, which is higher than the 50-70 year old men.

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If points N, U, and T are collinear, name all the segments they determine.
mote1985 [20]
NU, UT, and NT
i don't see what they're being collinear has to do with it.
7 0
3 years ago
Read 2 more answers
Find the radius of a circle that has a circumference of 16. r = 4 r = 8 r = 12 r = 16
shusha [124]
R= 8 I hope this helps



4 0
4 years ago
When 18 boys joined a group of why students, the ratio of boys to girls in the group became 4 : 5. Write an algebraic expression
expeople1 [14]
18 /(y + 18) = 4/9 <<<<===== answer. 
be careful the number of boys is in a ratio of the number of boys to the total.
Just to make sure I'm right, I solve it.
18 * 9 = 4*(y + 18)
162 = 4y + 72 Subtract  72 from both sides.
 90 = 4y Divide by 4
22.5 = y Never mind the 0.5. Does it work

18/22.5 = 0.8 
0.8 is the same thing as 4/5 
The problem makes no sense in the real world, but it does work out mathematically.
5 0
3 years ago
Ten men and ten women are to be put in a row. Find the number of possible rows if Beryl, Carol, and Darryl want to stand next to
enyata [817]

Answer: 6 possibilities.

Carol, Beryl, and Darryl

Carol, Darryl, and Beryl

Darryl, Carol, and Beryl

Darryl, Beryl, and Carol

Beryl, Darryl, and Carol

Beryl, Carol, and Darryl

Hope this helps :)

5 0
3 years ago
PLZ HURRY IT'S URGENT!!
Jet001 [13]

Answer:

OPTION C: 60%

Step-by-step explanation:

Chances of raining the next day + Chances that it will not rain = 100%

One of them should definitely be true.

So, if the chance of it raining tomorrow is 40% then there is 60% chance that it will not rain tomorrow.

This can also seen as follows:

Probability of rain tomorrow + Probability of no rain = 1

Given Probability of rain tomorrow = 40% = $ \frac{40}{100} = \frac{2}{5} $

Probability of no rain tomorrow = 1 - Probability of rain tomorrow

⇒ Probability of no rain = 1 - $ \frac{2}{5} $

⇒ Probability of no rain = $ \frac{3}{5} $

Expressing it as percentage: $ \frac{3}{5} \times 100 $ = 60%.

8 0
3 years ago
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