1 year ago

Find the cardinal number for the following set A.

Mathematics

1 answer:

sleet_krkn [62]1 year ago

7 0

Answer:

I hope this answer is correct

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Sharon is twice as old as Brian, and in 5 years the sum of their ages will be 25 years. Find their present ages.

Vinil7 [7]

Sharon's age= 2x
Brian's age= x

(2x-5)+(x-5)= 25
3x-10=25
3x=15
x=5
Brian is 5 years old and Sharon is 10

3 0

3 years ago

A right triangle has one side that measures 4 in. The angle opposite that side measures 80°. What is the length of the hypotenus

Sunny_sXe [5.5K]

Since you have an angle and at least one side you can use either sine, cosine or tan. For this question, you would use sine like above. Hope this helps!

5 0

2 years ago

What is the median of the data set?

gizmo_the_mogwai [7]

7. because you would put the number set into order from least to greatest first, ti would look like this: 2,3,4,5,9,10,12,12. then go to the middle, crossing one from each side off at one time. Then you get 5 and 9 in the middle. Then the middle between 5 and 9 is seven, you can check this by: 5+9=14, then 14/2= 7.
Your median is 7.

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2 years ago

If O N = 8 x − 8 , L M = 7 x + 4 , N M = x − 5 , and O L = 3 y − 6 , find the values of x and y for which LMNO must be a paralle

posledela

Answer:

$x=12\\y=\frac{13}{3}$