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vichka [17]
3 years ago
10

You are randomly selecting 1 number from the numbers 1 through 20, inclusive. What is the probability that

Mathematics
2 answers:
quester [9]3 years ago
6 0

Answer:

9/20 Chance or 45%

Step-by-step explanation:

1,2,3,5,7,11,13,17,19 are all prime numbers. So that's 9 numbers.

Ugo [173]3 years ago
3 0
The probability is 45% hope this helps!
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Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM.
KengaRu [80]

Answer:

60 in^{2}

Step-by-step explanation:

We are given a ΔKLM, in which KL=LM=13 in and KM=10 in which means two sides of the given triangle are same and thus is an isosceles triangle.

Its median drawn from L to the KM will be altitude. Therefore, ΔKLN and ΔLMN are right triangles.

In ΔKLN, using the pythagoras property, we have

13^{2}=5^{2}+LN^{2}

169-25=LN^{2}

\sqrt{144} =LN

12=LN

Now, Area of triangle= 1/2×base×height

                                   =1/2×10×12

                                   =60 squared inches.

4 0
3 years ago
Compare the values.<br> 9 x 10^2 is<br> ?<br> times as much as 3 x 10^-2.
barxatty [35]

Answer:

Hopefully this explains o_O, also Merry Christmas!

Step-by-step explanation:

9 x 10^2 = 9 x 100 = 900

3 x 10^-2 = 3 x 1/100 = 0.03

Ratio of 900:0.03

The first one is 30000 bigger than the second

5 0
3 years ago
Read 2 more answers
I need help with algebra.
AURORKA [14]
9 × 9 = 81

9 plus itself 9 times equals 81

the nines table goes 9,18,27,36,45,54,63,72,81,90

To check the two numbers add up to 9 for 1-10 multiples

Algebra would be m × m =m^2

^means to the power and the 2 means we are doing it to the power of two [Also known as squaring]

This works because they are both the same number
6 0
4 years ago
Read 2 more answers
Explain how you determine each of the two expressions of the equation when the mathematical statement is given in words.
Anni [7]

Answer:

Equation. An equation is a mathematical statement that two things are equal. It consists of two expressions, one on each side of an 'equals' sign.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
HURRY 45 POINTS<br><br> Graph this on a graph <br> y= 53x–4
bearhunter [10]

Answer:

0,-4 and 1,49

Step-by-step explanation:

plug in 0:

y=0-4

y=-4

First point = 0,-4

plug in 1

y=53-4

y=49

second point : 1,49

two points: 0,-4 and 1,49

Hope this helps plz hit the crown :D

8 0
3 years ago
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