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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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4x-5y=0<br> 8x+5y=-60 <br> what is the answer by substitution or elimination?
yuradex [85]
The answer is -5, -5 added by 5 cancels each other out. Then when you add 4x + 8x, you get 12x. So when you do 12x= -60, you get -5.

7 0
3 years ago
a book is 6 inches wide and 9 inches tall A publisher want to scale factor of 1.5 to enlarge a book. what will the area of the f
VladimirAG [237]

Answer:

Step-by-step explanation:

6 inches enlarged by 1.5 = 9 inches

9 inches enlarged by 1.5 = 13.5 inches

Area would be 9x13.5=

121.5 inches for the area

Hope this helps you out.

8 0
3 years ago
The area of a rectangle is 42 square inches and one side is 12 inches long find the perimeter of the rectangle show your work
uranmaximum [27]
So first of all we need to know that area is length times width
Area = L x W 
since we know the area is 42 and the length is 12 lets plug those in
42 = 12 x W 
now we dont know what W is yet but we can figure it out by dividing 42 by 12
42/12 = 3.5 
So W = 3.5!
but its asking for the perimeter and we know that perimeter is all of the sides of the rectangle added up. Heres a picture
   
       ___3.5___
      |                 |
      |                 |
 12 |                 |  12 
      |                 |
      ************
             3.5

see now we just add those all up together:)

12 + 12 + 3.5 + 3.5 = 31!!
so our perimeter is 31 inches:)
have a good one 
PICK ME BRAINLIEST!:D
5 0
3 years ago
A store is selling a pair of boots for $45.00 is making a 30% profit at this.price. How much did the boots originally cost?
user100 [1]

Answer:

$31.50 profit

Step-by-step explanation:

By subtracting 30% of 45 from 45, we are left with $31.50.

8 0
3 years ago
Read 2 more answers
Finding the area shaded figure
dimaraw [331]

complete square = 100 square yards

 triangle = 1/2 x base x height = 1/2 x 10 x 5 = 25 square yards

100-25 = 75 square yards


shaded area = 75 square yards

5 0
4 years ago
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