MATHEMATICS MIDDLE SCHOOL

If the Pr (A)=0.3 what is Pr (A’)

Answers

Answer 1

Answer:

Answer:

0.7

Step-by-step explanation:

I assume Pr is for Probability and A' is "not A" (complementary probability)

Pr(Anything)=1

Pr(A)=0.3

Pr(A')=1-Pr(A) (anything but A)

Pr(A')=1-0.3

Pr(A')=0.7

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Write 7 as a fraction with the 9 in the denominator

Answers

so 7=7/1
to put a 9 in the bottom and make the fraction stay the same, multiply it by 1
or 9/9 since 9/9=1 so
7/1 times 9/9=(7 times 9)/(1 times 9)=63/9
answe ris 63/9

63/9 would be the answer because 63 divided by 9 would be equivalent to 7/1 or 7.

Is 10 thousands, 5 hundreds greater than or less than 1,050 tens

Answers

Its greater than 1,050 tens.

it greater because 1050 is smaller than 10,500

Cual es el perimetro de un cuadrado de lado de 8cm please

Answers

se multiplica 8 veces 4 , que le dará 32

What is Z +9÷4 = 2 .1

Answers

the picture below explains how to get your answer
hope it helps :)

How many sides does 52 quadrilateral have?

Answers

52 quadrilaterals would have 52 ÷ 4 = a
a = your answer.
My answer is reasonable because if you have 52 sides from quadrilaterals you would need to divide by 4 to get the amount of quadrilaterals you have. Check your work by multiplying 4 x a = __ (The blank should be 52)

Nina's garden is 4 1/5 meters long and 3/10 meter wide. what is the area of nina's garden

Answers

Area of rectangular garden = 21/5 $*$ 3/10 = 63/50 =1 $* \n$ 13/50 $m^(2)$ = 1.26 $m^(2)$

Consider Nina' s Garden is rectangular in shape

Length of the garden = 4 $*$ 1/5 = 21/5

Width of the garden = 3/10

Area of the rectangle is given by

Area = Length $*$ Width

So the area of the garden is given by

Area= 21/5 $*$ 3/10 = 63/50 =1 $* \n$ 13/50 $m^(2)$ = 1.26 $m^(2)$

For more information please refer to the link

brainly.com/question/24408520

Area= length * width

length = 4 1/5= 21/5 . Multiply the whole number with the denominator. 4*5= 20 . Add 20 with the numerator. 20+1=22

width= 3/10

21/5* 3/10 ( Multiply the denominators together). ( Multiply the numerators together).

21*3 / 5*10

= 63/50 meters^2 or in mixed number:1 13/50 meters^2

Answer : 63/50 meters^2 or in mixed number:1 13/50 meters^2