MATHEMATICS MIDDLE SCHOOL

The probability of a particular event occurring is 70%what is the probability that this event does not occur

Answers

Answer 1

Answer:

Answer:

30%

Step-by-step explanation:

30% plus 70% = 100%, so the answer is 30%

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A science class measured the mass of a balloon to be 4 grams.After the balloon was inflated the mass was 8 grams.What was the mass of the air inside the inflated balloon?

Answers

12 grams were inside

In a sample of people in the school district, 16 out of 25 favored building a new football stadium. If 6,000 people vote in the next local election, how many are likely to vote in favor of the new football stadium based on this sample?

Answers

Answer:

3840 people

Step-by-step explanation:

What is 12 divided by 72

Answers

The value of 12 divided by 72 is 1/6

What is division?

Division in maths is the process of breaking a number up into equal parts, and finding out how many equal parts can be made.

For example if 200 apples are to be shared by 25 students, the number if apples that will get it each students is calculated as;

200/25 = 8 apples each.

Similarly, dividing 72by 12

= 12/72

divide through by 2

= 6/36

divide through by 6

= 1/6

Therefore 12 divided by 72 is 1/6

learn more about division from

brainly.com/question/25289437

#SPJ6

12 divided by 72 is 0.16666666666667.
72 divided by 12 is 6.

Traveling at 55 mph, how many minutes, rounded to the nearest whole number, does it take to drive 310 miles from Boston to Syracuse?

Answers

we know that

$speed=(distance)/(time)$

Solve for the time

$time=(distance)/(speed)$

in this problem

$speed=55(miles)/(hour) \n \n distance=310 miles$

substitute in the formula above

$time=(310)/(55) \n \n time=5.64\ hours$

convert to minutes

$5.64*60=338.4\ minutes =338\ minutes$

therefore

the answer is

$338\ minutes$

(310 mi)/(55 mph)*(60 min / 1 hr) = 338.181818 . . . .

rounds to 338 minutes

What type of number is -4n

Answers

Answer:

if there is a letter in "number" then it is a variable. By the way type of the number is negative

a salesman bought a case of 48 backpacks for $576. he sold 17 of them fot $18 at the swap meet, and the rest were sold to a department store for $25 each. how much was the saleman's profit?

Answers

Well, if he sold 17 of them for $18, 17 times 18 = $306. Now he has 31 backpacks left. 31 times 25 = $775. 775 + 306= $1081 (final answer) Hope it helps!!!

the answer is:1,081.
Hope this helps! (:

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