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Vladimir79 [104]
3 years ago
9

What is the probability of spinning the pointer on the spinner below and getting a 2 or 4

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

The probability would be 2/5

Step-by-step explanation:

There is five numbers on the spinning and the chance of getting one certain number would be 1/5, and if you add the two probabilities together would be 2/5, I am pretty sure.

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A radiator contains 10 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure anti
babymother [125]

Answer:

1 3/7 quarts should be drained off and replaced with pure antifreeze.

1 3/7 ≈ 1.4286

Current amount of antifreeze in quarts is -

30/ 100 × 10 = 3

40% ---> 4 quarts

Let the amount drained of and replaced with antifreeze be x-

The amount left after draining off is 10 − x.

The amount of antifreeze  is 30/ 100 (10−x).

30/100(10-x)+x=4

3-3/10x+x=4

3+x(1-3/10)=4

x=1*10/7=1 3/7 quarts

check;

10- 1 3/7 = 8 4/7

=(30/100*8 4/7)+1 3/7

=(3/10 * 60/7) + 10/7

=3*6/7 + 10/7

=28/7

=4

4 liters of pure antifreeze is mixed into 10 quarts.

8 0
3 years ago
Help please help please​
Colt1911 [192]

Answer:

+7 or 7

Step-by-step explanation:

an integer is a whole number. So the question asks what whole number represent this real world situation. A positive charge to an atom can not be represent by a negative number (number below zero). Therefore, it has to be positive.

3 0
3 years ago
Read 2 more answers
You are the treasurer for a local charity. At the beginning of the month the balance was $820.64. The charity received donations
djverab [1.8K]
Beginning Balance:                  820.64
Add:
donations: 500 + 55 + 25          580.00
Deduct:
electric bill:  40.64
postage bill: 12.75
rental       : 445.00            <u>     (498.39)</u>
Ending Balance                     902.25

The balance at the end of the month is $902.25
6 0
3 years ago
Find the measure of the indicated angle to the nearest degree.​
Paladinen [302]

Using Pythagorean triplete

\\ \sf\longmapsto h^2=33^2+8^2

\\ \sf\longmapsto h^2=1089+64

\\ \sf\longmapsto h^2=1153

\\ \sf\longmapsto h=\sqrt{1153}

\\ \sf\longmapsto h=33.9

\\ \sf\longmapsto h\approx34

Now

\boxed{\sf sin\theta=\dfrac{h}{P}}

\\ \sf\longmapsto sin\theta=\dfrac{34}{8}

\\ \sf\longmapsto sin\theta=4.2

\\ \sf\longmapsto 2sin\theta=sin60

\\ \sf\longmapsto \theta=30°

3 0
2 years ago
If your barn is 100 feet by 50 feet, how many square feet do you have in your barn? Type in your answer.
zavuch27 [327]

Answer: 5,000 square feet

Step-by-step explanation:

50 feet multiplying by 100 feet equal to 5,000 sq ft.

7 0
3 years ago
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