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3 years ago

5. What is the length of side a? Please help

Mathematics

1 answer:

Elena-2011 [213]3 years ago

6 0

Answer:

I a pretty sure it is 10

Step-by-step explanation:

but im not positive

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Solve this problem. ___% of 30 = 12

3241004551 [841]

Answer:

40%

Step-by-step explanation:

a percentage can also be written as something over 100. x/100. to find the percentage you would set up the proportions as 12/30=x/100. then you cross multiply 12x100 and divide by 30. (this is called the bat and ball method). you end up with 40.

7 0

3 years ago

Calculate the perimeter

Evgesh-ka [11]

Answer:

sorry i cannot help you

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4 years ago

Chris walks up to a tank of water that can hold up to 25 gallons When it is active, a

nignag [31]

Answer:

Step-by-step explanation:

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4 years ago

Read 2 more answers

-5 3/4 - 3 1/2 =? A)2 1/4 B)-9 1/4 C)-2 1/4 D)-8 2/3

Nataliya [291]

Answer:

-9 1/4

Step-by-step explanation:

-5 3/4 - 3 1/2

Get a common denominator

-5 3/4 - 3 1/2 *2/2

-5 3/4 - 3 2/4

-8 5/4

Rewritng

-8 4/4 - 1/4

-9 1/4

7 0

3 years ago

Read 2 more answers

You have a bag of 12 marbles. Four are blue, 6 are green, 2 are red, and the others are yellow. What is the probability of drawi

8090 [49]

Answer:

$Probability = \frac{1}{11}$

Step-by-step explanation:

Given

$Blue = 4$

$Green = 6$

$Red = 2$

$Total = 12$

Required

Determine the probability of drawing red and green without replacement

This is calculated as follows:

$Probability = P(Red\ and\ Green)$

$Probability = P(Red)\ and\ P(Green)$

$Probability = \frac{n(Red)}{Total} * \frac{n(Green)}{Total - 1}$

We used Total - 1 because it's a probability without replacement:

$Probability = \frac{2}{12} * \frac{6}{12- 1}$

$Probability = \frac{2}{12} * \frac{6}{11}$

$Probability = \frac{1}{6} * \frac{6}{11}$

$Probability = \frac{1}{11}$

Hence, the required probability is 1/11

5 0

3 years ago