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Otrada [13]
2 years ago
14

Answer A and B. I will give the brainliest to the best answer.

Mathematics
2 answers:
Alexxandr [17]2 years ago
5 0

Answer:

a) 267  b) 445

Step-by-step explanation:

BlackZzzverrR [31]2 years ago
5 0

Answer:

A) 267 fruit flies had red eyes.

B) 445 fruit flies did not have red eyes.

Step-by-step explanation:

First, you find 3/8 of 712, which was 267. Then, you subtract the 712 by 267: 712-267=445. Which shows 445 fruit flies did not have red eyes.

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Describe order of operation and give an example
ryzh [129]

Order of Operation is commonly referred to as PEMDAS, an acronym for "Please excuse my dear aunt Sally," which references the order in which operations should  be calculated when solving a math problem.

P = parentheses

E = exponent

M = multiply

D = divide

A = add

S = subtract

So you don't always have all of these components, but you consider the ones present in the problem in front of you.    If there is no multiplication, but there is division and a set of parentheses, then you FIRST solve what's inside the parentheses, then  you divide.    If you have some examples, I'll show you.


6 0
3 years ago
Read 2 more answers
A: {71,73,79,83,87} B:{57,59,61,67}
Jobisdone [24]

Answer:

\frac{3}{5}.

Step-by-step explanation:

We have been given two sets as A: {71,73,79,83,87} B:{57,59,61,67}. We are asked to find the probability that both numbers are prime, if one number is selected at random from set A, and one number is selected at random from set B.

We can see that in set A, there is only one non-prime number that is 87 as it is divisible by 3.

So there are 4 prime number in set A and total numbers are 5.

P(\text{Prime number from A})=\frac{4}{5}

We can see that in set B, there is only one non-prime number that is 57 as it is divisible by 3.

So there are 3 prime number in set B and total numbers are 4.

P(\text{Prime number from B})=\frac{3}{4}

Now, we will multiply both probabilities to find the probability that both numbers are prime. We are multiplying probabilities because both events are independent.

P(\text{Prime number from A and B})=\frac{4}{5}\times \frac{3}{4}

P(\text{Prime number from A and B})=\frac{1}{5}\times \frac{3}{1}

P(\text{Prime number from A and B})=\frac{3}{5}

Therefore, the probability that both numbers are prime would be \frac{3}{5}.

4 0
2 years ago
A group of randomly selected members of The Foodies Food Club were asked to pick their favorite type of food. The bar graph belo
Mice21 [21]

Answer:

98

Step-by-step explanation:

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3 years ago
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There are 72 fish in an aquarium. 1/6 of them are angelfish and the rest are mackerals. When more angelfish are placed in the aq
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If it is the normal rate, there are 12 angelfish
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3 years ago
Find the solution set.<br> r^2 = 16<br> Separate the two values with a comma.
yan [13]

The solution set is r = (+4, -4) .

6 0
3 years ago
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