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shtirl [24]
4 years ago
8

Math help please!!!! will be marking brainly

Mathematics
1 answer:
zhuklara [117]4 years ago
7 0

The answer is C. 3/5

20 girls, 3 boys. 23/40 is about 60 percent, or 3/5.

I wrote the wrong answer on accident for whatever reason when I first sent this, I apologize.

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Given f(2) = 12, which of the following could be an equation of the function?
Viktor [21]
The equation of the function would be:
B. f(x)=4x+4, because if x=2, and if the answer is 12, 12 divided by 2 is 6, so f=6 4 multiplied by 2 is 8 added by 4 is 12. The equation in numbers would be 6(2)=12 or 6(2)=4(2)+4 which ends up being 12=12.
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Suppose the diameter of a circle is 10. What is its area?
r-ruslan [8.4K]
Well hello again :3.  This is also quite simple.  The diameter of a circle is 2 times the radius.  So we can refit this into the equation and say that our new formula using diameter is pi(d^2/2).  Now we can say that 10/2 is 5 and 5^2 is 25.  Therefore your answer is 25pi or 78.54.  


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This Excel file Undergrad Survey shows the data resulting from a survey of 50 undergraduate students at Clemson University. Majo
Rama09 [41]

Answer:

Question 1:

Here total number of students GPA is given = 50

Number of people who have GPA more than 3.69 = 5

Therefore,

Pr(That a student has GPA more than 3.69) = 5/50 = 0.1

Here X ~ NORMAL (3.12, 0.4)

so Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4)

Z = (3.69 - 3.12)/ 0.4 = 1.425

Pr(X > 3.69) = Pr(X > 3.69 ; 3.12 ; 0.4) = 1 - Pr(Z < 1.425) = 1 - 0.9229 = 0.0771

Question 2

Here GPA would be above 95.54th percentile

so as per Z table relative to that percentile is = 1.70

so Z = (X - 3.12)/ 0.4 = 1.70  

X = 3.12 + 0.4 * 1.70 = 3.80

so any person with GPA above or equal to 3.80 is eligible for that.

3 0
4 years ago
A pet shop sells goldfish for $ 9 per dozen. How much would 6 goldfish cost? How many goldfish could you buy with $50?
deff fn [24]

Answer:

6 goldfish = $4.50. You can buy 66 goldfish with $50

Step-by-step explanation:

We know that dozen is 12, so 12 goldfish would be $9. To find how much one goldfish costs we would divide 9 and 12. 9÷12 is 0.75. So one goldfish is $0.75.

To find 6 goldfish just multiply 0.75 to 6. 6 goldfish would be $4.50.

We know that 0.75 times 100 would be 75 so you can only buy less than 100 goldfishes. You can buy 66 goldfishes with $50.

If this helped, I would appreciate it if you marked me brainliest. Have a nice day!

6 0
3 years ago
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