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Dovator [93]
2 years ago
15

What is the circumference of the circle that

Mathematics
1 answer:
saul85 [17]2 years ago
6 0
The answer is D 25 units
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Rauol measured the height of 12 different plants in his garden in April. He measured them again in June. What is the difference
jasenka [17]

The question is incomplete. Here is the complete question.

Raoul measured the ehight of 12 different plants in his garden in April. He measured them again in June.

April Heights (in inches) 12 15 23 11 42 45 44 39 12 19 20 12

June Heights (in inches) 45 45 40 43 11 14 12 13 41 40 45 41

What is the difference between the mean height in April and the mean height in June?

Answer: The difference between means is 8.0

Step-by-step explanation: <u>Mean</u> is the average of a set of numbers.

It is calculated as:

\mu=\frac{\Sigma x}{n}

where

x is the numbers in the set

n is how many numbers are there in the set

For heights in April, the mean is:

\mu_{1}=\frac{12+15+23+11+42+45+44+39+12+19+20+12}{12}

μ₁ = 24.5

For heights in June, the mean os:

\mu_{2}=\frac{45+45+40+43+11+14+12+13+41+40+45+41}{12}

μ₂ = 32.5

The difference between means:

μ₂ - μ₁ = 32.5 - 24.5 = 8.0

The difference between the mean height in April and in June is 8.0 inches.

3 0
2 years ago
The ratio of teachers to male students to female students in a school is 3:17:18 if the total number of students in the school i
Artist 52 [7]

Answer: 54

Step-by-step explanation:

First we add 17 plus 18 to dins total number of students I got 35

Then we make ratio

3/35

So we know we have total number of 630 kids then we make a ratio with no teacher so x

X/630

Lin both together then done ☑️

8 0
2 years ago
What is the area of the irregular polygon shown below?
Fantom [35]

Answer:56

Step-by-step explanation:add all the sides together

5 0
2 years ago
What’s the ratio also
dem82 [27]

Answer:

3cm³:20cm³

Step-by-step explanation:

5 * 6 * 20 = 600cm³

4 * 9 * 5 = 180 / 2= 90cm³

90:600

9:60

3:20

7 0
3 years ago
Y = 3(x+ 4)^2+ 4 plz find the vertex and whether the graph has a minimum or maximum point
Paladinen [302]

Answer:

look at the screenshot hun!!

Step-by-step explanation:

6 0
2 years ago
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