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Ivan
3 years ago
9

Estimate the circumference. Use 3.14 or 22/7 to approximate π.

Mathematics
1 answer:
Anon25 [30]3 years ago
3 0
<em>You have to plug in all the numbers to the circumference formula and solve!</em>
circumference formula: \pi d <em>or</em> 2 \pi r

3.14(12.5) = ?
39.25

<em>The answer is</em> d. 39.25

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The infant mortality rate is defined as the number of infant deaths per 1,000 live births. This rate is often used as an indicato
Basile [38]

(a)

Q1, the first quartile, 25th percentile, is greater than or equal to 1/4 of the points.  It's in the first bar so we can estimate Q1=5.   In reality the bar includes values from 0 to 9 or 10  (not clear which) and has around 37% of the points so we might estimate Q1 a bit higher as it's 2/3 of the points, say Q1=7.

The median is bigger than half the points.  First bar is 37%, next is 22%, so its about halfway in the second bar, median=15

Third bar is 11%, so 70% so far.  Four bar is 5%, so we're at the right end of the fourth bar for Q3, the third quartile, 75th percentile, say Q3=40

b

When the data is heavily skewed left like it is here, the median tends to be lower than the mean.  The 5% of the data from 80 to 120 averages around 100 so adds 5 to the mean, and 8% of the data from the 60 to 80 adds another 5.6, 15% of the data from 40 to 60 adds about 7.5, plus the rest, so the mean is gonna be way bigger than the median of around 15.

8 0
3 years ago
The slope of the line below is -3 land the y-intercept is 2. What is the slope intercept equation for the line?
pickupchik [31]
Y = -3x + 2.

Hope this helps!

-Belle
3 0
3 years ago
Can someone please answer this<br><br> - (6m + 7) -6 (-7 - m) = 35
jasenka [17]

Answer:

35=35

Step-by-step explanation:

-(6m+7)-6(-7-m)=35

-6m-7-6(-7-m)=35

5 0
3 years ago
Is the pattern 2,3,5,8,12 arithmetic explain
stira [4]
No becvause the numbers dont increase by a constant amount 
8 0
3 years ago
Malcolm buys a 5/6 pound of black beans and a 3/4 pound bag of pinto beans. How many pounds of beans does Malcolm buy in all?
natulia [17]

Answer:

19/12 or 1 7/12 lbs

5/6 + 3/4

Find a common denominator, aka least common multiple

So, 5/6 becomes 20/24 and 3/4 becomes 18/24

20/24 + 18/24 = 38/24 which simplifies to 19/12 or 1 7/12

6 0
3 years ago
Read 2 more answers
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