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3 years ago

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How do you do a frequency table for the following numbers 67,52,54,57,61,56,61,69,64,63,57,60,50

1 answer:

RoseWind [281]3 years ago

8 0

I suggest writing a table with the following intervals (50-54, 55-59, 60-64 and 65-69) In the first column and in the second column write the frequency (the number of numbers in that interval).

As an example

| Interval | Frequency |
———————————-
| 50-54 | 3 |
———————————-
| 55-59 | ... |
———————————-

And so on

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3 years ago

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3 years ago

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Sebastian and his two brothers read and equal amount each week very for a combined total of 135 minutes each week, very the same

ipn [44]

Answer:

270 minutes per boy.

Step-by-step explanation:

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3 years ago

4. A value of 500 increases by 12% What is the new value?"

Nonamiya [84]

Answer:

increase percent=12%

hom much increase

500 of 12%

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3 0

3 years ago

6. a semicircle has as its diameter the hypotenuse of a right triangle shown below. determine the area of the semicircle to the

jeyben [28]

Answer:

$A = 137.3cm^2$

Step-by-step explanation:

Given

See attachment

Required

The area of the semicircle

First, we calculate the hypotenuse (h) of the triangle

Considering only the triangle, we have:

$\cos(68) = \frac{7}{h}$ --- cosine formula

Make h the subject

$h = \frac{7}{\cos(68)}$

$h = \frac{7}{0.3746}$

$h = 18.7$

The area of the semicircle is then calculated as:

$A = \frac{\pi h^2}{8}$

This gives:

$A = \frac{3.14 * 18.7^2}{8}$

$A = \frac{1098.03}{8}$

$A = 137.3cm^2$

7 0

3 years ago