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Alex777 [14]
3 years ago
14

Which statement is true about the joint frequencies in

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
7 0
Fourteen in 11th grade
Fynjy0 [20]3 years ago
5 0

Answer:

This answer is B

You only need one answer for the problem

I am pretty sure this right.

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Please help me <br> 3(x + 2) * 10 * 7 divided by 70 - 2 (x+2)<br><br> Simplify
I am Lyosha [343]

Answer:

= 105(x+2)/33-x

Step-by-step explanation:

Given the expression

[3(x+2)*10*7]÷70 - 2(x+2)

= 3(x+2)*70÷70 - 2(x+2)

= 210(x+2)/70-2x-4

= 210(x+2)/66-2x

= 210(x+2)/2(33-x)

= 105(x+2)/33-x

8 0
3 years ago
Express 3 to the powermof -2 as rational number
faltersainse [42]

Answer:

(2/3)³

2³/3³

2³ × 3^(-3)

Step-by-step explanation:

3 0
3 years ago
Given the area of a circle is 201.06cm2, find the diameter and circumference.
mestny [16]

given the area of circle o6.

5 0
3 years ago
Read 2 more answers
Twelve boxes of pencils cost $16. Which equation could you use to find the cost per box
zheka24 [161]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ You can use the equation 16 ÷ 12 = 1.33

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

3 0
3 years ago
Read 2 more answers
The length of a rectangular deck is 4 times it’s width. If the deck’s perimeter is 30ft, what is the deck’s area?
ioda

Try this solution (note, this is not the shortest way):

1. if the given length is 'l' and the width is 'w', then according to the condition 4*l=w;

2. according to the condition the perimeter is 30 ft. Formula of the perimeter is P=2(l+w), then 2(l+w)=30;

3. if to substitute '4*l' instead of 'w', the formula of the perimeter (from item no. 2) will be as 2(4*l+l)=30 or 10*l=30 ⇒ l=3 ft. The length is 3 ft.!

4. if l=3 ft., then w=4*3=12 ft. The width is 12 ft.!

5. Area is

A=w*l; A=12*3=<u>36 ft²</u>

7 0
3 years ago
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