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goblinko [34]
3 years ago
10

Please help me , Thanks

Mathematics
1 answer:
Stolb23 [73]3 years ago
5 0
Yeah sure please, can you please post your message? so that we can help

P.S: sorry I have not observed the attachment, let me please look into it
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Find the mean of the data
Triss [41]
<h3>Answer:  6.282</h3>

Explanation:

Refer to the table below. I've added a third row where I multiplied each x value with its corresponding frequency value f. We can refer to this row as the xf row.

Once we know the xf values, we add them up to get 245.

We'll then divide that result over the sum of the frequency values (add everything in the second row). The sum of the frequency values is 39.

So the mean is approximately: 245/39 = 6.282051 which rounds to 6.282

Notice that this mean value is fairly close to the x value which has the highest frequency.

5 0
2 years ago
a rectangle swimming pool is 4 ft deep. one side of the pool is 2.5 times longer than the other. the amount of water needed to f
mojhsa [17]

Find the are of the pool by dividing the volume by the depth:

1960 / 4 = 490

The pool is 490 square feet.


Area is found by multiplying the length by the width.

Let the width = X

We are told the length is 2.5X ( 2.5 times longer)


So we now have 2.5x * x = 490


2.5x * x = 2.5x^2


Now we have 2.5x^2 = 490


Divide both sides by 2.5:

x^2 = 490/2.5

x^2 = 196

find X by taking the square root of 196:

x = √196

x = 14


The width is 14 feet

The length is 2.5 * 14 = 35 feet

8 0
3 years ago
What is a linear equation of a line with slope -4 and y-intercept 7
ololo11 [35]

The equation would look like

Y=-4x+7

Y=mx+b

5 0
3 years ago
207 divided by 214 in short divison how do i do this?
jek_recluse [69]

Answer:

your answer should be 0.96

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
How 7,5,6 and 3 equal 75
____ [38]
Well first you do 7+5 to equal 12, and then you multiply 12 by 6 and get 72, then you add the 3 to get 75. 6(7+5)+3=75. Hope this helps!!
4 0
3 years ago
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