2 years ago

75, 80, 86, 88, 72, 80 Find the Mean of the data set *

Mathematics

2 answers:

Mademuasel [1]2 years ago

8 0

The answer is around 80.17

Anna007 [38]2 years ago

8 0

Answer:

The mean is 80

mode:80

median:80

I hope I helped!

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If a box has a surface area of 680 and the length and width are 10. What is the height?

Molodets [167]

10x10=100

680/100=6.8

10x10x6.8=680

the answer is 6.8

8 0

3 years ago

Y is directly proportional to the square of x.

RUDIKE [14]

Answer:

The value of y is 847 for x=11

Step-by-step explanation:

It is given that y is directly proportional to the square of x

This can be written mathematically as:

$y \propto x^2$

Removing the proportionality symbol introduces a proportionality constant in the equation which is denoted by k

$y = kx^2$

Given that "When x is 5, y is 175"

$175 = k (5)^2\\175 = k*25\\k = \frac{175}{25}\\k = 7$

Putting the value of k

$y = 7x^2$

Now putting x = 11

$y = 7(11)^2\\y = 7 * 121\\y = 847$

Hence,

The value of y is 847 for x=11

5 0

2 years ago

If anyone knows it would be helpful

Oduvanchick [21]

Answer:

I believe that the answer is C.

Step-by-step explanation:

5 0

2 years ago

WhWhich of these four sets of side lengths will form a right triangle? Set 1 10 cm, 26 cm, 24 cm Set 2 4 in., 2 in., 6 in. Set 3

Aloiza [94]

Answer:

All four Sets didn't work

Step-by-step explanation:

You should be doing hypothnose aka: a² + b² = c²

If they both equal that means they are a right triangle.

Set 1:

24² + 26² = 110²

576 + 676 = 10²

1252 = 12100

Set 2:

2² + 4² = 6²

4 + 16 = 6²

20 = 36

Set 3:

13² + 14² = 15²

169 + 196 = 15²

365 = 225

Set 4:

10² + 20² = 30²

100 + 400 = 30²

500 = 900

5 0

2 years ago

Order least to greatest. 7/9, 32/45, 20/27, <br> 2/3

Rufina [12.5K]

2/3, 32/45, 20/27, 7/9

7 0

2 years ago