All categories

4 years ago

The heights in cm of some pupils are

Mathematics

1 answer:

tatuchka [14]4 years ago

4 0

The median is a halfway point in the set of data.

List the numbers in order from smallest to largest:

111, 129, 144, 149, 152, 162, 166, 171

Because there are an even number of values in the data set, find the two middle numbers, add them together and then divide by 2:

Median = ( 149 + 152 ) /2

Median = 150.5

You might be interested in

Toyland is having a sale all items are 20% off how much will you save an item that usually sells for $95

nika2105 [10]

$95 × 20% = $19

anything to ask please pm me

5 0

4 years ago

find the volume of a cylinder if it has a diameter of 8 and a height of 12 leave your answer in terms of pie

Mariana [72]

<h3> ♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ The formula for volume of a cylinder is:

$\pi r^2h$

The radius is half the diameter

Radius = 8/2 = 4

Substitute the values in:

$\pi (4)^2(12)$

Surface area = $192\pi$

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0

3 years ago

What are the quadratic equations for x=-14

raketka [301]

Answer:

$x^{2} +14x=0$

Step-by-step explanation:

Given:

Given root is

$x=-14,\ 0$

Now we need to find the quadratic equation for given roots.

Solution:

The given roots are -14 and 0.

So, the sum of the roots.

$\alpha +\beta = -14 + 0$

$\alpha +\beta = -14$

Product of the given roots

$\alpha\times \beta = -14\times 0$

$\alpha\times \beta = 0$

Therefore, the required quadratic equation is.

$x^{2} -(\alpha +\beta )x+\alpha\times \beta=0$ -------------------(1)

Now we substitute $(\alpha +\beta )$ and $(\alpha\times \beta)$ in equation 1.

$x^{2} -(-14)x+0=0$

$x^{2} +14x=0$

Therefore, the quadratic equation for the given root is. $x^{2} +14x=0$

4 0

3 years ago

3√(64x^9y^3)^4. Simplify the expression.

Paraphin [41]

Answer:

$2x^{2}y$

Step-by-step explanation:

5 0

3 years ago

The directions on a sewing pattern say to cut an extra 15% of fabric to account for error. Chloe needs 0.75 yard of fabric to ma

Marat540 [252]

Answer:

Step-by-step explanation:

for an error. Chloe needs a 0.75 yard of fabric to make a skirt, so she cuts - 77… ... The directions on a sewing pattern say to cut a extra 15% of fabric to account for an error. Chloe needs a ... yard. Did Chloe cut the correct amount of fabric? ... No, Chloe cut only 15% of the .75 yards of fabric she needed

8 0

3 years ago