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3 years ago

I need someone’s help !!

Mathematics

1 answer:

Vilka [71]3 years ago

3 0

I believe this is the answer to your problem.

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40% of the students in a class with 80 students in total are male students. how many female students does this class have?

V125BC [204]

48. 40% of 80 is 32. 80-32=48. Which means there are 32 boys and 48 girls.

5 0

3 years ago

(2 p + 7)(3 p - 9)

scZoUnD [109]

$(2p+7)(3p-9)\\6p^2-18p+21p-63\\6p^2+3p-63$

Your answer is 2. $6p^2+3p-63$ !

⭐ Please consider brainliest! ⭐

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7 0

3 years ago

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Solve for L:<br> P=2L+2W

Korvikt [17]

Answer:

$L=\frac{1}{2}P-W$

Step-by-step explanation:

Let's solve for L.

$P=2L+2W$

Step 1: Flip the equation.

$2L+2W=P$

Step 2: Add $-2W$ to both sides.

$2L+2W+-2W=P+-2W$

$2L=P-2W$

Step 3: Divide both sides by $2$ .

$\frac{2L}{2}=\frac{P-2W}{2}$

$L=\frac{1}{2}P-W$

Answer:

$L=\frac{1}{2}P-W$

4 0

3 years ago

Your family has a circular swimming pool. The radius of the pool is 9 feet and and its depth is 4 feet. What is the volume of th

-Dominant- [34]

Given

Your family has a circular swimming pool.

The radius of the pool is 9 feet and and its depth is 4 feet.

Find out the volume of the pool.

To proof

As depth is given in the question that means the shape of the swimming pool

is cylinder.

Formula

$Volume\ of\ cylinder = \pi r^{2}h$

where r = radius

h = height

now

radius of the pool is 9 feet and and its depth is 4 feet.

put all the values in the above equation

we get

$= \pi\times 9^{2}\times 4$

use 3.14 to approximate pi

$= 3.14\times 9\times9\times4$

we get

= 1017.4 ( approx )feet²

Hence proved

7 0

3 years ago

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When the outliers are removed, how does the mean change? dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 o

sveticcg [70]

We can plot this data on MS Excel and determine the distribution of these data reflected on the graph. Among these numbers, 50 is the outlier since it is very far from the other numbers ranging from 76 to 83. We can perform interquartile range to determine or verify the outliers in the data set. In this respect, we can see that there is not much distribution seen. The average of all data sets is equal to 96.25. When the outlier (50) is removed, we expect the mean to become higher since a low number was ommitted including high numbers only. Outliers are obtained from special causations such as human errors.

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3 years ago

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