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elena-14-01-66 [18.8K]
3 years ago
7

In Crestview Middle School, 12 out of 16 students are right handed. If there are 400 students in the school, how many are right

handed?
Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

the answer is 300

Step-by-step explanation

there are 16 people so we divide that by the total number of students

400 divided by 16 = 25

since there are 12 right handed in each group we multpily it by 12

25 x 12 = 300

and theres your answer!

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True

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A cereal box is 8 in by 2in by 12in what is the surface area.​
LUCKY_DIMON [66]

192 in2

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4 0
3 years ago
2. An articulated truck is loaded with cylindrical containers filled with oil. The height of each container is 80cm and the diam
RoseWind [281]

The volume of each container is: 25,133 cm^{3}

Given:

height of container (h) = 80 cm

diameter of container (d) = 20 cm

radius = half of diameter = \frac{1}{2} of 20 = 10 cm

Recall:

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

<em>Substitute the values into the formula:</em>

Volume = \pi \times 10^{2} \times 80 = 25132.74123

Therefore, volume of each cylinder is approximately 25,133 cm^{3}

Learn more about volume of cylinder here:

brainly.com/question/971817

8 0
3 years ago
Find the sum of the following infinite geometric series.
Crazy boy [7]

Answer:

Final answer is \frac{80}{3}.

Step-by-step explanation:

We have been given an infinite geometric series.

Now we need to find it's sum.

common ratio r=-\frac{1}{5}.

plug n=1 to get the first term

a_n=32\left(-\frac{1}{5}\right)^{\left(n-1\right)}

a_1=32\left(-\frac{1}{5}\right)^{\left(1-1\right)}

a_1=32\left(-\frac{1}{5}\right)^{\left(0\right)}

a_1=32\left(1\right)

a_1=32

Now plug these values into infinite sum formula

S_{\infty}=\frac{a_1}{1-r}=\frac{32}{1-\left(-\frac{1}{5}\right)}=\frac{32}{1.2}=\frac{320}{12}=\frac{80}{3}

Hence final answer is \frac{80}{3}.

8 0
3 years ago
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