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3 years ago

Only answer this if you have an explanation and if you know what the answer is.

Mathematics

2 answers:

andrey2020 [161]3 years ago

6 0

B I hope you get this keep up the great work

Rzqust [24]3 years ago

3 0

Answer:

B. 3

Step-by-step explanation:

You can use online calculators for this like symbolab.com for steps! Here is your specific question answered with steps: https://www.symbolab.com/solver/step-by-step/%206%20%E2%88%92%203%5E%7B3%7D%20%5Cdiv%5Cleft(2%5E%7B2%7D%20%2B%205%5Cright)%20

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There are 270 students at Colfax Middle School, where the ratio of boys to girls is 5:4. There are 180 students at Winthrop Midd

zavuch27 [327]

Given:

Total number of students at Colfax Middle School = 270

Ratio of boys to girls is 5:4.

Total number of students at Winthrop Middle School = 180

Ratio of boys to girls is 4:5.

The two schools hold a dance and all students from both schools attend.

To find:

The fraction of the students at the dance are girls

Solution:

There are 270 students at Colfax Middle School, where the ratio of boys to girls is 5:4.

$5+4=9$

Number of boys $=270\times \dfrac{5}{9}=150$

Number of girls $=270\times \dfrac{4}{9}=120$

There are 180 students at Winthrop Middle School, where the ratio of boys to girls is 4:5.

$4+5=9$

Number of boys $=180\times \dfrac{4}{9}=80$

Number of girls $=180\times \dfrac{5}{9}=100$

Now,

Total number of students in both schools $= 270+180$

$= 450$

Total number of girls in both schools $= 120+100$

$= 220$

The fraction of the students at the dance are girls is

$\text{Required fraction}=\dfrac{\text{Total number of girls in both schools}}{\text{Total number of students in both schools}}$

$\text{Required fraction}=\dfrac{220}{450}$

$\text{Required fraction}=\dfrac{22}{45}$

Therefore, the required fraction is $\dfrac{22}{45}$ .

7 0

3 years ago

Pls help, this is due today

slava [35]

What’s the question?
If it’s area then the formula is pi r^2
If it’s the circumference then the 2pi r or pi d

3 0

3 years ago

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ill give brainliest n a recent survey, 3 out of every 5 students said Math is their favorite class.If 200 students were surveyed

anyanavicka [17]

Answer: D. 120 students

Step-by-step explanation:

This is an easy solution

Take 300 and divide it by 5

300/5

This will result in 40

Now Multiply 40 by 3

Like so: 40x3

This will result in 120

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daser333 [38]

The application system is like a test!
Example: To apply for take a walk-in exam held at the DCAS Computer Based testing and applications.

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3 years ago

Which number produces an irrational number when added to 0.5

kvv77 [185]

Answer is 1

Step-by-step explanation:

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