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lions [1.4K]
1 year ago
13

How many boys are there in an introductory chinese course if 363 students are enrolled and there are six boys to every five girl

s?
Mathematics
1 answer:
loris [4]1 year ago
3 0

There are 198 boys in the introductory Chinese course

<h3>How to determine the number of boys?</h3>

The given parameters are

Total = 363

Ratio = Boys : Girls = 6 : 5

So, we have

Boys =6/(5 + 6) * total number of students

This gives

Boys = 6/11 * 363

Evaluate

Boys = 198

Hence, there are 198 boys in the introductory Chinese course

Read more about ratio a:

brainly.com/question/2328454

#SPJ4

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A parallelogram has a length of 15cm and a height of 7.5cm . Calculate it’s area (step by step)
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Answer:

Area of parallelogram is equal to 112.5cm^2

Step-by-step explanation:

It is given length pf parallelogram which is equal to base of parallelogram is b=15 cm

Height of parallelogram h = 7.5 cm

We have to find the area of the parallelogram.

Area of parallelogram is equal to multiplication of base and height.

Therefore area of parallelogram is,

A=bh, here b is base and h is height.

So A=15\times 7.5=112.5cm^2

Therefore area of parallelogram is equal to 112.5cm^2

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3 years ago
Write the number in scientific notation. 322,000,000
Crazy boy [7]
It would be 3.22x10^8
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It takes Kay 20 minutes to drive to work traveiling 45 mph. Two minutes after she left home this morning, her husband, Dan, star
BARSIC [14]

Answer:

Kay's husband drove at a speed of 50 mph

Step-by-step explanation:

This is a problem of simple motion.

First of all we must calculate how far Kay traveled to her job, and then estimate the speed with which her husband traveled later.

d=vt

v=45 mph

t= 20 minutes/60 min/hour = 0.333 h (to be consistent with the units)

d= 45mph*0.333h= 15 miles

If Kay took 20 minutes to get to work and her husband left home two minutes after her and they both arrived at the same time, it means he took 18 minutes to travel the same distance.

To calculate the speed with which Kate's husband made the tour, we will use the same initial formula and isolate the value of "V"

d=vt; so

v=\frac{d}{t}

d= 15 miles

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v=\frac{d}{t}=\frac{15 miles}{0.3 h}=50mph

Kay's husband drove at a speed of 50 mph

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Giselle works as a carpenter and as a blacksmith.
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34.5 hours as carpenter or 27.6 hours for blacksmith (Not sure about this sorry)

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690 ÷ 20 and 690 ÷ 25

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One number is one third of another number. The sum of both numbers is 16. Find the numbers.
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Step-by-step explanation:

Let x be the "another number"

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x = 12

Therefore, the numbers are 4 and 12.

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