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Darya [45]
2 years ago
6

I need help with this

Mathematics
1 answer:
UNO [17]2 years ago
4 0

Step-by-step explanation:

Total number of people = 60

Ratio of men to women = 1:2

Total ratio of men to women or Total parts = 1 + 2 = 3 parts

Number of men = 1/3 × 60

Number of men = 20 men

Given number of men who passed = 17 men

Therefore number of men who failed = 20 - 17

number of men who failed = 3 men

Number of women = 2/3 × 60

Number of women = 40 women

Number of people who failed = 1/5 × 60

Number of people who failed = 12 people

And number of women who failed = 12 - 3

number of women who failed = 9 women

Number of women who passed = 40 - 9

Number of women who passed = 31 women

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A is 5 years older than T. In 3 years, T will be 2/3 A age. How old is A?
Ivanshal [37]

Answer:

12 years

Step-by-step explanation:

T + 5 = A

Therefore T =A - 5

In three years T = 3+ (A-5)

thus T = A - 2

Also in three years T = 2/3 (A+3)

Equating the two

A -2 = 2/3 (A+3)

3A - 6 = 2A + 6

3A - 2A = 6 + 6

Therefore A = 12

6 0
3 years ago
the starving actors guild holds its annual winter arts festival in hopes of raising $13,344 by selling 824 tickets. The guild ch
kap26 [50]
A + c = 824                             represents number of tickets to sell
20a + 12c = 13,344                represents cost of each type of ticket

multiply equation 1 by -12 to cancel the variable 'c' and solve for 'a'

-12(a + c = 824)

-12a - 12c = - 9888
 20a + 12c = 13,344         add equations together
-----------------------------
    8a          = 3456           divide both sides by 8
     a = 432

To find children's tickets substitute adult numbers back into equation 1.
a + c = 824
432 + c = 824
subtract 432 from both sides
c = 392

adult 432, children 392
8 0
3 years ago
A pitched roof is built with a 2:5 ratio of rise to span. If the rise of the roof is 12 meters, what is the span?
grin007 [14]
15 meters!! Is the correct answer
3 0
2 years ago
1. ​Find the area of the triangle. Show as much work as possible for full credit.
Ugo [173]

Answer:

A = 5/12 x^2

Step-by-step explanation:

A = 1/2 bh

The base is 5/6x and the height is x

A = 1/2 (5/6x) *x

A = 5/12 x^2

5 0
3 years ago
(-4)^2 <br> (-3)^3<br> Evaluate
iris [78.8K]
(-4)^2= 16

(-3)^3= -27
7 0
3 years ago
Read 2 more answers
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