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kicyunya [14]
3 years ago
10

Help, please will mark brianliest

Mathematics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

5x  + 2

A

Step-by-step explanation:

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The ratio of the number of men to the number of women in a sports club is 5:2.
user100 [1]

Let the number of men and the number of women in the beginning be x and y

Now,\sf  \frac{x} {y} =\frac{5}{2} \\\\\sf=2x=5y \\\\\sf=x=\frac{5y}{2}

Now, In 2nd case,

No. Of men=x-63 and no. Of women =y-12

Now,the ratio becomes\frac{x-63}{y-12}=\frac{7}{4} \\\\\sf=4(x-63)=7(y-12) \\\\\sf=4x-252=7y-84 \\\\\sfPutting,\:x=\frac{5y}{2}\:in\: 4x-252=7y-84\:we\: get, \\\\\sf10y-252=7y-84 \\\\\sf=10y-7y=252-84 \\\\\sf=3y=168 \\\\\sf=y=56 \\\\\sf=\boxed{Y=56}

Now,we have, 2x=5y

Putting the value of Y=56 in 2x=5y,we get,

\sf 2x=5\:x\:56 \\\\\sfx=\frac{5\:x\:56}{2} \\\\\sfx=\frac{5\:x\: \cancel{56}\:\:28}{ \cancel{2}} \\\\\sf=x=5\: x\: 28 \\\\\sfx=140 \\\\\sf\boxed{x=140}

Hence, the number of men was 140 and the no. of women was 56

Hi...I am from India.. Where are you from?

8 0
3 years ago
Physics students drop a ball from the top of a 100 foot high building and model its height as a function time with the equation
pishuonlain [190]

When the ball hits the ground, the height is 0.

0 = 100 - 16t²

0 = (10 - 4t)(10 + 4t)

0 = 10 - 4t     or     0 = 10 + 4t

4t = 10          or       -4t = 10

 t = \frac{10}{4}             or          t = -\frac{10}{4}

Time cannot be negative (unless you have a time machine) so disregard  -\frac{10}{4}

Answer: t = \frac{5}{2} = 2.5 seconds

6 0
3 years ago
Find x and y and i just need the answer, no need to show work.
vichka [17]

Answer:

x= 20

y = 60

Step-by-step explanation:

y = 3x

6(3x) = 360

3x = 360/6

3x = 60

x = 20

y = 3*20

y = 60

7 0
2 years ago
What did Brahmanism and early Hinduism have in common??
Tju [1.3M]
Brahminism originated from the Aryan religion. The Aryans designated a few priests as Brahmans who were responsible for the correct execution of religious rituals. Early hinduism originated after  the Aryan religion mixed with those already existent in the Indus Valley. The common beliefs between Hinduism and Brahminism include the belief of an afterlife, reincarnation and division of the society into sects or classes.
8 0
4 years ago
figure PQRS is a parallelogram. What are the measures of angles P and S? ∠P = 20°; ∠S = 160° ∠P = 40°; ∠S = 140° ∠P = 140°; ∠S =
viktelen [127]
I believe it is C (p=140 s=40)
4 0
3 years ago
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