MATHEMATICS HIGH SCHOOL

The ratio of men to women on a train was 5:8 there was 200 men-
A- how many women were on the train
B- how many people were on the train all together

Answers

Answer 1
Answer: 5x-\ number\ of\ men\n\n8x-\ number\ of\ women\n\n5x=200\ \ \ |divide\ by\ 5\nx=40\n\nWomen: 8x=8*40=320\nMen:5x=5*40=200\n\Together:320+200=520

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See attached file. show all work.

PLEASE ANSWER ASAP FOR BRAINLIEST

Answers

Answer:

12

Step-by-step explanation:

When you count the units it's 3, but because the scale factor is 4, you have to multiply it by that. 3 times 4 is 12.

Which of the following statements contain a variable? Check all that apply.A. The amount of time you ran on the track.
B. How high you can jump.
C. The time school starts.
D. The temperature outside is 31 degrees.

Answers

Answer: A C explanation:

By what factor is Triangle 1 reduced to form Triangle 2?

Answers

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The required scale factor is :

  • 0.75

Mr Morris earns $3500 per month. He deposits 2/7 of his salary every month. How much money will he deposit in 5 month.

Answers

5000, take 3500 multiplied by 2/7 to find the amount of money deposited per month which is 1000 then multiply it by 5 to find the deposit over 5 months
3500 x 2/7= 1000
1000 x 5 = 5000

He will deposit $5000 in 5 months

Find the value or values of the Y in the quadratic equation y squared + 4 y + 4 equals 7

Answers

y² + 4y + 4 = 7
             - 7  - 7
 y² + 4y - 3 = 0
               y = -(4) ± √((4)² - 4(1)(-3))
                                   2(1)
               y = -4 ± √(16 + 12)
                                 2
               y = -4 ± √(28)
                            2
               y = -4 ± 2√(7)
                            2
               y = -2 ± √(7)
               y = -2 + √(7)    U    y = -2 - √(7)

In Canada, $1 and $2 bills have been replaced by coins. When Marissa returned home to San Fran from a trip to Canada, she found that she had acquired 37 of these coins, with a total value of 51 canadian dollars. How many coins of each denomination did she have?

Answers

Answer:

$1 coin is 23

$2 coin is 14

Step-by-step explanation:

We need to form mathematical equations that we can solve from this Long citation.

Firstly, let the numbers of $1 coins be a and that of $2 be b.

We know that there are 37 coins. Hence

a + b = 37

Now, total is 51 Canadian dollars.

a + 2b = 51

Let’s now solve this simultaneously

From 2 , a + b + b = 51

Let’s say this is 3. Now substitute 1 into 3.

37 + b = 51, b = 51 - 37 = 14

Since a + b = 37

a = 37 - 14 = 23
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