MATHEMATICS HIGH SCHOOL

The temperature was 3 degrees Celsius it falls by 7 degrees celcuies what temperature is it now?

Answers

Answer 1
Answer:

Answer:

-4°

Step-by-step explanation:

3-7 = -4

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How do u multiply x^2-4 over x^2-1 times x+1 over x^2+2x

Answers

(x ^ 2-4 )/(x ^ 2-1)*( x + 1 )/(x ^ 2 +2 x)=(x ^ 2-2^2 )/(x ^ 2-1)*( x + 1 )/(x(x +2 )) =\n \n \n =((x -2)\not(x+2)^1 )/((x -1)\not(x+1)^1)*( \not(x + 1)^1 )/(x\not(x +2)^1 )= ( x-2 )/(x(x-1)) \n \n \n \na^2-b^2 =(a-b)(a+b)
(X2-4)/(x2-1).  *  (x+1)/(x2+2x)
[(x-2)(x+2)]/[(x-1)(x+1)]. * (x+1)[x(x+2)]
(x-2)/(x-1) * 1/x
(x-2)/(x2-x)

On one of the day you went to the gym, the ratio of men to women was 3 : 2. If 120 men used the gym, how many women were there?

Answers

Answer

Find out the  how many women were there .

To prove

Let us assume that the x is the scalar multiple of men and women.

As given

The ratio of men to women was 3 : 2.

Than

The total number of men = 3x

The total number of women = 2x

As given

If 120 men used the gym.

thus

120 = 3x

x = (120)/(3)

x = 40

The total number of women = 2 × 40

                                               = 80

Therefore 80 women were there in the gym .
The answer is 120 : 80, so there is 80 women.

3/2 is equal to 120/80.

A bank pays 5% interest compounded annually. What principal will grow to $12,000 in 10 years.

Answers

Answer: 7366.96 dollars

========================================================

Use the compound interest formula:

A = P(1+r/n)^(n*t)

where in this case,

A = 12000 = amount after t years

P = unknown = deposited amount we want to solve for

r = 0.05 = the decimal form of 5% interest

n = 1 = refers to the compounding frequency (annual)

t = 10 = number of years

-------

Plug all these values into the equation, then solve for P

A = P(1+r/n)^(n*t)

12000 = P(1+0.05/1)^(1*10)

12000 = P(1.05)^(10)

12000 = P(1.62889462677744)

12000 = 1.62889462677744P

1.62889462677744P = 12000

P = 12000/1.62889462677744

P = 7366.95904248911

P = 7366.96

Mark made a smoothie using the following ingredients, 1 1/4 cups of strawberries, 2 2/4 cups of vanilla yogurt, 1/2 cup of orange juice, and 2 1/2 cup of strawberry yogurt. What is the total amount of yogurt Mark used in the smoothie? * 1 point 3 cups 2 3/6 cups 5 cups 1 ¼ cups

Answers

Answer:

5 cups

Step-by-step explanation:

Only two of the ingredients are yogurt, the vanilla yogurt and the strawberry yogurt. Add these together to get the total amount of yogurt used.

2 2/4 vanilla and 2 1/2 strawberry

Convert the fractions to decimals

2.5+2.5=5

5 cups

What is the greatest possible error if Bruce measured a buckle as 3.2 cm using the ruler?

Answers

Answer:

The greatest possible error for the measurement 3.2 cm is 0.05 cm.

Step-by-step explanation:

We have given that,

Bruce measured a buckle as 3.2 cm using the ruler   

We have to find,

What is the greatest possible error?

Solution is given by,

The greatest possible error is defined as the error is half of the measuring unit.

Bruce measured a buckle as 3.2 cm using the ruler.

The measuring unit is nearest tenth of a cm or 0.1 cm.

The  greatest possible error is half of 0.1.

i.e.GPE=(0.1)/(2)

     GPE=0.05}

Therefore, The greatest possible error for the measurement 3.2 cm is 0.05 cm.

Miguel ordered a party tray of sandwiches for a birthday party. during the party, the guests left of the sandwiches. the next day, miguel shared the leftover sandwiches with his family who ate of the remaining sandwiches. which fraction represents the portion of the entire tray miguel's family ate?

Answers

What are the numbers?
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