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Eva8 [605]
2 years ago
10

A school staff meeting had 30 teachers in attendance, 60% of whom were first-year teachers. How many first-year teachers were in

the meeting?
Mathematics
1 answer:
slavikrds [6]2 years ago
4 0

Answer:

I personally think the answer is because if the 60% of the teachers among 30 teachers were first-year teachers,then it would mean the other 40 % of the teachers were recent/ this year teachers.

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The cooking club made some pies to sell during lunch to make money to go on a field trip. The cafeteria helped by donating two p
Angelina_Jolie [31]

Answer:

They made 7 pies

Step-by-step explanation:

2 x 5 = 10

45 - 10 = 35

35 divided by 5 = 7  

Hopefully this helps you :)

pls mark brainlest ;)

3 0
3 years ago
Is -1 1/4 Bigger Than -4 1/4
viva [34]

Answer:

Yes

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
Describe any domain restrictions that make sense for each of these scenarios: The price of a stock fluctuates several times thro
mrs_skeptik [129]

Answer:

  • a) Restriction: days of the year (a discrete time)

  • b) The time the ball is on the air: t = 0, until the balls touchs the ground (any real value from t = 0 to t when the ball hits the ground)

  • c) Any positive real value: x ≥ 0

Explanation:

The <em>domain </em>is the set of elements that can be inputs of the <em>function</em>.

<u><em>1. The price of a stock fluctuates several times throughout the year as a function of time.</em></u>

The input variable is the time through out the year.

If you assume that the fluctuaion is recorded once a day, and not every second, the logical assumption is that the time is a day of the year.

Thus, the restricion is the days of the year.

You could represent them in different forms, like DD/MM/YY, or even as a number from 1 to 365 if it covers just one year.

<u><em></em></u>

<u><em>2. A ball is hit into the air by a baseball player, rises until it reaches its highest point, and then falls into left field.</em></u>

The domain is the time the ball is on the air, which may be any real value from t = 0, until the balls touchs the ground.

It is not restricted to integer numbers.

<u><em>3. The volume of a spherical balloon increases as the balloon is blown up and decreases as air is let out of it.</em></u>

The inputs of the function are amounts of air, which may be measured as number of moles.

The number of moles can be any real value equal or greater than zero.

Thus, the domain is the positive real values x ≥ 0.

8 0
3 years ago
Read 2 more answers
3 Questions Math! HELP!!!
Sveta_85 [38]
1) Since the larger number is a negative, you’re going to get a negative solution for number one. An easy way to do the math is to ignore the negative sign in (-116) For a moment. And subtract 56 from it.
116 - 56 = 60. Don’t forget to place the negative sign we pushed to this side before the solution. The answer is -60.

2) We do the same thing we did in number one, but with new numbers. The answer in total is -178.

3. As stated, we do the same thing we did in number one. Just because there’s a decimal doesn’t change much. And your answer would be -1.1
8 0
3 years ago
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Simplify 7(x - 2) - 4x + 9​
DaniilM [7]
First, multiply. 7x-14-4x+9. Now, add the like terms. 3x-5.
7 0
3 years ago
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