a school principal orders 75 boxes of chalk. each box has 12 sticks of chalk, the school has 23 teachers. Does the principal have enough chalk to give each teacher 40 sticks? if yes, how many sticks are left over? if no, how many more sticks does the principal need?

Answers

Answer 1
Answer: well 75x12=900 so 900 divided by 40 is 22.5 so 22 teachers can have 40 chalks but the principal needs to order another 20 :)

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What percent of 145 is 29

Answers

(x)/(100)* 145 = 29\n\nx = 29* (100)/(145)\n\n\boxed{x = 20}

The percentage value of 29 from 145 is 20%

Given the parameters which could be used in our calculation:

  • Numerator = 29
  • Denominator= 145

Write the expression thus :

(29/145) * 100%

0.2 * 100%

= 20%

Hence, the percentage Value of 29 from 145 is 20%

Learn more on percentages: brainly.com/question/24304697

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The value of a professional basketball player's autograph rose 30% in the last year. It is now worth $273.00. What was it worth a year ago?

Answers

$210
because if it rose 30%, it's now 130% of what is used to be
or (what it used to be) ×1.3
so do the reverse and divide the new cost by 1.3
so 273÷1.3 which is 210

Answer:

210

Step-by-step explanation:

Find the solutions to the equation by completing the square.x² - 6x = 7
x² - 6x___= 7
(x - ² = ___
x - 3= +/-___
x-3=__and x-3 =__

Answers

Answer:

Step-by-step explanation:

hello :

x² - 6x = 7

x² - 6x+9-9___= 7

(x - 3 )²= __16_

x - 3= +/-_4__

x-3=4__and x-3 =_-4_

How do you use the order of operations to evaluate expressions with exponents

Answers

Exponents come 2nd in line for PEMDAS (order of operations).

Once you finish the parenthesis, you move on to the exponents.

Find the distance between the following points: (-1,2) and (3,-2)

Answers

Answer:

5 units

Step-by-step explanation

Graph it out. You graph (-1,2) and (3,-2). Find the distance by seeing how many points are in between (diagnolly n this case)

The new service charges a sign up if $10 . Then , you can rent as many movies as you want for $12 per month , which equation shows the total cost for renting movies over time

Answers

y= total amount of money paid
x= number of months
Because you started with 10 and you have to pay 12 dollars each month:

y= 12x+10

Hope this helps :)