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Setler [38]
3 years ago
5

There are 8 math classes in 7th grade.

Mathematics
1 answer:
gtnhenbr [62]3 years ago
5 0

Answer:

27 in each of the 7 classes

Step-by-step explanation:

First you would subtract 32 from 221

221 - 32 = 189

Then you would divide 189 (the total remaining students not in the 8th class) and divide by 7 (the total of classes remaining with equal students)

This will give you 27

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What is the reciprocal of 2/9
brilliants [131]
The reciprocal of any number is the other number you must multiply it by to equal one. In this case it's 9/2
5 0
3 years ago
Read 2 more answers
New helppppp‼️ how do u solve these 3 problems?
ss7ja [257]

Answer:

1- 16x-12

2- 6(6x-1)

3. -qx+24x-18

Step-by-step explanation:

Hope this help

Have a nice day

6 0
3 years ago
Use the distributive property -5 {x + 4} + -3x + -9x + -7
grin007 [14]

Answer:

-17x - 27

Step-by-step explanation:

Distributive property is the multiplication of the number outside the parenthesis and the ones inside.

-5(x + 4) + -3x + -9x + -7

-5x - 20 + -3x + -9x + -7

Combine like terms:

-5x - 20 + -3x + -9x + -7

-5x +-3x

 -8x + -9x

      -17x

-17x - 20 + -7

     -20 + -7

         -27

The answer is -17x - 27

Hope this helped.

8 0
3 years ago
How much does Craig earn each month,in dollars?
allsm [11]

Answer:

Craig must be rich LOL cuz It says its 1/20 of his paycheck each month so u have to multiply by 20

Step-by-step explanation:

720*20 = 14440

7 0
2 years ago
Adrienne operates the milkshake machine at Burgers and Shakes. on Monday she added whipped cream to 210 shakes.This was 70% of t
Natalka [10]

Answer:

Total number of milkshakes sold on Monday = 300

Number of milkshakes without whipped cream = 90

Step-by-step explanation:

Given:

Adrienne adds whipped cream to 210 milk shakes which is 70% of the total milk shakes sold.

To find the total milkshakes sold.

Solution:

Let the total number of milkshakes sold on Monday be = x

Percentage of milkshakes with whipped cream added to them = 70%

Number of milk shakes with added whipped cream can be given as:

⇒ 70\% \textrm{ of the total number of milkshakes}

⇒ 70\% x

⇒ \frac{70}{100}x  [Representing percent in fraction form]

⇒ 0.7x  [evaluating in decimals]

We know that the number of milkshakes with whipped cream added to them = 210.

So, we have:

0.7x=210

Solving for x

Dividing both sides by  0.7

\frac{0.7x}{0.7}=\frac{210}{0.7}

∴ x=300

Thus, total number of milkshakes sold on Monday = 300

Number of milkshakes without whipped cream = 300-210= 90

6 0
3 years ago
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