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hram777 [196]
3 years ago
12

A teacher had 39 students in her classes. If each student completed 73 problems which expression shows about how many problems s

he'd have to grade?
Mathematics
1 answer:
kumpel [21]3 years ago
6 0
39 x 73 - use a calculator or something if you need the answer for it.
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Twice the sum of a number and 3 is 20.
tamaranim1 [39]

Answer:

true

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Ariana is going to invest in an account paying an interest rate of 1.9% compounded monthly. How much would Ariana need to invest
Brrunno [24]

Answer:

110000=p(1+0.019)^168

23.62p=110000

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8 0
3 years ago
A right triangle has a hypotenuse of 10 feet and a leg of 6 feet. What is the length of the other leg?
Artemon [7]

Answer:

The other length of the leg is <em>8 feet.</em>

Step-by-step explanation:

To find the answer we have to find what<em> 10</em> and <em>6 is squared.</em>  <em>10 x 10 = 100</em>.  

<em>6 x 6 = 36.  </em>Now since we are trying to find the length of the other leg, we will <em>subtract 100 from 36</em> and we get <em>64</em>.  Then for the last step, we will figure out what number<em> squared equals 64.</em>  Because 8 x 8 = 64, <em>8 is our answer.</em>

3 0
3 years ago
Please answer this and thank you<br><br> If DE=4x+10, EF=2-1, and DF=9x-15, find DF.
professor190 [17]
I hope that 2-1 means 21.

DE + EF = DF
4x + 10 + 21 = 9x - 15
4x + 31 = 9x - 15
31 = 9x - 4x - 15
31 = 5x - 15
46 = 5x
x = 9 1/5 = 9.2

You want 9x - 15
9*9.2 - 15
82.8 - 15
67.8 <<<<< answer. 
If I have given the wrong meaning to 2-1 (which could mean 1) leave another note and I will correct my work. 
8 0
3 years ago
Choose the amount of money that is equal to 9 dimes. 4 quarters 3 quarters 3 nickels 2 quarters 3 dimes 4 quarters
mixas84 [53]

Answer:

$4.60 dollars

3 0
3 years ago
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