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mojhsa [17]
3 years ago
12

Write a real world problem that you could represent with the equation 20 - n = 4. Solve the equation to find the answer to your

problem
Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

David has 20 baseball cards, he sells N cards and now he only has 4 cards. how many cards did David sell?

20-4=16

David sold 16 baseball cards.

larisa [96]3 years ago
6 0

Answer:

I used 16 out of my 20 dollars to buy some chips at the cvs now I only have 4 dollars to spare.

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The quotient, of the product of 25 and an unknown number, and 45 is -65. What is the equation for the statement? What is the val
KIM [24]
If the unknown number is x then the equation is:
25x/45=-65                                               
Solution
5x/9=65
5x=-65*9
5x=-585
5x/5=-585/5
x=-117
6 0
3 years ago
Łatwy ułamek <br> 36/7-3/5-4/10
Free_Kalibri [48]

Answer:

4 \frac{1}{7}

Step-by-step explanation:

\frac{36}{7}  -  \frac{ 3}{5}  -  \frac{4}{10}  \\  \\ lcm  \: \: is \:  \: 70 \\  \\  \frac{360 - 42 - 28}{70}  \\  =  \frac{290}{70}  \\  =  \frac{29}{7}  \\  = 4 \frac{1}{7}

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>

<em>Can</em><em> </em><em>I</em><em> </em><em>have</em><em> </em><em>the</em><em> </em><em>brainliest</em><em> </em><em>please</em><em>?</em>

5 0
3 years ago
How did immigration to the United States from Europe change between 1840 and 1850?
Black_prince [1.1K]

Answer:

it more than tripled

Step-by-step explanation:

I'm not sure if you need more but it requires me to type more to send the answer

7 0
2 years ago
Read 2 more answers
Simplify the following complex fraction.(3/7---1/3)2/3-----1/7
Yakvenalex [24]
Please retype this fraction.  If by "---" you mean "subtraction," type 3/7-1/3.

Let's assume that the problem is as follows:  (3/7-1/3)(2/3)-1/7;
first, find the LCD of 3/7 and 1/3 and then combine 3/7 and -1/3).
second, multiply your result by (2/3).
third, subtract 1/7 from your result.

If, however, your "---" and "-----" mean "division, then the above is all wrong.

If that's the case, then please retype your whole question.

You could express "the quotient of 2/3 and 1/6" as follows:
   
            2
          ----
            3

------------------------
            1
          -----
             6

Is that what you meant?

Sorry to be picky, but it's very important that you express math properly.





4 0
3 years ago
AD = 3x + 4 and CD = x + 6, what is the value of x?
lesantik [10]
Your answer would be x = 1.

The rules for a kite shape is that two pairs are of equal length, which means we can say that AD = CD and thus form an equation:

3x + 4 = x + 6
- x
2x + 4 = 6
- 4
2x = 2
÷ 2
x = 1

I hope this helps!
5 0
3 years ago
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