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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 product of a number and 7, decreased by the number is equal to 42. find the number.
lozanna [386]
Let the number be x.
7x-x=42
6x=42
x=7
the number is 7
7 0
3 years ago
Determine the number and types of solutions for<br><br> 6m^2-3m-4=0
Anna11 [10]

Answer:

2 real solutions

Step-by-step explanation:

Remember this messy thing?

x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

The <em>quadratic formula</em>, as it's called, gives us the roots to any quadratic equation in standard form (ax² + bx + c = 0). The information on the <em>type</em> of roots is contained entirely in that bit under the square root symbol (b² - 4ac), called the <em>discriminant</em>. If it's non-negative, we'll have <em>real</em> roots, if it's negative, we'll have <em>complex roots</em>.

For our equation, we have a discrimant of (-3)² - 4(6)(-4) = 9 + 96 = 105, which is non-negative, so we'll have real solutions, and since quadratics are degree 2, we'll have exactly 2 real solutions.

4 0
3 years ago
Need help asap!!!!! thank you!!
NeX [460]

Answer:

1,2,20

take away 14 from 8 = 6

add 6 to 14 = 20

Hope I helped!

NOTE: MARK BRAINLIEST!!!! plz....

3 0
3 years ago
Read 2 more answers
A salesman makes 4% commission on sales. What is his commission on $8,472 worth of sales?
Slav-nsk [51]

Answer:

The answer is $12,000 I think check to be sure...Sorry in advance I'm not the best at math guys...    

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
150=3/5x what does x equal?
svetlana [45]

Answer:

250

Step-by-step explanation:

150/3=50

50*2=100

150+100=250

7 0
3 years ago
Read 2 more answers
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