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Brrunno [24]
3 years ago
12

What is not an acceptable form of proof

Mathematics
1 answer:
gregori [183]3 years ago
7 0
What are your options?
You might be interested in
Kendra has $ 7.35 in nickels and quarters. If she has 15 more quarters than nickels, how many of each coin does she have?
lozanna [386]

x*5 - quarter amount

(x+15)*25- nickels amount

(x*5)+((x+15)*25)=735

5x+25x+375=735

30x=735-375

30x=360

x=360/30=12 - number of nickels

x+15=12+15=27 - number of quarters

CHECK

12*5=60 ¢

27*25=675 ¢

675+60=735 ¢ or $7.35

5 0
4 years ago
What is the slope of this graph?<br><br><br> 13<br><br> −3<br><br> 3<br><br> −13
Lisa [10]
The answer is for that problem is -3

8 0
4 years ago
Read 2 more answers
Solve the inequality <br> 3(x – 2) + 1 ≥ x + 2(x + 2)
leva [86]

Answer:

No solution.

Step-by-step explanation:

Step 1: Write inequality

3(x - 2) + 1 ≥ x + 2(x + 2)

Step 2: Solve for <em>x</em>

  1. Distribute: 3x - 6 + 1 ≥ x + 2x + 4
  2. Combine like terms: 3x - 5 ≥ 3x + 4
  3. Add 5 to both sides: 3x ≥ 3x + 9
  4. Subtract 3x on both sides: 0 ≥ 9

Here we see that the statement is false. Therefore, you cannot solve for the inequality.

3 0
3 years ago
Read 2 more answers
Which of the following would represent the first step in simplifying the problem 7+56(6-2) divided by 2
Gennadij [26K]

Answer:

Think about PEMDAS, Whatever is in parentheses you solve that first. (6-2) which will be 4, you'll do 7+65*4 and find your answer. And divide by 2 at the end.

Hope this help

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
Solve 4m plus 2n equals 5n for m.
RSB [31]

Answer:

m = (3/4) n

Step-by-step explanation:

4m + 2n = 5n

The subtraction property of equality states that we can subtract 2n from both sides to isolate the m and its coefficient to get

4m = 3n

The division property of equality states that we can divide 4 from both sides to isolate only the m (we divide by 4 because anything divided by itself equals 1) to get

m = (3/4) n

4 0
3 years ago
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