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Lilit [14]
3 years ago
15

Plzzzzz helpp!!!!!!!!!!!!!!

Mathematics
2 answers:
ziro4ka [17]3 years ago
5 0
The answer is the first one!
MakcuM [25]3 years ago
4 0

Answer:

Its A,

I do quizzes and exams if ur interested

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If the cost of a raffle ticket is $2, which of the following expressions could be used to represent the cost of m tickets? 2m 2
Phantasy [73]
2m would be your answer

Each ticket costs $2, which means that if you are buying more tickets, it would look like: 2 + 2.... instead of the others

hope this helps
4 0
3 years ago
Read 2 more answers
How many extraneous solutions does the equation below have?
FrozenT [24]

<u>Answer</u>

0


<u>Explanation</u>

(2m)/(2m+3)-(2m)/(2m-3)=1

Simplifying the left hand first

(2m)/(2m+3)-(2m)/(2m-3) = {2m(2m-3) - 2m(2m+3)}/(4m²-9)

                                        (4m²-6m-4m²-6m)/(4m²-9)

                                         = (-12m) / (4m²-9)

Now this equet to 1

(-12m) / (4m²-9) = 1

-12m =  4m²-9

4m²+ 12m -9 =0 ⇒⇒⇒ This is a quadratic equation that has 2 real solutions.

4m²+ 12m -9 =0

m² + 3m + (3/2)²= 9/4 + 9/4

(m + 3/2)² = 18/4

m = √18/2 - 3/2                or m = -√18/2 - 3/2

    = 0.621                                       = -3.621

So we can say that the equation has NO extraneous solutions.

Answer = 0

8 0
3 years ago
Read 2 more answers
1. -7/9 • 3/5
ASHA 777 [7]
The answer to the question

5 0
3 years ago
What % of 400 = 193
saveliy_v [14]
The best way to find your answer is to divide 193 by 400 to get .4825 and to make sure if it is the answer you take 400 and multiply .4825 and it will be 193 so .4825 = 48.25%
3 0
3 years ago
How do you write this as an equation. Pls help<br><br> A number multiplied by 2/5 is 3/20<br> .
Naddika [18.5K]

Answer:

2/5x = 3/20 or 2/5 *x = 3/20

Step-by-step explanation:

These are the same thing just different ways to write. The x represents the unknown number

5 0
3 years ago
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