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Reil [10]
3 years ago
13

4x+5=17-2x systematic method solve the equation and check result​

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

x=2

Step-by-step explanation:

add 2x to both sides and subtract 5 from both sides

6x = 12

divide by 6

x=2

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There are 12 people in a class. 10 are randomly chosen. How many possible combinations are there?
Mazyrski [523]

long way

12 x 11 x 10 x 9 x 8 x 7 x6 x5 x4 x3x2/ 10x9x8x7x6x5x4x3x2x


but you can shorten that by crossing out identical numbers so you get 12 x 11

12 x 11 = 132 combinations

3 0
3 years ago
1 - 121000<br> What is the slope of a line that is parallel to the line y = 3/4x + 2
OleMash [197]

Answer:

3/4

Step-by-step explanation:

Parallel lines have same slopes.

8 0
3 years ago
provide a counterexample (specific values of a,b, etc. which make the statement false) for each of the following statements. Ass
ivolga24 [154]

Answer:

1. a=3, b = 2, c = 1.

2. a=2, b=3, c=4, d=6.

3. a = 9, b = 3.

Step-by-step explanation:

1.  3 | 21   is a counterexample  because 3 does not divide into  2 or 1.

2. 23 | 46 is a counterexample because 2 does not divide into 3.

3. 9 | 3^2 is a counterexample because 9 does not divide into 3.

8 0
2 years ago
The price of a toy usually costs £50 is increased to £65 work out the percentage increase
I am Lyosha [343]

Answer:

Step-by-step explanation:

10% of 50 = 5

5% of 50 = 2.5

to get to 65 u do 5+5 = 10 so so far that is 20% but 20% only gets u to 60 so u add another 10% to reach 65

u have used 30% so the answer to yr question is 30%

<h2><em>does this help comment if / if not </em></h2>
8 0
2 years ago
An experiment requires 500 mL. One of the ingredients to be mixed with 1,000 mL of another. How many liters is the solution
shepuryov [24]
1.5 liters all together! 

Hope that helps!
-procklownyt

6 0
2 years ago
Read 2 more answers
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