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LUCKY_DIMON [66]
3 years ago
7

True or False: The expressions 3x^2y and 7yx^2 are like terms. True False

Mathematics
1 answer:
Sauron [17]3 years ago
6 0

Answer:

True

Step-by-step explanation:

The expressions 3x^2y and 7yx^2 are like terms.

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9x-7=-7 how do you solve this problem
borishaifa [10]
<span>9x-7=-7 
You would add 7 to both sides because you want to get to the point were your variable is alone. 9x = 0 Then you would dicide each side by 9 because after doing this your variable would be alone. x = 0 would be your final answer. 

YA BOIIIIIIIIIII, DEADPOOL IN THE HOUSE!

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3 0
3 years ago
Read 2 more answers
(-4,2) is a solution to the following graph. True or False?
emmasim [6.3K]
Plugging in the values of (-4,2) into the two inequality statements to see whether it is part of the solution to the inequality system:

y ≥ -5x + 3
2 ≥ -5(-4) + 3
2 ≥ 20 + 3
2 ≥ 23 (false statement).

For the other inequality statement, substitute 2 for the y value:

y > -2
2 > -2 (true statement).

Since (-4,2) only satisfies one of the inequality statements, then it means that it is not a solution to the graph.

Therefore, the correct answer is FALSE.

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5 0
3 years ago
In an arithmetic sequence, = 5 and = 11.
Free_Kalibri [48]

Answer:

1134.62 (THE SUM OF 20 TERMS)

Step-by-step explanation:

First we write out our given information:

a8=2a2

a11=18

an is an arithmetic sequence.

Where here an means the nth term of our sequence.

What does an arithmetic sequence mean? It means to get to the next term in your sequence you add a constant (c) each time:

an+1=an+c

Equivalently:

an+1−an(n+1)−n=c

So an is of slope c (c2 is another constant):

an=cn+c2

Where here c2=a0 (Substitute in n=0 and see why that has to be the case if we let a0 exist)

Now we use the other given information to try to come up with a solution.

Let n=2:

a2=2c+c2

Let n=8, using the above equation we have:

a8=8c+c2=2a2=4c+2c2

Let n=11

a11=18

a11=11c+c2

But a11−a8=(11c+c2)−(8c+c2)=3c

Hence, a11=3c+a8

a11=3c+4c+2c2=18

a11=3c+8c+c2=18

5 0
2 years ago
Team rose over run canoed 15 3/4 miles in 2 1/4 hours what was their average rate of speed in miles per hour
Ira Lisetskai [31]
To calculate the speed, divide 15.75 by 2.25 and you get 7 mph.
3 0
3 years ago
A candy bag contains 12
Aleks [24]

Answer:

choosing 1 blue and 1 green candy or choosing 2 green candies

5 0
3 years ago
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