MATHEMATICS MIDDLE SCHOOL

What is x-10=12? Please help

Answers

Answer 1

Answer:

Answer:

x = 22

Step-by-step explanation:

x-10=12

add 10 to each side

x-10+10=12+10

x = 22

Answer 2

Answer:

x=22

To find the answer you must isolate x. So the first step would be to add 10 to each side (you must do the same thing to both sides). You would end up with x=22. You can replace x with 22 and solve to check your work.

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If the ones digit of a numbers greater than 1 is 0, what factor or factors must that number have?

Answers

2,5,and 10 are factors it must have

2, 5, and 10. because it ends in 0, therefore it's an even number. it ends in 0, therefore it's divisible by 5, same goes with 10.

Is 1/81 = to 81 ? I think it is but I'm just making sure :)

Answers

it would have to be 81 over 1 for it to equal 81 but then again with a / for the fraction bar it can be hard to tell which way its written

you are correct it is 81

8)If there are 4 yellow, 2 blue, 1 red, and 3 green marbles in a bag, what is theprobability you choose a blue marble at random, P(blue)?
What is the Pſyellow)?

Answers

Answer: P(blue)=1/5. P(yellow)=2/5.

Step-by-step explanation: First find the total number of marbles. 4+1+2+3=10. To find the probability of blue marbles, use this equation (number of blue marbles (2) / total number of marbles(10) ). 2/10=1/5.

To find the probability of yellow marbles do this equation (number of yellow marbles (4) / total number of marbles (10) ). 4/10=2/5.

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