Write all of the factors 12 and 18 have in common

Answers

Answer 1
Answer:

Number 12 have factors 12 = ( 1,2,3,4,6,12)

Number 18 have factors 18= ( 1,2,3,6,9,18 )

According to this we can conlude that numbers 12 and 18 have in common (1,2,3 and 6).

Good luck!!!

Answer 2
Answer:

2 and 6 can go into it evenly


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Select the best answer 1012. Which of the following is an example of a proper fraction? A.7/6 B. 4/3 C.4/4 D.3/4

Which of the following is a point-slope equation for a line with the point(-2,4) and a slope of 3?
A. y - 4 = 3(x - 2)
B. y - 4 = 3(x+2)
C. y-2 = 3(x-4)
D. Y + 2 = 3(x-4)
Please answer asap

Answers

Answer:

B

Step-by-step explanation:

point-slope formula: y-y1 = m(x-x1)

y1 = 4 ; x1 = -2 ; m (slope) = 3

plugging it in to the formula, you get y-4 = 3(x-(-2)

then you get y-4 = 3(x+2)

Give one example of when you would use the friendly numbers strategy to subtract.

Answers

I would say: when we want to substract numbers that are close to each other, but when the respective  digits of the number from which the second number is subtracted are lower than in the other number.


For example, when we want to substract 18 from 21. Those two numbers are very close, but if you did it digit by digit, your would run into a problem.

So instead you can collect their differences to the friendly number 20: 21 is one number away from 20, and 18 two numbers, which makes a total of 3 numbers: and 3 is the solution!

For this case, we use the strategy of friendly numbers when subtraction is something complex to do mentally.

Let's suppose that we have the following subtraction:

 117 - 83

Using friendly numbers we have:

(100 + 17) - (80 + 3)

Then, applying the associative property we have:

(100 - 80) + (17 - 3)

Doing the calculations we have:

20 + 14 = 34

Finally we have:

117 - 83 = 34

Find the values of x and y if

Answers

Answer:

see explanation

Step-by-step explanation:

Since the triangles are congruent then corresponding sides are congruent, then

CA = NE , that is

4x + 3 = 11 ( subtract 3 from both sides )

4x = 8 ( divide both sides by 4 )

x = 2

----------------------------------------

AR = EW, that is

4y - 12 = 10 ( add 12 to both sides )

4y = 22 ( divide both sides by 4 )

y = 5.5

-------------------------------------------

NW = x + y = 2 + 5.5 = 7.5

CR = NW = 7.5

What expression is not equivalent to 1/343 A. 7-1 x 7-2
B.77 x 7-10
C. 7-2 x 7-5
D. 7-5 x 72
(All expressions have an Integer either negative or positive u just can't type it correctly here and B and D or not 77 or 72 it's 7 and positive 7 and D is 7 positive 2

Answers

1 / 343
This is just equal to 
1 / 7^3 = 7^-3

A. 7^-1 * 7^-2 = 7^(-1 + -2) = 7^-3
B. 7^7 * 7^-10 = 7^( 7+ -10) = 7^-3
C. 7^-2 * 7^-5 = 7^(-2 + -5) = 7^-7
D. 7^-5 * 7^2 = 7^(-5 + 2) = 7^-3

So the correct answer is letter C. 7^-2 * 7^-5

A motor with an efficiency of 75 percent must supply 240 j of useful work. What amount of work must be supplied to the motor.

Answers

E = 75% = 0.75,  Work Output = Useful Work = 240 J, Work Input = ?

Efficiency, E = Work Output / Work Input

0.75 = 240 / Work Input

Work Input = 240 / 0.75

Work Input = 320

Amount of work supplied = Work Input = 320 J

I hope this explains it.

Someone help me asap​

Answers

Answer: b > 13

Step-by-step explanation: b= 14 and 14 is larger than 13. So using the greater than symbol is correct.

Answer:

b > 13

Step-by-step explanation:

Because, if you recall seeing that b = 14 above the question, then you would say that b is greater than 13 because b = 14.