MATHEMATICS HIGH SCHOOL

Select the property of equality used to arrive aSelect the property of equality used to arrive at the conclusion.If x = 2, then x + 8 = 10

a.the multiplication property of equality

b.the division property of equality

c.the addition property of equality

d.the subtraction property of equality

Answers

Answer 1
Answer:

would it be b

 I really don't know thou
Answer 2
Answer:

the answer would be D., x+8=10  you are going to subtract 8 from both sides to get x=2

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. Using the order of operations rule, solve the following: 12 ÷ 2 + 4 – 2 × 3 = ? A. 4 B. 36 C. 24 D. 0
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Evaluate P(3, 0). 0 1 6

Estimated: 253 times 46

Answers

I do believe the answer is 11,638 I did this in my head maybe u should try it.
250 x 45 = 11250

Because you round 253 down to 250 and 46 down to 45

Write an algebraic expression to represent the verbal expression the difference between the product of 4 and a number and the square of the number

Answers

You set it up like this.

It says "the difference", so you put a minus sign: -
It says that the minuend, or the part being taken away from is a quantity equal to the product of 4 and "some number" (we'll use x), so now you have: (4 * x) -
Next, it says the subtrahend, or part being removed, is the square of "the number", meaning we use the "some number", x, from before, so now you have: (4 * x) - x^2

Refer to the dog weights box-and-whisker plot in answering the question. In which quarter are the data least concentrated?!A.FIRST QUARTER
B.SECOND QUARTER
C.THIRD QUARTER
D.FOURTH QUARTER
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Answers

Answer:

c

Step-by-step explanation:

How can we tell if a number is divisible by 4

Answers

if a number ends in a two digit number that is divisible by 4 then the who number is divisible by 4. 

eg: 608, 728

because 08 is divisble by 4 then so is 608 and the same for 28 and 728

The last two digits of the number are divisible by 4.

What's the answer for 7x-2=26

Answers

The solution to that equation is x=4

Y = x + 1
    3x + y = 21

Answers

y=x+1
3x+y=21
-----------
-x+y=1
3x+y=21

First do this. Change one (or both) of the equations so that the x and y are on one side, and the number is on the other. Make sure either the x or the y is the same in both equations (in this case, y) and then take one away from the other. The y will cancel out so you can work out x.

3x+y=21 -
-x+y=1
-----------
4x = 20
x = 5

Then add the x into one of the two equations to find out y.

3x + y = 21
(3*5) + y = 21
15 + y = 21
y = 6

To check, put both x any y into the other equation.

-5 + 6 = 1

If the answer is correct, you have correctly solved the equations.

x = 5
y = 6

:D
\left \{ {{y=x+1} \atop {3x+y=21}} \right.\ \ \ Using\ substitution\ method\n\n 3x+x+1=21\n 4x=20\ \ |:4\n x=5\n y=6
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