MATHEMATICS MIDDLE SCHOOL

What is y-1 =2(x +3) in standard form?

Answers

Answer 1
Answer:

Answer:

y-1=2(x+3)

y-1=2x+6

y=2x+6+1

y=2x+7

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HELP !!! Use the elimination method to solve the system of equations. 4x + 3y = 11
x - y = 8

Answers

Answer:

C. (5, -3)

Step-by-step explanation:

4x + 3y = 11

x - y = 8  (multiply by 3) --> 3x - 3y = 24


4x + 3y = 11

3x - 3y = 24

---------------------add

7x = 35

 x = 5


5 - y = 8

y = 5 - 8

y = -3

(5, -3)

Answer:

C. (5, -3)

Step-by-step explanation:

Rewrite the first equation.

Multiply the second equation by 3 and write it under the first equation.

4x + 3y = 11

3x - 3y = 24

Now add the equations.

7x        = 35

Divide both sides by 7.

x = 5

Substitute 5 for x in the original first equation:

4(5) + 3y = 11

20 + 3y = 11

3y = -9

y = -3

Solution: (5, -3)

Nikki is going to use SSS to prove that PQR is congruent to SQR

Answers

A. Prove that QR ≅ QR by reflexive property

Nikki is going to use SSS Property, which is Side, Side, Side. This means that, given two pairs of sides are congruent, you will have to find out the last side, which is the same side. This means that it is congruent with itself (since both triangles share the same side), and uses the reflexive property.

hope this helps

Answer: A is the correct answer

Step-by-step explanation:

Find the missing length for the pair of similar figures.

Answers

So is it the first question or the first and second, because if its the second on two the its cut off on the pic. The answer for the first one is D. 4.5

What is the length of a side of a cube with a volume of 216 in3

Answers

\sf volume~of~a~cube = side^3\n\nv = 216\n\ns^3 = 216\n\ns^3 = 6* 6* 6\n\ns^3 = 6^3\n\n\boxed{s = 6}

s = 6 in
i hope you have a wonderful day    a≈6in
 

Please help me with this question

Answers

Well, the top part factors into (x - 4) * (x + 3).

So, we have this:

(x - 4) (x + 3)/ (x + 3)

We know that the (x + 3)s can cancel out and we're left with (x - 4) as our answer. If there are any questions then leave a comment. Good luck!

Ricardo has a marble collection with 54 blue marbles, 24 red marbles,and 18 yellow marbles. He arranges the marbles into equal rows. The marbles in each row will be the same color. How many marbles can he put in one row?

Answers

the answer is 6 because it is the only number other than 2 that u can divide all of these numbers by... I would assume that your teacher wouldn't take 2 as an answer. 6/54=9
6/24=4
6/18=3
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