MATHEMATICS MIDDLE SCHOOL

Simplify.

A) 4√3 + 6

B) 6√3 + 4

C) 6√6 + 3
Simplify. A) 4√3 + 6 B) 6√3 + 4 C) - 1

Answers

Answer 1
Answer: ( 8√(6mn) + 6√(8mn) )/( 2√(2mn))

First, break it up into two fractions:

( 8√(6mn) + 6√(8mn) )/( 2√(2mn)) = (8√(6mn))/( 2√(2mn)) + (6√(8mn))/( 2√(2mn))

Next, you can simplify the numbers outside of the square root:

(8√(6mn))/( 2√(2mn)) + (6√(8mn))/( 2√(2mn)) = (4√(6mn))/(√(2mn)) + (3√(8mn))/(√(2mn))

Since the values are being acted by the same function, being under a radical, you can simplify these too:

(4√(6mn))/(√(2mn)) + (3√(8mn))/(√(2mn)) = {4√(3)} + {3√(4)}

Finally, the square root of 4 is 2, so it would be expressed like this:

{4√(3)} + {3√(4)} = {4√(3)} + {3(2) = {4√(3)} + 6

Your answer should be A.

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I need this ASAP!!Which of the following best describes the first step in solving the system below using elimination?
2x - 4y = 9
x+3 = -4y
A. solve the second equation for X
B. rearrange the second equation to read x+4y = -3
C. rearrange the second equation to read x + 4y =
D. add the equations together

Answers

Answer:

The answer is: to rearrange the second equation by adding "4y" to both sides and subtract 3 from both sides so it reads: x + 4y = -3

Please notice that two options that you presented read kind of similar (so there may be a typo). Make sure that you select the options you were given that aligns to the answer shown above.

Step-by-step explanation:

In order to solve a system of equations via the elimination method, the first step is to write both equations in standard form. That is, with the terms containing variables on the left, (and alphabetically ordered by they variables), and the pure numerical term on the right hand side of the equal sign.

In our case, since the first equation is already written in standard form, to rearrange the second equation by adding "4y" to both sides and subtract 3 from both sides so it reads: x + 4y = -3

Answer:

B

Step-by-step explanation:

The Statue of Liberty is 305.5 feet tall ,how tall is one-hundredth as tall as the Statue

Answers

Take 305.5 and divide it by 100 and you'll get your answer
It is 30.55 feet tall and very green

Laura earns $34,350 per year. Laura's income tax rate is 15%. How much income tax does Laura pay each year?

Answers

For this question you would need to make 15% into a decimal. This would make it 0.15. Then multiply 34,350 by 0.15 and you will get the answer.

9000 equals to what tens

Answers

9000 equals to 900 tens. ( 1. 9×10=90,
2. 90×10=900,
3. 900×10=9,000. )

I need help Idk which one Is the answer

Answers

the answer is b to this problem !!

Answer:

C is the answer...hope this helps!

Which ordered pair in the form(x,y) is a solution of this equation? 7x-5y=1
A] (-3,-2)
B] (-2,-3)
C] (0,4)
D] (4,0)

Answers

The ordered pair is (-2, -3)

Step-by-step explanation:

  • Step 1: To find whether an ordered pair is a solution, substitute values of x and y and see whether it satisfies the equation.

(-3, -2) ⇒ 7 × -3 - 5 × -2 = -21 + 10 = -11 ≠ 1

(-2, -3) ⇒ 7 × -2 - 5 × -3 = -14 + 15 = 1

(0, 4) ⇒ 0 - 5 × 4 = 20 ≠ 1

(4, 0) ⇒ 7 × 4 - 0 = 28 ≠ 1

So the ordered pair is (-2, -3)
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