MATHEMATICS MIDDLE SCHOOL

The area of a rectangle is found by multiplying the base times the height. A rectangle with an area represented by 12x2 + 6x – 8 has a height of 4x. What is the base of the rectangle? 3x + – 3x2 + – 3x + – 3x + –

Answers

Answer 1
Answer:

its B on edge-nuity just took the test
Answer 2
Answer: \bf \textit{area of a rectangle}\n\nA=bh~~\begin{cases}b=base\nh=height\n---------\nA=12x^2+6x-8\nh=4x\end{cases}\implies 12x^2+6x-8=b(4x)\n\n\n\cfrac{12x^2+6x-8}{4x}=b\implies \cfrac{12x^2}{4x}+\cfrac{6x}{4x}-\cfrac{8}{4x}=b\implies 3x+\cfrac{3}{2}-\cfrac{2}{x}=b

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Your answer Is Incorrect.Find the value of x.
If necessary, you may learn what the markings on a figure indicate.
to
30°

Answers

Answer:

x = 60

Step-by-step explanation:

The single mark on the given lines means that the lines so marked are equal.

The given triangle which contains 30 degrees in writing has another 30 degree angle. Mark the third angle as y.

The third angle is 30 + 30 + y = 180     all triangles have 180 degrees.

60 + y = 180                                            subtract 60 from both sides.

y = 120

Be very careful what you do next. The lines may be equal, but the angles are not 30 degrees as they were in the lift triangle.

The 120 degree angle is an exterior angle of the right hand triangle.

There is another angle 30 degrees where the right hand triangle has been cut of.

So

x + x  = 120                        Property of an exterior angle.

2x = 120                            Divide by 2

2x/2 = 120/2

x = 60

Answer 60

In the 2000 census, the state of Florida had a population that was approximately five times the population of the state of Oklahoma. Which of these statements correctly identifies the relationship between the populations of these two states as recorded by the 2000 census?a) If F represents the population of Florida recorded by the 2000 census, F + 5 represents the population of Oklahoma.                                                b)  If K represents the population of Oklahoma recorded by the 2000 census, K represents the population of Florida.                                      c)If K represents the population of Oklahoma recorded by the 2000 census, K + 5 represents the population of Florida.                                                      d)  If F represents the population of Florida recorded by the 2000 census, 5F represents the population of Oklahoma.                                e) If F represents the population of Florida recorded by the 2000 census, F represents the population of Oklahoma.                                                                       f) If K represents the population of Oklahoma recorded by the 2000 census, 5K represents the population of Florida.

Answers

The correct answer is F) If K represents the population of Oklahoma recorded by the 2000 census, 5K represents the population of Florida.

This is because "5K" is the same as 5 × K, and that means 5 × population of Oklahoma. This is correct as the population of Florida was 5 × the population of Oklahoma. 

Answer: The correct answers are  

If F represents the population of Florida recorded by the 2000 census, 1/5 F represents the population of Oklahoma.

 If K represents the population of Oklahoma recorded by the 2000 census, 5K represents the population of Florida.

Step-by-step explanation: I took the test!

What is 1.03 to the 23rd power

Answers

Answer:

1.97

Step-by-step explanation:

Mali plants 5 roses. Justin plants 7 more roses than Mali. Which number sentence shows how to find the number of roses Justin plants?

Answers

5 + 7 = x is the correct numer sentence

5 + 7 = 12

Justin has 12 roses. 
7×5 is the answer of who many you plant


7×5=35 there's the answer of how many you plant your welcome



sincerely, shay10

You get in an elevator and ride down 5 floors. You realize you forgot something, so you stay on the elevator and ride back up 5 floors. Which expression represents the number of floors you are from your original position?

Answers

Answer:

y = x - 5 + 5

Step-by-step explanation:

Let x be the the original position and y be the new position.

After rid down, 5 floors, the expression would be y = x - 5.

After rid back up 5 floors, the expression changed to y = x - 5 + 5.

Hence, the required expression is y = x - 5 + 5 = x.
The expression is ' 0 ', as in 'zero'. If it were anything else, then that wouldn't help you go back to where you started and get what you forgot.

madison bought a new phone at 20% off the original price. If she paid $320 what was the original price of the phone

Answers

Answer:

$400

Step-by-step explanation:

Hi we have to use the Rule of the Three

The price that we paid represents the 80% of the original prize

Hence we have that

$320⇒80% (.8)

$x⇒100%(.1)

As we know we have to multiply diagonally and divide with the one in the corner

So we have (320)*(1 )=320 and then divide (320)/(.8)=400

Hence the original price was $400

Answer:

400

Step-by-step explanation:

320/(1-0.2)=Original price

400x0.8=320
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