X/x^2-16-7/x^2+5x+4 simplify

Answers

Answer 1

Answer: 5x³ - 12x² + -7
x²
Simplified answer.

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The mean radius of earth is 6,371.0 kilometers and the mean radius of earths moon is 1,737.5 kilometers. What is the approximate difference in the mean conferences, in kilometers, of earth and earths moon? Round your answer to the nearest tenth of a kilometer.
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Which expression is equivalent to the given expression (-4abc)3

Answers

Answer:

-64a^3b^3c^3

Step-by-step explanation:

(-4abc)^3= (-4)^3(a)^3(b)^3(c)^3

=-64a^3b^3c^3

Answer:

-12abc

Step-by-step explanation:

Multiply

-4(3) = -12

Since 3 doesn't have any variable such as a, b, or c, then the variable next to -4 doesn't change

Therefore your answer is -12abc

Hope this helps!

The radius of the Earth is approximately 3,960 miles. Find the approximate surface-area-to-volume ratio of the Earth.

Answers

The surface area of a sphere is A = 4π R²

The volume of a sphere is V = (4/3) ( π) (R³)

The ratio of (surface area) to (volume) is

      4 π R² / (4/3) (π) (R³)

Divide top and bottom by 4π :    R² / (1/3) (R³)

Multiply top and bottom by 3: 3 R² / R³

Divide top and bottom by R² :    3 / R .

For the Earth,

   A / V = (3) / (3,960 miles) = 0.00076 per mile (rounded)

Answer:

B. 0.00076

Step-by-step explanation:

Unit test on e2020

Instructions: Find the measurement of the angle indicated in the following parallelogram.

Answers

It’s the measurement.it’s true because u can tell it is

How to factor: b^2-6b+8

Answers

This is an easy trinomial. You need to find two numbers that add up to -6 and multiply together to equal 8. Those numbers are -2 and -4. It would simplify to (b-2)(b-4)

1)what is the y-coordinate of the solution to the system of equations?

x-y=12
27+3y=2x

2)what is the y-coordinate of the solution to the system of equations?

y=2x+14

-4x-y=4

Answers

ok so basically solve for y

x-y=12
27+3y=2x

27+3y=2x
subtract 3y from both sides
27=2x-3y
2x-3y=27

x-y=12
multiply by -2
-2x+2y=-24

add them
2x-3y=27
-2x+2y=-24 +
0x-1y=3

-y=3
y=-3
y coordinate is -3

2.
y=2x+14
-4x-y=4

y=2x+14
subtract 2x from both sides
y-2x=14
mulitply both sides by -2
-2y+4x=-28

add the 2 equations

-2y+4x=-28
-y-4x=4 +
-3y+0x=-24

-3y=-24
divide both sides by -3
y=8

y coordinate is 8

1. y coordinate is y=-3

2. y coordinate is y=8

Answer:

1. -3

2. 8

Step-by-step explanation:

Erica makes $4,840 monthly. What is the maximum loan she can take out on a house? $58,080$116,160
$100,000
$87,120

Answers

I believe this question can be better answered with missing values like rate of the loan from bank etc.
However, to solve with only the given.
We take annual income. $4,840 x 12 = $58,080
To take morgage is 3 times the annual income. $58,080 x 3=$174,240

The maximum loan she she can take out on a house is $174,240

The maximum loan she can take out on a house is = $116,160

Calculation of maximum loan

The total monthly income of Erica = $4,840

For a year she earns up to,

$4,840 × 12 = $58,080

In a bank, you can access up to 200% of your annual salary.

Therefore, the maximum loan she can take out on a house is = $58,080 × 2

= $116,160

Learn more about loan here:

brainly.com/question/26011426

#SPJ5

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