MATHEMATICS MIDDLE SCHOOL

Can you help me with this please

Answers

Answer 1

Answer:

Step-by-step explanation:

you really on a test?

Answer 2

Answer:

draw it and measure it out

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What is 0.8 to the second power

Answers

0.8 to the second power would be 0.64
Answer: 0.64

0.8^2
= 0.8* 0.8
= 0.64

Final answer: 0.8^2= 0.64~

Bill measures the circumference of a circular fish pond to be 28 ft.What is the diameter of the fish pond, rounded to the nearest foot?
Use 3.14 to approximate pi.

ft

Answers

9ft? to get the circumference, we multiply the diameter to pi, so all we need to do is divide 28 ÷ π, and round.

9ft because to get circumference you multiply by π (pi or 3.14) so to get circumference you just do it the other way around like: 28 ➗π (3.14) = 8.91710... Which rounds to 9. So, the diameter is 9ft. I hope I helped and just message me if you need anything else!

Find the angle of elevation from the point on the ground 90 feet from the base of a building that is 200 feet tall

Answers

$Look\ at\ the\ picture.\n\ntg\alpha=(200)/(90)\n\ntg\alpha=(20)/(9)\n\ntg\alpha=2.222...\n\n\alpha\approx66^o$

You didn't say so, but I'm assuming that what you want is the angle of elevation
when you're looking at the top of the building.

Also, since you didn't specify it, we have to assume that you and the building
are on level ground, and we also have to assume that your eye is located at
ground level. In other words, your eye is level with the base of the building.

Now ... The building is perpendicular to the ground. So the building, the line
on the ground from the building to you, and the line of sight from your eye to
the top of the building, form a right triangle.

The angle we need is the angle located at your eye. The line along the ground
from the building to you is the side of the triangle that's adjacent to that angle.
And the building is the side of the triangle that's opposite that angle.

The tangent of the angle is (opposite) / (adjacent) = 200/90 = 2.2222...

Put that number into your calculator, and find the angle whose tangent it is.
(That's called the 'arctangent' of 2.2222, or tan⁻¹(2.2222) .)

The angle is about 65.77 degrees. (rounded)

Evaluate (if possible) the six trigonometritrigonometric functions of the real number t. (If an answer is undefined, enter UNDEFINED.)

t= 4π/3

Answers

Answer:

undefined

Step-by-step explanation:

Please help!!!!

$(-2n-2)/(12) = 12$

n=

Answers

$(-2n-2)/(12) = 12 \n \n (-2(n + 1))/(12) = 12 \ / \ factor \ out \ 2 \n \n - (n+1)/(6) = 12 \ / \ simplify \n \n -n - 1 = 12 * 6 \ / \ multiply \ each \ side \ by \ 6 \n \n -n - 1 = 72 \ / \ simplify \n \n -n = 72 + 1 \ / \ add \ 1 \ to \ each \ side \n \n -n = 73 \ / \ simplify \n \n n = -73 \ / \ multiply \ each \ side \ by \ -1 \n \n$

So, your answer to this problem is n = -73.

Hi

$(-2n-2)/(12) = 12 \n \n -2n-2 = 12*12 = 144 \n -2n-2 = 144 \n -2n = 144+2 \n -2n = 146 \n n = (146)/(-2) \n n = -73$

PLEASE HELP!First determine the degree of each polynomial expression below. Explain how you determined this on each expression.Then organize the expressions from least to greatest based on their degree
I. 6x^2
II. 18x^3+5ab-6y
III.8a-5
IV. 4x^3y+3x^2-xy-4