Mark wants to use a grid like the ones in exercise 1 and 2 to model the percent equialent of the fraction 2/3. how many grid squares should he shade? what percent woul his model show?

Answers

Answer 1

Answer: The fraction is 2/3
So, there should be 100 squares.
Next, the 100 squares is divided into 3 by vertical lines. The lines will not coincide with the sides of the squares. This is okay. Next, the 2 out of 3 will be shaded, this will be equivalent to 66 squares and one more square but it will not be filled up completely. In percent form, the fraction is 66.67%.

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I can't figure out the answer

Answers

3 should be the answer

Answer:

Step-by-step explanation:

y=arctan(0.8)=38.65=39

(URGENT) WILL GIVE BRAINIESTIn Exercises 5−7, use your new conjectures to arrange the unknown measures in order from greatest to least.

Answers

Answer:

5. a,c,b

6. a,b,c

7. v,z,y,w,x

Step-by-step explanation:

5. Given are the measure of sides as 28,17 and 15. The corresponding angles are 'a', 'c' and 'b'.

Using the conjecture: The angle opposite to the greatest side is largest.

Thus for the sides 28,17 and 15. The corresponding angles 'a', 'c' and 'b' are in order from greatest to least.

6. Given are the angles 30, 72 and 75( angles of an isosceles triangle).

Using the conjecture: The angle opposite to the greatest side is largest.

We observe

'a' is corresponding to angle 75°

'b' is corresponding to angle 72° and

'c' is corresponding to angle 36°

Thus a,b,c are the order from greatest to least.

7. Given

'v' is corresponding to angle 122° [180-(30+28)]

'w' is corresponding to angle 42°

'x' is corresponding to angle 34°

'y' is included in three dimensional angle

'z' is included in three dimensional angle

Such that $z>y$

Thus the order from greatest to least is v,z,y,w,x

A cone has a radius of 5 inches and a height of 18 inches.What is the exact volume of the cone?

A.
150π in3

B.
300π in3

C.
450π in3

D.
540π in3

Answers

It would be C., because to find the volume, you would have to multiply the radius by itself, to get the diameter. Then, the answer you get will have to be multiplied by the height.: 5 times 5 equals 25, and then 25 times 18 equals 450.

Use the function to answer the question.f (x) = x2 +4
What is the value of x when f (x) = 4?

Answers

Answer:f(4)= 12

Step-by-step explanation:

Treat f(x) as y, y=2x + 4, y=12

Answer:

x = 0

Step-by-step explanation:

Given f(x) = x² + 4 and f(x) = 4, then equating

x² + 4 = 4 ( subtract 4 from both sides )

x² = 0 , thus

x = 0

Please help me. what is 4x = -36?

Answers

Answer:

(x)= -9

Step-by-step explanation:

because 4×9=36 and there is a negative sing in front of the nine do the answer would be 4×-9=-36. A negative times a positive I'd a negative.

2) The diagonal of a square is 27sq.root2 inches. Find the perimeter of the square.

Answers

Answer:

P≈76.37

Step-by-step explanation:

Using the formulas

P=4a

d= √2a

Solving for P

P=2√2d=2·√2·27≈76.36753

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