A lid on a circular container has a diameter of 9 cm. What is the approximate area of the lid? Use 3.14 to approximate pi and round your answer to the nearest hundredth._______ cm2

Answers

Answer 1
Answer: area=pir^2

diameter/2=radius
diameter=9
d/2=9/2=4.5=r

area=pi4.5^2
area=pi20.25
aproxpi=3.14
area=63.585
round hundreth
area=63.59

answer is 63.59cm^2
Answer 2
Answer: Hi there, A=1/4πd²=1/4*π*9²=63.61725cm², that would round to 63.62cm². Therefore, the answer would be 63.62 cm²

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Integers that equal negative 36

Answers

1 and -36
-1 and 36
6 and -6
18 and -2
-18 and 2
9 and -4
-9 and 4

For 1 month, two doctors in a medical office counted the number of patients they saw each day. The mean and MAD for each doctor were calculated and recorded in a table.What conclusion can be drawn, based upon the value of the means-to-MAD ratio?

Doctor Mean MAD
Hartmann 15.3 0.9
Kim 18.9 1.1

A. Dr. Hartmann saw more patients per day than Dr.Kim did.

B. Dr.Kim saw more patients per day then Dr.Hartmann did.

C. Dr.Kim and Dr.Hartmann saw about the same number of patients per day.

D. No conclusions can be drawn
I think it's B please help!!!

Answers

Im not a 100 percent sure but i think its B 

Solve the quadratic function by completing the square -32 = 2(x+ + 10x)
-32 +
= 2(x+ + 10x + 25)
18 = 2(x + 5)2
9 = (x + 5)2
= x + 5
+
x= -2 orx =

Answers

Step-by-step explanation:

-32=2х+20х+50

-32=22х+50

-32-50=22х

-82=22х

-3.7=х

9. The United States Department ofAgriculture (USDA) recommends that9 to 13 year olds receive 1300milligrams of calcium each day. Howmany grams is this?A) 0.13g
B) 1.3g
C) 13g
D)130g

Answers

1.3 grams next time divide the milligrams and grams until you get 13

There are 50 questions to answer in a trivia contest. Each player starts with 100 points. He or she earns 10 points for each correct answer but loses 4 points with each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a contestant must answer to get a score over 350?I just need to know how to set it up?

Answers

first take off 100, then what x 10 = 250? that is your answer. (25)

Convert 56 pints to quarts use the rate suggested by the equation 1 quart equals 2 pints

Answers

56 pints  to quarts.

2 pints = 1 quart.

1 pint = (1/2) quart.

56 pints =  (1/2)* 56 quart

              = 28 quarts.