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shusha [124]
3 years ago
13

helpp A circle has a diameter of 9.6 feet. What is the measurement of the circumference of this circle? Use 3.14 to approximate

π. Round your answer to the nearest tenth
Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

Around 30.16ft

Step-by-step explanation:

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·9.6≈30.15929ft

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Please help! 15 points! <br><br> Btw, you cannot answer in the file.....that's just a pic.....
olchik [2.2K]
You can find the value of x using the trigonometric function of cosine.

cos x = adj/hyp
cos 49 = x/55
55(cos 49) = x 
36.083 = x 

Hope I am right :)
8 0
3 years ago
1/3 cup of flour is used to make 5 dinner rolls.
RoseWind [281]

we know that

\frac{1}{3} cup of flour is used to make 5 dinner rolls.

Part a) How much flour is needed to make one dinner roll?

by using proportion

\frac{\frac{1}{3}}{5}  =\frac{x}{1} \\ \\ x=\frac{\frac{1}{3}}{5}\\ \\ x=\frac{1}{15}

therefore

the answer Part a) is

To make one dinner roll is needed \frac{1}{15} cup of flour

Part b) How many cups of flour are needed to make 3 dozen dinner rolls?

Multiply the value obtained in part a) by 36

so

\frac{1}{15} *36=\frac{36}{15} \\ \\ =\frac{12}{5}

\frac{12}{5} =2\frac{2}{5}

therefore

the answer Part b) is

To make 3 dozen dinner rolls are needed 2\frac{2}{5} cup of flour

Part c) How many rolls can you make with 5 2/3 cups of flour?

5\frac{2}{3} =\frac{17}{3}

by using proportion

\frac{\frac{1}{3}}{5}  =\frac{\frac{17}{3}}{x} \\ \\ \frac{x}{3} =\frac{85}{3} \\ \\ x=85

therefore

the answer part c) is

85 rolls

6 0
3 years ago
Read 2 more answers
Plsssss helpppp!!!!!
Natali5045456 [20]

Answer:

x = 19.42

Step-by-step explanation:

8²+x²=21²

64+x²=441

-64      -64

x²=377

x=19.41648784

rounded is 19.42

3 0
3 years ago
Is 13.48 irrational or rational? ​
S_A_V [24]

Answer:

It is irrational

Step-by-step explanation:

Rational numbers do not have decimals.

7 0
3 years ago
Read 2 more answers
Plz help I need help
Simora [160]

Answer:

a. 1/4

Step-by-step explanation:

no need for explanation

its basic

6 0
2 years ago
Read 2 more answers
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