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Anit [1.1K]
3 years ago
12

Find the total area of the solid figure. 60 sq. in. 78 sq. in. 90 sq. in.

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0

While taking @Jtakes700's answer and putting it into the form your asking, or putting into one of your options, you would get 78pi sq. in.

seraphim [82]3 years ago
3 0

Answer:

245.04

Step-by-step explanation:

The equation to a cylinder for area is A=2πrh+2πr^2

Fill in and solve.

A=2(3.14)(3)(10)+2(3.14)(3)^2

So using PEMDAS you get the answer 245.04

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Use a proportion to determine the number of children age 5 in a kindergarten class if 80% of a class of 20 children are that age
igor_vitrenko [27]

Answer:

16 children

Step-by-step explanation:

80% of 20 children comes out to 16 children who are of age 5.

If desired, rewrite "80%" as "0.80" and use that 0.80 as the multiplier of 20:

0.80(20 children) = 16 children.

4 0
3 years ago
Does anyone know a fraction equation that equals 13?
taurus [48]

Answer:

11 1/2 + 1 1/2 = 13

Step-by-step explanation:

11+1=12

1/2+ 1/2 =1

12+1= 13

7 0
3 years ago
Read 2 more answers
Twenty one is no less than the sum of a number and -2
Gala2k [10]
x+(-2)=21

get rid of -2 by subtracting it from 21
x+(-2)=21-(-2)
Now you get your answer
x=23
Hope this helps! :)

4 0
3 years ago
What equation(s) represent joint variations? check all that apply c=2pi z=3x/y y=3x+2 w=abc/4 v=lwh
Alinara [238K]

Answer:

Step-by-step explanation:

Joint variations occurs when one variable depends on the value of two or more variables. The variable varies directly or indirectly with the other variables combined together. The other variables are held constant. From the given examples, the equation(s) that represent joint variations are

1) z = 3x/y

z varies directly with x and inversely with y.

2) w = abc/4

w varies inversely with a,b and c. 4 is the value of the constant of variation.

7 0
3 years ago
At Healthy Hair, the cost of a child's
Anastasy [175]

Answer:

http://www.elginschools.org/userfiles/179/Classes/7004//userfiles/179/my%20files/module%2011%20review%20key.pdf?id=11326

Step-by-step explanation:

Go There i put the key online with explanation

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