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Fed [463]
2 years ago
14

Diameter =9.4mm what is the area?​

Mathematics
1 answer:
Likurg_2 [28]2 years ago
7 0

Answer:

here

Step-by-step explanation:

0.10757 square inches (in²)

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Evaluate-2.75 - f for f = -6.5
Stels [109]

Answer:

Step-by-step explanation:

we have f=-6.5

-2.75- (-6.5)= -2.75+6.5=3.75

4 0
2 years ago
A right cone has radius 5 ft and slant height 9 ft. The radius and slant height are both multiplied by 1/2. Which of the followi
Alekssandra [29.7K]

Answer:

101.07ft^2

Step-by-step explanation:

Given data

radius= 5ft

h= 9ft

When the radius and height are both multiplied by 1/2

radius= 5/2ft = 2.5ft

height= 9/2 ft= 4.5ft

The expression for the surface area of the cone is

A=πr(r+√h^2+r^2)

Substiute

A= 3.142*2.5(2.5√4.5^2+2.5^2)

A= 7.855(2.5√20.25+6.25)

A= 7.855(2.5√26.5)

A= 7.855(2.5*5.147)

A=101.07 ft^2

Hence the surface area is 101.07ft^2

3 0
2 years ago
Read 2 more answers
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Tomtit [17]
This would be 525 / 0.70  = $750 Answer
8 0
2 years ago
If 8=−3r+7r, then r= [blank] −−−−−−.
Svetllana [295]

Answer:

r = 2

Step-by-step explanation:

8 =  - 3r + 7r \\ 8 = 4r \\ 4r = 8  \\ \\ r =  \frac{8}{4}  \\  \\ r = 2

8 0
3 years ago
Percents from Tabled Values
alexandr1967 [171]

Answer:

  • 17.9% of men have a HS degree
  • 50.5% of 2-yr degree earners were women
  • 27.9% of the group has a 4-yr degree or higher

Step-by-step explanation:

It is convenient to use a spreadsheet to total the numbers for you. This reduces errors and put the numbers in a form that makes it easy to see what you're working with in any given calculation.

  men with HS degree = (male HS)/(all male)

  = 76/425 ≈ 0.1788 ≈ 17.9%

__

  2-yr degrees that are women = (female 2-yr)/(2-yr total)

  = 248/491 ≈ 0.5051 ≈ 50.5%

__

  4-yr degrees in group = (4-yr degrees)/(total group)

  = 258/925 ≈ 0.2789 ≈ 27.9%

_____

<em>Comment on the problem</em>

The spreadsheet is identical to the one used for your other problem. All that needed to be done was to enter the new numbers. The formatting, headers, and formulas remained the same. For solving these problems, it's a matter of picking the two numbers needed from the appropriate row or column and computing their ratio.

(The computations were done by hand here to better show you the numbers used and the rounding to tenth percent. They can be done in the spreadsheet with point and click.)

3 0
2 years ago
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