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FromTheMoon [43]
3 years ago
5

A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax2 about the y-a

xis. If the dish is to have a 20-foot diameter and a maximum depth of 2 feet, find the value of a and the surface area (in square feet) of the dish.

Mathematics
1 answer:
Blizzard [7]3 years ago
7 0

Answer:

Step-by-step explanation:

See attached file .

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Select the correct answer from each drop-down menu.
sdas [7]

Answer:

see below

Step-by-step explanation:

12 banana muffins, 10 chocolate muffins, 6 blueberry muffins, and 7 vanilla muffins.

The total number of muffins is 35 muffins

P(vanilla) = number of vanilla/ total

               = 7/35

               = 1/5

This is not likely to occur so it is an unlikely event

3 0
3 years ago
Read 2 more answers
Write the number in expanded form 68,020
allochka39001 [22]

Standard Form:

68,020

Expanded Notation Form:

 68,020 =

 60,000  

+ 8,000  

+ 0  

+ 20  

+ 0  

Expanded Factors Form:

   68,020 =

 6 × 10,000  

+ 8 × 1,000  

+ 0 × 100  

+ 2 × 10  

+ 0 × 1  

Expanded Exponential Form:

 68,020 =

       6 × 10^4

+ 8 × 10^3

+ 0 × 10^2

+ 2 × 10^1

+ 0 × 10^0

Word Form:

68,020 =

sixty-eight thousand twenty

4 0
3 years ago
I need help please giving brainliest!
Alchen [17]

Answer:

acute: D and E

obtuse: A and F

right: B

straight: C

Step-by-step explanation:

7 0
3 years ago
Can someone help me solve for x & explain how they got it please?? i have a test tomorrow!!
Fudgin [204]

Answer:

36=x^2+5x

x^2+5x-36=0

(x+9)(x-4)

x= 4

x= -9

The Answer can be 4 or -9, see which option you have.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Simplify 6 - 4[x + 1 - (y + 3)] + 5y.
o-na [289]
6-4[x-1-(y+3)]+5y
6-4(x+1-y-3)+5y
6-4x-4+4y+12+5y
6-4+12-4x+4y+5y
14-4x+9y


6 0
4 years ago
Read 2 more answers
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