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nirvana33 [79]
3 years ago
5

The directrix of a parabola is y = 4. Its focus is (2,6).

Mathematics
1 answer:
puteri [66]3 years ago
8 0

Answer:

Equation in picturee

Step-by-step explanation:

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HELP ME PLEASE IT¨s MATH
Arlecino [84]

Answer:

V=πr^2h

pi = 3.14

r = 2

r^2 = 4

h = 10

Multiply all the numbers to get the volume.

Or use the formula.

V = 3.14*4*10

V = 125.6 cubic inches

5 0
3 years ago
Please need this answer fast it is the last piece to my pie chart for math!!!! A catering service offers 3 appetizers, 5 main co
Brut [27]
To find in how many ways this can be done, we can use the method of combination.

As the customer have to choose 2 out of 3 appetizers, the combination would be 3C2.

For 4 out of 5 main courses, the combination wouls be 5C4.

For 6 out of 8 desserts, the combination would be 8C6.

We can then combine them into a single equation to find the answer:

3C2 x 5C4 x 8C6
=420

Therefore, the answer is 420 ways.

Hope it helps!
7 0
2 years ago
Help!!! Please Answer
adell [148]

Answer:

d sorry if I'm wrong...

6 0
3 years ago
Cressida decided to save a part of her income in a savings account that compounds interest every four months. Her account balanc
Bogdan [553]

Answer:

A

Step-by-step explanation:

account balance on compound interest = principal amount (1+rate/100)^time

here there are t years  so toat months are 12t and ad interest is after each 4 months so time is 12t/4 =3t

now total balance = 3545(1.045)^3t

here 3545 is principal amount , rate is( 1.045-1)×100 =4.5% per 4 months and 3t is time so clearly 3t or 3 is a growth factor hence option A

8 0
3 years ago
Read 2 more answers
The radius of a cylinder is 3 cm and the height is 6 cm.
Alborosie

Answer:

B. 54π

Step-by-step explanation:

Surface area of cylinder = 2πrh + 2πr²

Radius = 3 cm

Height = 6 cm

Plug in the values

Surface area of the cylinder = 2*π*3*6 + 2*π*3²

Surface area = 36π + 18π

Surface area = 54π

3 0
3 years ago
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