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Anna [14]
3 years ago
15

Using the net below, find the surface area

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
5 0
3x3 + 4(3x2)/2
9 + 12
21 in^2
jenyasd209 [6]3 years ago
4 0

Answer:

i think 18 i just did that yesterday

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(02.02 HC)
Dima020 [189]
Hey there!

It seems as if you found the answer to your problem?  If you need any help though, just let me know!

Let me know if you'd like me to explain how I got this answer!
3 0
4 years ago
A waterfall has a height of 900 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 24 feet pe
aliya0001 [1]

Answer:

The pebble will hit the ground 8.29 second after it is thrown.

Step-by-step explanation:

Given that,

The height of the pebble after t seconds is given by the equation

h= -16t²+24 t+900.

When the pebble hit the ground, the height of the pebble will be zero.

So putting h=0 in the given equation.

0 = -16t²+24 t+900

⇒-4(4t²-6t-225)=0

⇒4t²-6t-225=0

Applying quadratic formula t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}, here a=4, b= -6 and c= -225.

\therefore t=\frac{-(-6)\pm\sqrt{(-6)^2-4.4.(-225)}}{2.4}

⇒ t = 8.29, -6.79

Since time can not negative.

∴t=8.29 seconds.

The pebble will hit the ground 8.29 second after it is thrown.

7 0
3 years ago
PLZ HELP! 10 points
garri49 [273]

Answer:

i believe it is y=4x+1

Step-by-step explanation:

y intercept is 1, slope is up 4 over 1

sorry if im wrong, hope this helps :)

5 0
3 years ago
The graph of y = va is translated 5 units to the left and 7 units up. What is the equation of the graph that results
Ede4ka [16]

Answer:

B

Step-by-step explanation:

i did this a couple years ago should be right if im correct

5 0
3 years ago
What is the domain? <br> A<br> B<br> C<br> D
KengaRu [80]

Answer:

C

Step-by-step explanation:

1. The domain is the x-value of a function.

2. In that image, the x-values are the numbers on the left of each parenthesis.

3. You should put the domains in increasing order, so the final answer is -2, 0, 2, 4.

7 0
3 years ago
Read 2 more answers
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