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-Dominant- [34]
3 years ago
8

Need help on this please

Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0
Question 10
30-2=28

28*2= 56
56*2= 112
120*2= 240

240+112=352.

Area = 352 square feet
Question 11
Volume = pi*r*r*h
=3.142*2.5*2.5*0.5
= 9.817
From the choices the answer is
D. 9.8 cubic ft
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Please help my assignment is due at 12:00!!
Brums [2.3K]

Answer: -13, -12.9

Step-by-step explanation:

pull out that HANDY DANDY calculator dog because we are about to go on a MATH ADVENTURE oh yea.

ok first make sure it is a reasonably good calculator but you can even use a calculator on your chromebook, maybe an online one? we need one that gives us PARENTHESES.

ok now you are going to want to input into this calculator, (335 / 2) in other words 335 divided by 2. what do we get? we get

167.5

ok cool WE ARE MAKING PROGRESS HERE!!!

now i want you to look for the square root button, it looks like a radical like this

\sqrt[2]{} or MAYBE IT DOESNT EVEN HAVE THE 2 and it is just: \sqrt[]{}

and press it, it should give you the square root but we want to find \sqrt{167.5}

and we get.....

12.942...

MY GOD THAT IS A SUPER LONG NUMBER! but its ok we only need 3 digits after the decimal. now notice that there is a negative sign behind that radical. thats radical, dude, ok now we have -12.942...

if we round to the nearest INTEGER then we need to round to the nearest WHOLE NUMBER which is

-13

and the nearest TENTH is one number after the decimal place so it would be...

-12.9

SURFS UP DUDE

P.S. i mention the parentheses because you can even do \sqrt{(335/2)} (press square root button then opening parentheses then 335 / 2 then close parentheses and hit equal sign or ENTER) but dont forget that EPIC NEGATIVE SIGN!!!!!!!

4 0
2 years ago
What is the area of a semicircle with diameter 8 cm?
garik1379 [7]

Answer:

We'll use 3.14 as an approximation of pi. So, now we plug the values into the equation. A = 3.14 * 8^2/2.

5 0
3 years ago
What number goes into 220 and 1000?
Elis [28]
There are a lot of numbers. 10 20 40 60 
3 0
3 years ago
A jet skier departs from Pier 1, travels 796 meters directly to a buoy, makes a turn, and travels 1054 meters directly to Pier 2
Anastasy [175]

9514 1404 393

Answer:

  160°

Step-by-step explanation:

The path is a triangle with side lengths 796, 1054, and 411 meters. The turn is opposite the short side. The interior angle of the triangle at that point can be computed using the law of cosines. If we label the sides a, b, c, respectively, then ...

  c² = a² + b² - 2ab·cos(C)

  C = arccos((a² +b² -c²)/(2ab)) = arccos(1575611/1677968) ≈ 20.116°

The external angle at the buoy is 180° -20° = 160°.

The jet skier's turn was about 160°.

3 0
3 years ago
There were 239 people at a Travis Scott concert. Admission to the drive-in concert was $15 for adults and $5.50 for children. Th
Grace [21]
100$ don’t trust me thought lol
5 0
3 years ago
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