3 years ago

Help me thank you a lot !!

Mathematics

1 answer:

Alexeev081 [22]3 years ago

5 0

Answer:

welcome!

Step-by-step explanation:

You might be interested in

Ill give brainliest

andreev551 [17]

First, make sure that all the variables are in one side. The first equation is gonna be x-y=3

Second, we are going to eliminate the y because it is much easier, but you can also eliminate the x

We have to add both equation because the y in the first equation is negative and in the second equation it’s positive.

We are left with 3x=9

Therefore, x=3

Last, substitute x= 3 in one of the equations

Y=6

P.O.I is (3,6)

8 0

3 years ago

Simplify and answer in scientific notation (3.5*10^4) (4*10^5)

Studentka2010 [4]

Answer: 14 x 10^9

Step-by-step explanation:

4 0

3 years ago

Lucky and Ajay are given some money each week.

anyanavicka [17]

The answer seems to be C

4 0

3 years ago

Read 2 more answers

A tank has the shape of an inverted circular cone (point at the bottom) with height 10 feet and radius 4 feet. The tank is full

german

Answer:

Step-by-step explanation:

Given that tank has the shape of inverted circular cone

Height = 10 feet and radius = 4 feet

After water pumped out height = 5 ft

Hence volume of water pumped out = $\frac{1}{3} \pi R^2 h-\frac{1}{3} \pi r^2 h'$

Here we have r/h is constant always

Hence $\frac{r}{h'} =\frac{R}{h} \\r=Rh'/h = 4(5)/10 = 2$

Substitute to get volume of water pumped out = $\frac{1}{3} \pi (10*16-4*5)=\frac{140\pi}{3}$

Mass of water = density x volume = $62.4(\frac{140\pi}{3})\\= 2912\pi lbs$

Work done = force x displacement

= mass x accen x displacement

Here acceleration = gravity = 32.2 ft/sec^2

Displaement = height reduced = 5 ft

W=2912(32.2)(5)\pi =468832\pi foot -pound

6 0

3 years ago

A low-wattage radio station can be heard only within a certain distance from the station. On the graph above, the circular regio

makkiz [27]

I would be happy to help, is there anything else like the options or the graphs you could add?

6 0

4 years ago