All categories

3 years ago

Please help me..!!.....

Mathematics

1 answer:

iragen [17]3 years ago

7 0

Answer:

first one, -4+-5=-9

second one, is d, -6 14/15

Step-by-step explanation:

i hope this helps. :)

You might be interested in

Bengus the expert blacksmith forged 16 swords from copper, 25 swords from iron, and 20 swords from mythril.

Sidana [21]

You will get 61 swords

8 0

3 years ago

Read 2 more answers

A cone shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to half its height, wh

monitta

Answer:

The portion of the volume of the cup that is filled with water is $\frac{1}{8}$

Step-by-step explanation:

step 1

Find the volume of the paper water cup

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=6\ cm$

$h=12\ cm$

substitute

$V=\frac{1}{3}\pi (6)^{2}(12)$

$V=144\pi\ cm^{3}$

step 2

If the cup is filled with water to half its height, find out what portion of the volume of the cup is filled with water

Remember that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

In this problem the similar cone has half the height of the complete cone

The scale factor is equal to 1/2

therefore

The volume of the cup that is filled with water is equal to the volume of the complete cup by the scale factor elevated to the cube

$V=(1/2)^{3}(144\pi)=(1/8)144\pi\ cm^{3}$

therefore

The portion of the volume of the cup that is filled with water is

$\frac{1}{8}$

8 0

2 years ago

Read 2 more answers

Please help with algebra

gregori [183]

Answer:

54%

Step-by-step explanation:

6 0

2 years ago

Here's an algebra question I need help with... (I'm not sure if I selected the right answer)

Mandarinka [93]

Answer: You selected the correct one

Step-by-step explanation:

I beleive this is right, qoute me on this!!!

5 0

2 years ago

Read 2 more answers

Which number is greater 30% or 0.03?

Y_Kistochka [10]

30% because as a decimal it would be written as .30 and that is greater then .03

4 0

3 years ago