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attashe74 [19]
2 years ago
15

Number Sense How is dividing 250 by50 the same as dividing 2,500 by 500

Mathematics
2 answers:
mezya [45]2 years ago
7 0

___5. ____5. ______5
50)250. 500)2500. 5000)25000

As long as the numbers in the equation have equal number of "0" it will be the same.
Mazyrski [523]2 years ago
7 0
250 by 50 is 1 tenth of 2500 by 500 both equal 5 
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Please please please help me with this assignment :)
Shtirlitz [24]

Answer:

$45.63

Step-by-step explanation:

50,145 cm^{3}  *  2.6 g/cm^3 = 130,377 g\\130,377 g = 130.377 kg\\130.377 kg * $0.35/kg = $45.63\\

or all together    

50,145 cm³  *  2.6 g/cm³ * 0.35/kg =  $45.63

6 0
3 years ago
3. A balancing balloon toy is in the shape of a hemisphere (half-sphere) attached to the base of a cone. If the toy is 4ft tall
Katen [24]

Answer:

The volume of the toy is V=5.23\ ft^3

Step-by-step explanation:

step 1

Find the volume of the hemisphere

The volume of the hemisphere is given by the formula

V=\frac{2}{3}\pi r^{3}

In this problem, the wide of the toy is equal to the diameter of the hemisphere

so

D=2\ ft

r=2/2=1\ ft ----> the radius is half the diameter

substitute

V=\frac{2}{3} \pi (1)^{3}=\frac{2}{3} \pi\ ft^3

step 2

Find the volume of the cone

The volume of the cone is given by

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

we know that

The radius of the cone is the same that the radius of the hemisphere

so

r=1\ ft

The height of the cone is equal to subtract the radius of the hemisphere from the height of the toy

h=4-1=3\ ft

substitute the given values

V=\frac{1}{3}\pi (1)^{2}(3)=\pi\ ft^3

step 3

Find the volume of the toy

we know that

The volume of the toy, is equal to the volume of the cone plus the volume of the hemisphere.

so

V=(\frac{2}{3} \pi+\pi)\ ft^3

V=(\frac{5}{3}\pi)\ ft^3

assume

\pi=3.14

V=\frac{5}{3}(3.14)=5.23\ ft^3

5 0
3 years ago
using the coordinate plane shown below 1/3 point is plotted five units to the right of -4, for where should a four point be plan
Mrac [35]

we know that

the fourth point is plotted 5 units to the right of (-4,4)

so

the coordinate x of the fourth point is equal to

-4+5=1

the y-coordinate of the fourth point is the same y coordinate of (-4,4)

therefore

the coordinates of the fourth point is (1,4)

8 0
1 year ago
Hello, I need assistance with the attached problem. My answer was incorrect
Semmy [17]

Answer:

(a) 480 + 1640

Step-by-step explanation:

I don't really know what (b) is

but hope this helped

6 0
3 years ago
Anson estimated he would need 17 hours to complete his science project. He actually needed 19 1 2 19 1 2 hours. What was his per
satela [25.4K]

Answer:

The answer is B. 14.7%.

Step-by-step explanation:

Given:

Estimated time need to complete project 17h.

Actually time needed 19\frac{1}{2}h=\frac{39}{2}h.

Difference between the time ET-AT= \frac{39}{2}- 17\\=\frac{39}{2} -\frac{34}{2}\\ =\frac{5}{2}=2.5h.

So, the percentage error is \frac{2.5}{17}\times100\\ =\frac{250}{17} \\=14.70%.

Therefore, the answer is B. 14.7%.

 

7 0
3 years ago
Read 2 more answers
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