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Lady bird [3.3K]
3 years ago
15

Help and explain............

Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0
If the 5 of them weigh 1/4 of a ton
then 1 of them weigh x

5/1 = 1/4//x Do you see what happens? Just by writing down the givens you get a proportion. It will work better for you if you change the 1/4 to 0.25

5/1 = 0.25/x Now it looks like an ordinary proportion. Cross multiply
5x = 0.25*1 divide by 5
x = 0.25/5
x = 0.05 tons. We better change this to pounds.

1 ton = 2000 pounds
0.05 ton = x

1/0.05 = 2000/x Cross multiply
x = 2000 * 0.05
x = 100 pounds.
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Sally is at the park standing directly under a kite which is 20 feet overheadSally's dad is flying the kitc and is standing 15 f
sergij07 [2.7K]

Answer:

25 feet

Step-by-step explanation:

Given that Sally is at the park standing directly under a kite which is 20 feet overheadSally's dad is flying the kitc and is standing 15 feet from her If both are on level ground, how long is the kite string in feet?

To calculate the length of the kite string, we will apply pythagorean theorem.

Length = sqrt ( 20^2 + 15^2 )

Length = sqrt ( 400 + 225 )

Length = sqrt ( 625 )

Length = 25 feet.

Therefore, the length of the kite string is 25 feet.

8 0
3 years ago
Marti rolls two dice.What is the possibility that the sum of the dice is 7, given that the first die is a 2?
iragen [17]

Answer:

1/6 i think

Step-by-step explanation:

so if the first die is 2 and then a die has 6 sides it would be a 1/6 chance of rolling a 5

8 0
3 years ago
Write a mixed number for p so that 3 1/4 is more than 3 1/4
xenn [34]
7/4? is that what you wanted
5 0
3 years ago
Help!!! Picture Attached for the question
sweet [91]
Hi!

Let's find the volume of the cylinder first. 
The equation to find the volume of a cylinder is
(r = radius, h = height)
v = πr²h

Fill in the values
v = π · 100² · 250
Solve
v = π · 10000 · 250
v =  π · 2500000
v = 7853981.63

Now since the cylinder is half-full, divide by 2. 
7853981.63/2 = 3926990.81

To find how many liters are in the container, divide
1 liter = 1000
3926990.81/1000 = 3926.99081
Round to the nearest liter
3927

There are 3927 liters in the cylindrical tank

Hope this helps! :)
3 0
3 years ago
Does anyone know the answer to number 1, because I need to know ASAP
sdas [7]

The exterior angles of any convex polygon add to 360 degrees.  So for a regular pentagon, the exterior angle is 360/5 = 72 degrees. The interior angle is supplementary to the exterior angle so is 180 - 72 = 108 degrees.  So the sum of them is 5(108) = 540 degrees.

Answer: 540 degrees


5 0
3 years ago
Read 2 more answers
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