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evablogger [386]
3 years ago
6

A six foot tall man casts a shadow that is 10 feet long. if a tree next to the man casts a 25 foot shadow. how tall is the tree?

Mathematics
1 answer:
OLga [1]3 years ago
4 0

Answer: Im not completely sure but my best guess is 21. the tree is 21 feet tall

Step-by-step explanation:

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Find the area of a circle that has a diameter = 18
ki77a [65]

Answer:

About 254.469 square units

Step-by-step explanation:

To find the area of a circle, you need to multiply the square of the radius by pi. To find the radius of a circle, you need to divide the diameter by 2, which in this case is 18/2=9. Now, you can plug it into the formula to find that the area of this circle is \pi \cdot 9^2 \approx 254.469. Hope this helps!

4 0
3 years ago
3×-y=5,2×+y=5 pleaseplease ​
Tanya [424]

Answer:

x = 2

y = 1

Step-by-step explanation:

3x - y = 5..............(1)× 1

2x + y = 5...….......(2)× 1

3x - y = 5..............(3)

2x + y = 5.............(4)

Cancel y

3x + 2x = 5 + 5

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Divide both sides by 5

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Substitute for the value of y

3x - y = 5

3(2) - y = 5

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6 0
2 years ago
Is 5.78778777... A rational or irrational number
Minchanka [31]
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8 0
3 years ago
The half of the circle equals 764747575674 cm. <br> What's the whole circle?
Greeley [361]
Times by 2
1.529495e9 cm
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3 years ago
How do we express four less than the square of a number?
Gre4nikov [31]

Answer:

x^{2} - 4

Step-by-step explanation:

in this case, x is your number. we will always note square with the tiny two at the top of the number.

Four less than anything is easily shown with a minus four.

eg. four less of 12 square:

12^{2}  - 4 = :)

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