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Furkat [3]
2 years ago
12

3. What multiplication expression represents 7 + 7 + 7 + 7?

Mathematics
1 answer:
olga_2 [115]2 years ago
6 0

Answer: 7 times 4

Step-by-step explanation:

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Water in a 14mm diameter pipe flows at 2m/s. How many liters flow along the pipe in 1 minute
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Step-by-step explanation:

6 0
2 years ago
The endpoints of a diameter of a circle are (4,-2) and (3,6). Find the area of the circle in terms of pi
Vinil7 [7]
The endpoints of a diameter of a circle are (4,-2) and (3,6). The area of the circle in terms of pi is 65pi
First, is to get the length of the diameter by getting the distance of the two points: (4, -2) and (3, 6)

dis = sqrt( (x2-x1)^2 + (y2-y1)^2)
dis = sqrt( (3-4)^2 + (6--2)^2 )
dis = sqrt( 1 + 64 )
dis = sqrt(65)

Next, is to find the area of the circle:
A = pi * r^2
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A = 204.20 square units

4 0
3 years ago
Please help me with this.
likoan [24]

It is possible for two different inputs to give you the same output. For example, -2 and 2 produce the same result: 5.

it is not possible to derive two different outputs from the same input. This is because a) y=x^2+1 is a function making it impossible to have two outputs and b) for each value, if  you square it, you only get one value, then adding one, making it one certain value.



6 0
3 years ago
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