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nadezda [96]
2 years ago
11

(√2-3)(√2+3) what is this?

Mathematics
2 answers:
shutvik [7]2 years ago
7 0

Answer:

-1

Step-by-step explanation:

sqrt(2-3) x sqrt(2-3)= sqrt(-1)^2 = -1

Gekata [30.6K]2 years ago
6 0

Answer:

sqrt(2-3) x sqrt(2-3)= sqrt(-1)^2 = -1

maar rekenmachine zegt -7

Step-by-step explanation:

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Larry says all
MaRussiya [10]

Answer:

larry is incorrect because the number 2 is not a composite number, although numbers 12, 22, 32, 42, 52, 62, 72, 82, and 92 are composite, 2 isn't

6 0
3 years ago
1. Chris takes 25 minutes to replace one car tyre.
vekshin1

Chris and Jim must replace a <em>total</em> quantity of 17 tyres.

<h3>What is the minimum number of tyres to be replaced?</h3>

In this problem we must use an inequality of the form f(x) ≥ a, where f(x) is the difference between the number of tyres replaced by Jim and the number of tyres replaced by Chris:

(25/20) · x - x ≥ 3

(5/20) · x ≥ 3

x ≥ 12

Then, the <em>minimum</em> number of tyres to be replaced is n = 15 + 12 = 17 tyres.  

To learn more on inequalities: brainly.com/question/20383699

#SPJ1

3 0
1 year ago
gallons of water can fill a pool that is 50 yards by 20 yards and is 9 feet deep? (Assume 7 1/2 gallons per cubic foot.)
saul85 [17]
L = 50 yards or 150 feet W = 20 yards or 60 feet H = 9 feet V = 150 * 60 * 9 V = 81000 cubic feet then multiply the volume, 81000, by  7.5, or 607,500 gallons.
hope i helped  
6 0
2 years ago
Find the volume of a cone with a diameter of 12 m and a height of 6 m.
castortr0y [4]

Answer: D. 72 m

Step-by-step explanation:

The formula for the volume of a cone is Volume = pi times radius squared and then times the height, and then divided by 3.

Since the diameter is 12, the radius is 6. Applying the formula, 6 squared is 36, times pi is 36 pi. The height is 6 so 36 * 6 = 216.

But be careful, we're not done yet... We still have to divide by 3

216 / 3 = 72

we can be sure this answer is correct because the other answers are clearly too big

here's your answer, hope this helps :)

3 0
2 years ago
The record low temperature in Kansas is -40°F. The record low temperature in Florida is -2°F. What is the difference between the
MatroZZZ [7]
The answer is 38 degrees. It WOULD be -38, but difference can not be negative.
8 0
2 years ago
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