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JulijaS [17]
2 years ago
12

Negative numbers have positive square roots. O A. True B. False

Mathematics
2 answers:
melamori03 [73]2 years ago
8 0

Answer:

false

Step-by-step explanation:

negative numbers can't have square roots

musickatia [10]2 years ago
7 0

Answer:

false

Step-by-step explanation:

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A cylinder has radius 2.5 cm and lateral area 20 pi cm^2. What is the surface area of the cylinder in terms of pi?
Novosadov [1.4K]
This is the concept of areas of solid materials; the surface area of the cylinder whose radius is 2.5 cm and lateral area is 20 pi cm^2 will be: Surface area of cylinder is given by:
SA=(area of cyclic sides)+(lateral area)
SA=2πr^2+πrl
Area of the cyclic sides will be:
Area=2πr^2
=2*π*2.5^2
=12.5π cm^2
The lateral area is given by:
Area=20π cm^2
Therefore the surface area of cylinder will be:
SA=(12.5π+20π) cm^2
SA=32.5π cm^2
The answer is 32.5π cm^2

4 0
3 years ago
Lynn and Dawn tossed a coin 60 times and got heads 33 times. What is the experimental probability of tossing heads using Lynn an
Thepotemich [5.8K]
<h3>Answer: 11/20</h3>

They got 33 heads out of 60 tosses, so,

33/60 = 11/20

You divide each part by 3 to reduce the fraction.

7 0
3 years ago
One pound of specialty coffee costs $9.47. How much will $3.8 pounds of this coffee cost
OverLord2011 [107]
It would cost $35.98


Hope this helps!
8 0
2 years ago
Read 2 more answers
What number is 7 units to the left of -1?
expeople1 [14]
7 unit to the left, means it is 7 less than -1. 
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Ans: -8
7 0
3 years ago
Using examples, describe the following.
Hunter-Best [27]

Answer:

1. An intuitive understanding of number, their magnitude, relationships, and how they are affected by operations.

2. The ability to work outside the traditionally taught algorithms.

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4. The ability to look at the world and make comparisons.

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3 years ago
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