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3 years ago

Which one of the following is a perfect square A: 100, B:13, C:127, or D:102

Mathematics

2 answers:

Tom [10]3 years ago

5 0

A: 100 because a perfect square is just a number squared and 10 squared is 100 :)

nirvana33 [79]3 years ago

5 0

Which of the following is a perfect square?
 A. 100

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You are painting the root of a boathouse. You are going to place the base of a ladder 12 feet from the boathouse. How long does

jolli1 [7]

Answer:

37 ft

Step-by-step explanation:

The ladder forms a right triangle as it elan's against the wall of the boat house.

Thus, the length of the ladder can be determined using Pythagorean theorem.

c² = a² + b²

c = length of ladder

a = 35 ft

b = 12 ft

Plug in the values

c² = 35² + 12²

c² = 1,225 + 144

c² = 1,369

c = √1,369

c = 37

Therefore, to reach the roof of the boathouse, the length of the ladder = 37 ft

4 0

3 years ago

A fair coin is tossed three times in succession. The set of equally likely outcomes is {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}.

worty [1.4K]

Answer:

If a fair coin is tossed three times, sample = 2^3 = 8 (hhh, hht, hth, thh, htt, tht, tth, ttt) where h=head and t=tail.

Probability of getting one:

Outcomes with one head (h) = 3

P(1 h) = 3/8 = 0.375

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

When you form general ideas and rules based on your experiences and observations, you call that form of reasoning _____.

stepladder [879]

Answer: A

Step-by-step explanation:

3 0

3 years ago

What is the slope of the line through (6, 9) and (7, 1) a. -1/8 b. 8 c. -8 d. 1/8

eduard

Answer:

Slope is -8

Step-by-step explanation:

First and foremost, welcome to Brainly!

I'll begin with the basics of slope, just to help you get the gist of this crucial concept -

Slope can be rewritten as rise/run, although written formally as :

$m = \frac{y_{2}-y_{1} }{x_2-x_1}$

when we are given two coordinates (x,y) on the line.

One important thing to note is that slope belongs to a general equation,

y = mx+b

where b represents the y intercept and m is slope.

We're given two coordinates in your question: (6,9) and (7,1):

$m = \frac{1-9}{7-6} = \frac{-8}{1} =-8$

m = -8 is the final answer.

I hope this helps! By the way, slope is a concept that will follow you to calculus and physics, so I urge you to practice!

5 0

3 years ago

Simplify the expression using distributive property 4(x+3)

Virty [35]

Answer:

$4x+12$

Step-by-step explanation:

$4(x+3)\\\\(4)(x)+(4)(3)\\\\4x+12$

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2 years ago