4 years ago

The human eye can detect amounts of light that differ by a factor of.

Mathematics

1 answer:

Gemiola [76]4 years ago

6 0

Answer:

10000

Step-by-step explanation:

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What is the length of side c

Nutka1998 [239]

c ≈ 16.7 ( to 1 dec. place ) → d

since triangle ABC is right use the cosine ratio to find c

cos33° = $\frac{adjacent}{hypotenuse}$ = $\frac{14}{c}$

multiply both sides by c

c × cos33° = 14 ( divide both sides by cos33° )

x = $\frac{14}{cos33}$ ≈ 16.7 ( to 1 dec. place )

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4 years ago

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What is the perimeter

Mademuasel [1]

Good morning ☕️

Answer:

Perimeter = 36 cm

Step-by-step explanation:

Firstly, Check the attached picture

perimeter = 10 + 10 + 8 + 8

= 20 + 16

= 36

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3 years ago

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Answer:

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3 years ago

Write the slope-intercept form of the given line. Include your work in your final answer. Type your answer in the box provided o

Rainbow [258]

Count the rise and run to find the slope, 1. Next, find the y-intercept-(-1). Now make the slope-intercept equation- y = 1x - 1. Double check, put x = 2 in the equation- y = 1(2) - 1 (=) y = 2 - 1 (=) y = 1.

So, the slope-intercept equation for this line is y = 1x - 1.

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4 years ago

Prove that the number A= [tex]20^{8^{2014} } }+113 is composite

Drupady [299]

Cheese proof:

We can just prove that it is divisible by 3, which means that it is composite. We can use modular exponentiation, where if $a \equiv b \pmod{n}$ then $a^x \equiv b^x \pmod{n}$ . In this case, ${-1}^{8^{2014}} \equiv 20^{8^{2014}} \pmod{3}$ . This is much easier to calculate! Since $8^{2014}$ is even, $-1^{8^{2014}}=1$ , meaning that now we only need to prove that $0\equiv(1+113) \pmod{3}$ , which is obviously true.

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2 years ago