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stepan [7]
3 years ago
5

Which is the graph of y = kx] -2?

Mathematics
1 answer:
miss Akunina [59]3 years ago
5 0

Please show the rest of the question if there is any

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Identify the exact value of 157.5°
steposvetlana [31]
<span>exact value of sin 157.5 without using a calculator
sin(157.5)=sin(315/2)
Identity: sin(x/2)=±√[(1-cosx)/2]
select positive identity since 175 is in the 2nd quadrant where sin>0
sin(315/2)=√[(1-cos315)/2]

cos 315=cos45 in quadrant IV=√2/2
sin(315/2)=√[(1-√2/2)/2]=√[(2-√2)/4]=√(2-√2)/2
sin(157.5)=√(2-√2)/2
check using calculator:
sin157.5º≈0.382...
√(2-√2)/2≈0.382...</span>
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3 years ago
The 8 has a value of 8 x ?
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you buy 1.55 pounds of apples and 1.95 pounds of pears. Apples and pears sell for the same price per pound. The total​ cost, aft
Artemon [7]
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2 years ago
Hans accidentally multiplies incorrectly during his data analysis. hans has committed _____.
fredd [130]
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Read 2 more answers
. Waipio Rd in Honokaa, Hawaii, is one of the steepest roads in the world. It rises 450 ft over a horizontal distance of 1,000 f
Deffense [45]

Answer: 50%

Step-by-step explanation:

From the question, we're given the information that Waipio Rd in Honokaa, Hawaii, is one of the steepest roads in the world and that it rises 450 ft over a horizontal distance of 1,000 ft.

Therefore, the percentage grade of this hill will be calculated as the height over the length and this will be:

= 450/1000 × 100

= 45%

= 0.45

= 0.5 to nearest tenth

= 50% to nearest tenth.

8 0
3 years ago
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