3 years ago

Write the equation of a line through the point (4,2) and with a slope of 1/2

Mathematics

1 answer:

malfutka [58]3 years ago

4 0

Answer:

y=1/2x

Step-by-step explanation:

Its simple and it works with the y=mx+b form.

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sesenic [268]

Answer:

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3 years ago

42 is how many groups of 7?

erica [24]

You divide 42 by 7 which equals 6

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3 years ago

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Is sin A is 7/10 what is Cos A

viva [34]

Answer:

Cos A = (√51)/ 10

Step-by-step explanation:

sin is opposite/hypothenuse

cos is adjacent/hypothenuse

Pythagorus theorem says that c² = a² + b²

10² = 7² + b²

b² = 100 - 49

b = ±√51

It doesn't make sense for a length to be a minus number therefore, we will use +√51.

Cos A = (√51)/ 10

Tell me if I am wrong.

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3 years ago

Find the square root of these numbers to the nearest tenth. 72 = 32 = 481 =

larisa86 [58]

Squrt of 72 is 8.49

squrt of 32 is 5.66

squrt of 481 is 21.93

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3 years ago

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First 100 terms of the following sequence 3 ,7 ,11

Sveta_85 [38]

Given that $a_1 = 3, d = 4$

Find the nth term:

$a_n = 3 + 4(n - 1)$

$a_n = 3 + 4n - 4$

$a_n = 4n - 1$

Find the 100th term:

$a_{100} = 4(100) - 1 = 399$

Find the Sum:

$\text{Sum} = 100(\dfrac{a_1 + a_{100}}{2} )= 100 (\dfrac{3 + 399}{2}) = 20100$

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4 years ago

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