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Neporo4naja [7]
2 years ago
9

Marvin wrote down all of the numbers from 1 to 100. How many times did the digit 8 appear in Marvins's list?

Mathematics
1 answer:
Nata [24]2 years ago
6 0

Answer:

Originally Answered: How many times does 8 occur in 1 to 100? 20 8's occur from 1 to 100. 8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89 and 98.

Step-by-step explaintion: i am 5 million iq brainlist pls

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Answer:

Step-by-step explanation:

The tough part of this question is figuring out what to do with √(7^2). You could do it by expanding the square. √(7^2) = √49

Now what is the square root of 49? Is it not 7?

√49 = 7

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7 ^ 7

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What is the measure of each base angle of a 140 degree
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The two possible cases are

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Step-by-step explanation:

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What are the coordinates of the point on the directed line segment from (-2, 9)(−2,9) to (-1, -4)(−1,−4) that partitions the seg
skelet666 [1.2K]

Answer:

Therefore the coordinates of the point on the directed line segment from (-2, 9) to (-1, -4) that partitions the segment into a ratio of 2 to 3 is

P(x,y)=(-\dfrac{8}{5},\dfrac{19}{5})

Step-by-step explanation:

Given:

Let point P divides Segment AB in the ratio 2 : 3

point A( x₁ , y₁) ≡ ( -2 , 9 )  

point B( x₂ , y₂) ≡ ( -1 , -4 )

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To Find:

P( x, y ) = ?

Solution:

Ia a Point P divides Segment AB internally in the ratio m : n, then the Coordinates of Point P is given by Section Formula as

x=\dfrac{(mx_{2} +nx_{1}) }{(m+n)}\\ \\and\\\\y=\dfrac{(my_{2} +ny_{1}) }{(m+n)}\\\\

Substituting the values we get

x=\dfrac{(2(-1) +3(-2))}{(2+3)}\\ \\and\\\\y=\dfrac{(2(-4) +3(9)) }{(2+3)}\\\\

x=\dfrac{-8}{5}\\ \\and\\\\y=\dfrac{19}{5}\\\\

Therefore the coordinates of the point on the directed line segment from (-2, 9) to (-1, -4) that partitions the segment into a ratio of 2 to 3 is

P(x,y)=(-\dfrac{8}{5},\dfrac{19}{5})

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Answer:

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Step-by-step explanation:

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