3 years ago

Pls help ill give a brainliest to the correct answer!!

Mathematics

1 answer:

andrew11 [14]3 years ago

4 0

Answer:

Step-by-step explanation:

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What is the LCM of 9 and 15?

Charra [1.4K]

Answer:

Step-by-step explanation:

15+15=30

30/9=3 r3 doesn't work

30+15=45

45/9=5

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3 years ago

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What is the slope of the line that passes through (3, 11) and (10, 15)?

antiseptic1488 [7]

Answer:

4/7

Step-by-step explanation:

$\frac{y2-y1}{x2-x1} \\\frac{15-11}{10-3} \\\frac{4}{7}$

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3 years ago

If an arrow is shot upward on the moon with a velocity of 50 m/s, its height (in meters) after t seconds is given by H = 50t − 0

Luda [366]

Answer:

The velocity is: 48.34m/s

Step-by-step explanation:

Given

$u = 50m/s$ --- initial velocity

$h = 50t - 0.83t^2$

Required

The velocity after 1 second

We have:

$h = 50t - 0.83t^2$ and $t = 1$

Differentiate

$h' = 50 - 1.66t$

We have that:

$v = h'$

So, the equation becomes

$v = 50 - 1.66t$

Substitute 1 for t

$v = 50 - 1.66*1$

$v = 50 - 1.66$

$v = 48.34$

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3 years ago

4. Lincoln began his speech, “Four score and seven years ago....” How many years is four score and seven? (Hint: A score is 20 y

chubhunter [2.5K]

87 years I think…. If a score is 20 years and four scores have passed you do 4x20 = 80. 80 plus the seven 80+7 = 87

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3 years ago

B² - 4ac also known as

Musya8 [376]

Answer:

-143

Step-by-step explanation:

(I THINK)

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