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Oksana_A [137]
3 years ago
12

Simplify the following expression. 5 [13 + 10 = (3 + 2)] + 9 x 2

Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Answer:

i BELIEVE ITS

Step-by-step explanation:

5 [13 + 10 = (3 + 2)] + 9 x 2

65+50=25+18

115=43

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If an arrow is shot upward on Mars with a speed of 68 m/s, its height in meters t seconds later is given by
Talja [164]

Answer:

(a) dy/dt = 68 - 3.72t

(b) 64.28m/s

Step-by-step explanation:

Given y = 68t - 1.86t²

Average Speed is rate of chance of distance with respect to time. Written as dy/dt

To obtain dy/dt, we differentiate y with respect to t, doing that, we have

dy/dt = 68 - 2(1.86)t

= 68 - 3.72t

(a) dy/dt = 68 - 3.72t

(b) To estimate the speed when t = 1, we substitute t = 1 in dy/dt .

dy/dt at t = 1 is

68 - 3.72(1)

= 68 - 3.72

= 64.28

The speed at t = 1 is 64.28m/s

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3 years ago
Help me answer this question
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The graph of g(x) is obtained by reflecting the graph of f(x)=2|x| over the x-axis.
Lera25 [3.4K]
Answer: Choice C) 
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You'll also use the idea that |2x| = 2|x|. The two can be pulled out since we can say |x*y| = |x|*|y|
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3 years ago
Identify the factors of 6ab − 8a + 21b − 28. (5 points)
cupoosta [38]
Rearrange to

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2 years ago
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What is 0.8525641 rounded 2 decimal places!
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Answer:

0.85

Step-by-step explanation:

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3 years ago
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