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zavuch27 [327]
3 years ago
5

A full supertanker travels for 574 miles. How many hours did it travel?

Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

Answer:

45

Step-by-step explanation:

you can see that the time increases by 10.

ex: 5+10=15, 15+10=25.

So, 35 + 10 = 45

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(7a-b+3) - (-2a-8b+8)
Mumz [18]
(7a-b+3)-(-2a-8b+8)
Apply plus/minus rule.
-(-a)= a and -(a)=-a
we get
(7a-b+3)-(-2a-8b+8)= 7a-b+3+2a+8b-8
Add like terms
=9a+7b-5

Answer: 9a + 7b - 5
5 0
3 years ago
1. Find the two square roots of <br> a) 5−12i<br> b) 3−4i
natulia [17]
A)
5 – 12i = 3 + 2i
or, 3 – 2i
or, – 3 + 2i
or, – 3 – 2i

b)
3 + 4i is 2 + i
5 0
4 years ago
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Sladkaya [172]

Recall the double angle identity,

sin(2x) = 2 sin(x) cos(x)

Then we can write

sin(9x) cos(9x) = 1/2 sin(2 • 9x) = 1/2 sin(18x)

Then

∫ sin(9x) cos(9x) dx

= 1/2 ∫ sin(18x) dx

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though you could continue with another double angle identity,

cos(2x) = cos²(x) - sin²(x)

to rewrite the antiderivative as

= -1/36 (cos²(9x) - sin²(9x)) + C

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5 0
2 years ago
Expression that has a value of 2.472.
Monica [59]

Answer 4.6/5. 20

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3 0
3 years ago
Cristina uses a ruler to measure the length of her math textbook. She says that the book is 4/10 meters long. Is her measurement
a_sh-v [17]

Answer:

2/5

Step-by-step explanation:

You could still divide by 2

4 0
3 years ago
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