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Andreas93 [3]
4 years ago
6

Evaluate (4.2x10^6)(5.7x10^8)

Mathematics
1 answer:
Mrrafil [7]4 years ago
8 0
The answer equals <span>2.394e+15</span>
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I honestly need help with this

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Will give brainliest to first right answer. Before a sale an items price was $28.00 then after being discounted the price was $1
yulyashka [42]

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3 years ago
A rain barrel is 65% full. If there are 26 gallons of rain water in the barrel, how many gallons of water can the whole barrel h
frez [133]

Answer:

40

Step-by-step explanation:

A rain barrel is 65$ full

There are 26 gallons of water in the barrel

Therefore the numberr of gallons of water the barrel will hold can be calculated as follows

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3 years ago
Find sec x if sin x = -7/25 and cot x = -24/7.<br> Show work.
vredina [299]

Answer:

25/24

Step-by-step explanation:

sin x = O/H = -7/25

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sec x = H/A

if sin x = -7/25, the opposite side is 7, and the hypotenuse is 25

if cot x = -24/y, the adjacent side is 24 (and the opposite side is still 7)

since H = 25 and A = 24, sec x = 25/24

Also, you know it's positive because when sin x is negative, the angle is in quadrants 3 or 4, and when cot x is negative, the angle is in quandrants 2 or 4, so the only quadrant that satisfies both is 4. In quadrant 4, sec x is positive.

4 0
3 years ago
Read 2 more answers
What is the value of this expression when w=-5?
VladimirAG [237]

Answer:

D. -1

Step-by-step explanation:

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(-5)^2 + 3*(-5) - 11

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= 25 - 26

= -1

5 0
3 years ago
Read 2 more answers
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