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zhannawk [14.2K]
3 years ago
8

Evaluate WITHOUT a calculator. Answer in scientific notation.(3•10^9) (5•10^6)​

Mathematics
1 answer:
alexandr402 [8]3 years ago
8 0

Answer:

15*10^15

Step-by-step explanation:

5*10^6= 5*1,000,000

5*1,000,000=5,000,000

3*10^9=3*1,000,000,000=3,000,000,000

5,000,000*3,000,000,000=15,000,000,000,000,000

15*10^15=15,000,000,000,000,000

Hope this helps

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poizon [28]
I’m assuming ‘dives further’ means to go directly down

the angle of elevation of the ship from the submarine is equal to the angle of depression of the submarine from the ship, if we assume the sea level is perpendicular to ‘directly down’.

let both of these angles to be = $ when the submarine is at A and ¥ when the submarine is at B (excuse the lack of easily accessible variables as keys)

then this become a simple trig problem:

A)

Let O be the position of of the ship, and C be the original position of the submarine.

therefore, not considering direction

|OC| = 1.78km = 1780m

|CA| = 45m

these are the adjacent and opposite sides of a right angled triangle.

But tan($) = opp/adj = |CA|/|OC| = 45/1780

therefore $ = arctan(45/1780) which is roughly 1.45 degrees,

B)

similarly, noting that |CB| = |CA| + |AB| = 45 + 62 = 107m


tan(¥) = 107/1780

¥ = arctan(107/1780) which is roughly 3.44 degrees






4 0
3 years ago
Solve for y: 1/2(4y+6)=4-2(y-6)/3​
gizmo_the_mogwai [7]

Answer:

0.09

Step-by-step explanation:

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8 0
2 years ago
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tester [92]
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3 years ago
A high school has 44 players on the football team. The summary of the players' weights is given in the box plot. Approximately,
Marina CMI [18]

Answer:

Step-by-step explanation:

The missing image is attached below.

From the given information

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From the box plot;

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The second quartile Q₂ = 213 which is 50% of the data below 213 pounds

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The maximum weight = 268 pounds.

Here, the value of 213 is the middle value and which signifies the median.

The 50% of the data are located both on the left side and the right side of the median.

Thus, the percentage of players weighting greater than or equal to 213 pounds is 50%.

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3 years ago
Ben left a 20% tip on his bill at a restaurant. The bill was $40
tigry1 [53]

Answer:

Tip: $8

Total:$48

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Multiply 40 by 20% to find out how much money he gave for tip.

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