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zubka84 [21]
3 years ago
9

Convert 2100 seconds to weeks

Mathematics
2 answers:
Sonja [21]3 years ago
6 0

It will be 3 weeks because if you divide 7/2,100 it will become to be 3weeks

Helga [31]3 years ago
5 0

Answer:

3 weeks

Step-by-step explanation:

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A cargo plane flew to Moscow and back. It took six hours longer to go there than it did to come back. The average speed on the t
k0ka [10]
<span><span>A cargo plane flew to Moscow and back.
It took six hours longer to go there than it did to come back.
The average speed on the trip there was 152 mph.
The </span></span><span>average speed on the way back was 380 mph.
How many hours did the trip there take?
(x + 6)152 = 380x
228x = 912
x = 4
The trip there took 10 hours.</span>
4 0
3 years ago
Help i will give an award!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Grace [21]

Answer: Plug in answers work backwards; or learn log to get rid of powers

Step-by-step explanation: save time on your test by cheating yourself of knowledge

6 0
2 years ago
Read 2 more answers
1. Dolores is on a bridge that is 42 feet above a lake. What is the distance from Dolores to the boat? G​
mrs_skeptik [129]

Answer:

See answer below

Step-by-step explanation:

You are missing data such as the angle of the boat next to Dolores. I found an exercise similar to this, and I'm going to show it here and use the missing data to show you how to do it:

<u>Dolores is on a bridge that is 45 feet above a lake. She sees a boat at a 30 degree angle of depression. What is Dolores' approximate horizontal distance from the boat?</u>

<u></u>

According to that, I will use the angle of 30° to do this, but the distance of 42 feet.

Now, we can see this as a triangle. Dolores is on a bridge 42 feet above a lake, this 42 feet distance should be one side of the triangle (The vertical forming the 90° angle), and the boat that is on the lake, is seen with an angle of 30°. So the distance of the boat, to the spot where dolores is, under the bridge would be the horizontal side.

With this, we have the opposite side (a) and the adyacent side (b) of the triangle, and we have the angle, therefore:

tanα = a/b

Replacing we have:

tan30° = 42/b

b = 42 / tan30°

b = 72.75 feet

Hope this helps

4 0
3 years ago
You have $1,500 to spend over a five month semester to cover your living expenses. In the first month, you spend $150 at restaur
alekssr [168]

Answer:

$250

Step-by-step explanation:

1st month you spent $300. And the flight back is $200. 300+200=500. 1500-500=1000. Yoy have 1000 dollars to spend in 4 months. 1000/4=250, so each month you can spend $250.

6 0
3 years ago
Read 2 more answers
Subtract. 7 4/10−1 2/10 Write your answer in simplest terms.
Stolb23 [73]
The answer is 6 1/5.
7 0
2 years ago
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