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Rina8888 [55]
3 years ago
15

There are 5 students in class. each will be assigned a grade of a, b or

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0
There could be five in each class.
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Carol ate 25% of the candies in the bag. If Carol ate 24 candies, how many candies were there total in the bag?
almond37 [142]

Answer:

I can't understand the questions

3 0
3 years ago
WHAT IS 78,600 ROUND TO THE NEAREST THOUSAND
tino4ka555 [31]
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3 years ago
The magnitude and direction of two forces acting on an object are 100100 ​pounds, S7878degrees°​E, and 5050 ​pounds, N5353degree
amm1812

Answer:

  138.06 lb N86.1°E

Step-by-step explanation:

There are several ways you can work this. One of the most straightforward is to resolve each vector into its north and east components, add those, and then covert the result back to magnitude and direction.

A diagram can help immensely.

We note that S78°E is the same as E12°S. Since we're used to seeing the coordinate system with the +x axis aligned with east, it can be convenient to think of the first force as 100 lb at -12°.

The angle of the second force is N53°E, which can be expressed as E37°N. Then in x-y coordinates, this force is 50 lb at +37°.

The components of the sum are the sum of the components:

  R = F1 +F2 = (100cos(-12°) +50cos(37°), 100sin(-12°) +50sin(37°))

  = (137.747, 9.300)

The the magnitude of the resultant is computed using the Pythagorean theorem:

  ||R|| = √(137.747² +9.300²) ≈ 138.06

and the angle is computed using the arctangent function. Here, our diagram tells us the angle is in the first quadrant, so is positive (relative to +x, or East).

  ∠R = arctan(9.300/137.747) ≈ 3.9°

__

We want to express the answer in terms similar to the way the given forces are expressed, so we want the angle relative to north. The resultant is then described by ...

  R = 138.06 lb at N86.1°E

4 0
3 years ago
A merchant is bagging potatoes that he will sell for 5$ a bag. He wants to take in at least 400$ for them. How many bags should
Kitty [74]

400 divided by 5 = 80.

Needs to bag at least 80.

7 0
3 years ago
15/8 how to simplify
algol13
Well 15 is over 8 so figure out how many times 8 goes into 15 then the rest of 15 replaces it over the 8
8 0
3 years ago
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