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Marta_Voda [28]
3 years ago
5

What is 5m2- 15m- 200

Mathematics
1 answer:
vitfil [10]3 years ago
3 0

Answer:

5(m + 5) (m - 8)

Step-by-step explanation:

5m2- 15m- 200

Start by pulling 5 out.

5(m^2 - 3m - 40)

We consider all factors of 40  

1    40

2   20

4    10

5     8

Based on the middle term we know that 5   and 8 are our best option.

5(m     5) (m     8)

We know the signs have to be one + and one -  because a - * - = + and + * + = +

Since 5 - 8 would give us -3 we know that our answer is

5(m + 5) (m - 8)

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telo118 [61]

Question 1:

(attached is a graph of the data)

The graph seems to show a negative trend. Each value is usually less than the value before it.

People may only want to see the first game and decide to not show up to any others. Or maybe, as more games occurred, the weather was colder and people didn't want to go out in the cold.

Question 2:

  • St John's    | 174000 | 173000
  • Sudbury     | 165000 | 155000
  • Saint John | 126000 | 123000
  • Chicoutimi | 160000 | 155000
  • Thun. bay  | 127000 | 122000
  • Regina       | 194000 | 193000
  • Trois-Riv.   | 140000 | 138000

(attached is a graph of the data)

I chose this graph type to demonstrate each city, as well as the change in population over time.

I notice that, for each city, the population decreased slightly from 1996 to 2001.

The graph shows the trend because the pink bar (2001) is lower than the orange bar (1996).

Predicting values for 2006:

  • St John's    | 172000
  • Sudbury     | 145000
  • Saint John | 120000
  • Chicoutimi | 150000
  • Thun. bay  | 117000
  • Regina       | 192000
  • Trois-Riv.   | 136000

To find these values, I found the difference from 1996 to 2001 (<em>for St John's: </em>174000-173000 = 1000). Since 1996 to 2001 is 5 years, and 2001 to 2006 is also 5 years, I can subtract 1000 from 2001's value (173000 - 1000 = 172000). Another example (for Saint John): 126000 - 123000 = 3000. 123000 - 3000 = 120000.

5 0
3 years ago
Please I need help on this question
Yanka [14]

Step-by-step explanation: i hope this helps :)

Simplifying

g(x) = 5x + -1

Multiply g * x

gx = 5x + -1

Reorder the terms:

gx = -1 + 5x

Solving

gx = -1 + 5x

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Divide each side by 'x'.

g = -1x-1 + 5

Simplifying

g = -1x-1 + 5

Reorder the terms:

g = 5 + -1x-1

3 0
3 years ago
A skyscraper is 396 meters tall. At a certain time of the day, it's casts a shadow that is 332 meters long. At what angle is the
emmasim [6.3K]

Answer:

56.96°

Step-by-step explanation:

The set up will give a right angles triangle where;

The height of the sky scraper = hypotenuse side = 396m

The length of the shadow will be the opposite = 332m

According to the SOH trig identity

sin theta = opp/hyp

sin theta = 332/396

sin theta = 0.8383

theta = arcsin 0.8383

theta = 56.96°

Hence the sun is at 56.96° above the horizon

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3 years ago
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