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Tems11 [23]
2 years ago
6

PLEASE HELPPPPPP can I get a real-life example of an exothermic reaction?

Mathematics
1 answer:
77julia77 [94]2 years ago
4 0

Answer:

<h3>When an ice cube tray, filled with water is placed in a freezer, it slowly loses heat and start to cool down to become ice cubes. Changing of water into an ice cube is an exothermic reaction. Snow formation in clouds is also an exothermic reaction. Clouds come into existence from condensation of water vapor.</h3>
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In football, a field goal counts 3 points and extra points after touchdowns count as 1 point. A
juin [17]

Answer:

he makes 14 field goals and 7 extra point kicks

Step-by-step explanation:

  1. f=#of field goals
  2. e=extra kick points
  3. f+e=21
  4. 3f+1e=49
  5. subtract top from bottom
  6. 2f=28
  7. f=14
5 0
3 years ago
How do you answer this and please show work if you solve?
nikklg [1K]
To solve this, simply switch the X and y variables within one equation, and upon doing so, see and check if it equals to the other equation.

f(X) = -X + 4/5
Y = -X + 4/5
X = (-Y+4)/5
5X = -Y + 4
-Y = 5X - 4
Y = -5x + 4

Yes, by looking at the second equation it is an inverse of the first one.
7 0
3 years ago
Whats the answer for 2x + 1 + 7x ?
lesya692 [45]

Answer:

9x+1

Step-by-step explanation:

combine 2x+7x then add the 1

6 0
3 years ago
Read 2 more answers
Bryant went for a bicycle ride. The clock shows when he started and when he finished. How long did it take for Bryant to ride hi
enyata [817]
Could you include the clock plz
7 0
3 years ago
Choose the function whose graph is given by:
wolverine [178]

<em>Greetings from Brasil...</em>

In a trigonometric function

F(X) = ±UD ± A.COS(Px + LR)

UD - move the graph to Up or Down (+ = up | - = down)

A - amplitude

P - period (period = 2π/P)

LR - move the graph to Left or Right (+ = left | - = right)

So:

A) F(X) = COS(X + 1)

standard cosine graph with 1 unit shift to the left

B) F(X) = COS(X) - 1 = -1 + COS(X)

standard cosine graph with 1 unit down

C) F(X) = COS(X - 1)

standard cosine graph with shift 1 unit to the right

D) F(X) = SEN(X - 1)

standard Sine graph with shift 1 unit to the right

Observing the graph we notice the sine function shifted 1 unit to the right, then

<h3>Option D</h3>

<em>(cosine star the curve in X and Y = zero. sine start the curve in Y = 1)</em>

7 0
3 years ago
Read 2 more answers
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