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Aloiza [94]
3 years ago
13

When do I use elimination and when do I use substitution?

Mathematics
1 answer:
lana [24]3 years ago
6 0
Elimination is used when there is a common factor between the two equations. Substitution is used in cases where finding a common term just isn’t possible, or too complicated.
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Kyle starts a fundraiser with 43 pennies he recruits all of the player on his baseball team to participate. His goal is to tripl
guapka [62]

Answer:

I know this is late but hopefully this helps someone reading this in the future. the answer is y = 43(3)^x

Step-by-step explanation:

If kyle starts out with with 43, and the amount triples everyday, it would be 3 to the power of x (how many days there are), which would make that the equation. Sorry, if this explanation makes no sense.

7 0
3 years ago
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10(y-8)=8 what is y please help
Feliz [49]

Answer:

okay i dont have a answer but use Math-way its awsome! just type the queation it will give u a answer!

8 0
3 years ago
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True or face dilations preserve angle measure
Ilia_Sergeevich [38]

Answer:

True

Step-by-step explanation:

Required

Does dilation preserve angle measure?

When a point, side, line, or angle is dilated; the length of the line will be altered by the ratio or scale of dilation.

However, the measure of angle will remain the same.

<em>Hence, the given statement is true.</em>

6 0
3 years ago
A car is traveling at a speed of 108 kilometers per hour. What is the cars speed in kilometers per minute? How many kilometers w
cluponka [151]

The distance travelled by the car will be 3.6km in 2 minutes.

<u>Explanation:</u>

Given:

Speed, s = 108 km/hr

s in km/min = ?

1 hr = 60 min

So,

108 km/hr = \frac{108}{60} km/min

                 = 1.8 km/min

time, t = 2 min

Distance, d = ?

We know:

distance = speed X time

d = 1.8 X 2\\\\d = 3.6km

Therefore, the distance travelled by the car will be 3.6km in 2 minutes.

6 0
3 years ago
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PLEASE HELP
ruslelena [56]

Answer:

1. 28

2. b = 7.06

2. c = 3.76

Step-by-step explanation:

1. m < C = 90 - B = 90 - 62 = 28 degrees

2. sin B = opposite/hypotenuse

   sin (62o) = b/8

   b = 8 x sin (62o) = 8 x 0.883 = 7.06

3. sin C = opposite/hypotenuse

   sin (28o) = c/8

   c = 8 x sin (28o) = 8 x 0.4695 = 3.76

8 0
2 years ago
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