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zalisa [80]
3 years ago
11

Solve 4x^2-16x-84 by factoring, completing the square and, by quadratic formula(show work)

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0
The answer is in the picture

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Who Smokes More: Male Students or Female Students? Information on a sample of 362 college students is collected. The complete da
KatRina [158]

Answer:

difference in the proportion = 0.0452

Step-by-step explanation:

x1 = 27, n1 = 193,

p1 = 27/193

p1 = 0.1399

x2 = 16, n2 = 169,

p2 = 16/169

p2 = 0.0947

a) The best estimate for the difference in the proportion of smokers, using male proportion minus female proportion is 0.0452. Male smokes more than females in given sample.

p1 - p2 = 0.1399 - 0.0947

p1 - p2 = 0.0452

7 0
3 years ago
Two bottles of soft drink can be serve 8 people.How many bottles of soft drink will be be needed to serve 40
riadik2000 [5.3K]

Answer: 10 bottles

Step-by-step explanation: 8 x 5 = 40. 2 x 5 = 10

4 0
3 years ago
Jada rode her bike at a constant speed for 3 hours. During that time, she traveled 7.2 miles. What was Jada's riding speed?
NeTakaya

Answer: 2.4 miles per hour

Step-by-step explanation: just do 7.2/3=2.4

or another way you could do this is do 2.4 x 3=7.2

3 0
2 years ago
Quiz
Leto [7]

Answer:

1.  50⁴ + 2³ =6250008

2.  3³ x 4²= 432

Step-by-step explanation:

I just put it into the desmos scientific calculator. If your teacher lets you, it is a good calculator.

3 0
3 years ago
Plz help me im timed i need help​
Fittoniya [83]

Answer:

Step-by-step explanation:

Its x= 30

8 0
3 years ago
Read 2 more answers
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