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cestrela7 [59]
3 years ago
15

Use the graphing calculator to locate the solutions of this system of equations: y = x2 + x – 2 y = –x + 1

Mathematics
2 answers:
bonufazy [111]3 years ago
5 0

Answer:

(–3, 4) and (1,0)

Step-by-step explanation:

Naya [18.7K]3 years ago
3 0

Answer:

(-3,4) and (1,0)

Step-by-step explanation:

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I hope this helps you

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Two different factories both produce a certain automobile part. The probability that a component from the first factory is defec
Ulleksa [173]

Answer:

a. 55.56%

b. 44.44%

c. 3.33%

d. 33.33%

Step-by-step explanation:

total supply =  180

a. In the first factory the total number obtained = 100

probability that the chosen part is from the first

= 100/180

= 0.5556

= 55.56%

b. In the second factory total = 80

probability that the chosen part is from the second

= 80/180

= 0.4444

= 44.44%

c. probability that part chosen at random from 180 is defective

= 2% * 0.5556 + 5% * 0.4444

= 0.02*0.5556 + 0.05*0.4444

=  0.011112 + 0.0222

= 0.03331

= 3.33%

d. probability it came rom the first factory if it is defective

\frac{0.02*0.5556}{0.02*0.5556+0.05*0.4444}

= \frac{0.011112}{0.011112+0.0222}

= \frac{0.011112}{0.033312}

= 0.33357

= 33.33%

5 0
3 years ago
Find the length of side a. <br><br> A. 4 <br><br> B. 2<br><br> C. 34<br><br> D. 16
Dmitriy789 [7]

Answer:

Side A is 4

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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Answer:

Step-by-step explanation:

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1/3×3.142×4×4×6

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V=3.142×4×4×6

V=301.63 units cube

6 0
3 years ago
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Answer:

A standard deck of cards has 52 cards.

probability of king is 4/52 and probability of a queen is 4/52

so if you do 4/52 + 4/52 = 8/52

8/52 in simplest form is 2/13

Step-by-step explanation:

Hope this helps Have a nice day

5 0
3 years ago
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