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Natasha_Volkova [10]
3 years ago
8

B²+4 when b =-4..........

Mathematics
2 answers:
zalisa [80]3 years ago
8 0

Answer:

20

Step-by-step explanation:

-4 x -4 = 16

16 + 4 = 20

Hope this helps. Pls give brainliest.

Papessa [141]3 years ago
6 0

Answer:

<h2> You need to explain more</h2>

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Solve each problem<br> -233 minus (-233)<br> 31 minus (-8)<br> -103 minus (-575)
aliya0001 [1]
  • -233 minus (-233)
  • -233 -(-233)
  • -233 + 233
  • 0

  • 31 minus (-8)
  • 31 - (-8)
  • 31 + 8
  • 39

  • -103 - (-575)
  • -103 + 575
  • 472
4 0
2 years ago
A master student is planning to take a qualifying exam in the coming summer. She has three chances. The first one is in June. If
Soloha48 [4]

Answer:

Step-by-step explanation:

Given

P_1=Probability of clearing exam in 1 st attempt=0.5

P_2=Probability of clearing exam in 2 nd attempt=0.7

P_3=Probability of clearing exam in 3 rd attempt=0.8

Probability that she passes the exam=P(1 st\ attempt)+P(1\ fail)\cdot P(2\ pass)+P(1\ fail)\cdot P(2\ fail)\cdot P(3 rd pass)

P=0.5+0.5\times 0.7+0.5\times 0.3\times 0.8=0.97

(b)P(Pass qualification on 2nd try|passes qualification)

P(Pass qualification on 2nd try|passes qualification)=\frac{P(fail\ on\ 1 )\cdot P(pass\ in\ 2nd)}{P(passes)}

P(Pass qualification on 2nd try|passes qualification)=\frac{0.5\times 0.7}{0.97}=0.3608

5 0
3 years ago
. Solve.<br> 2/3 of 3/5 plese help
olasank [31]

Answer:

10/9

Step-by-step explanation:

7 0
3 years ago
Write to fractions between 8/10 and 5/4​
Sever21 [200]

40/40

8x5=40

10x4=40

I really hope this answer helps you out! It makes my day helping people like you and giving back to the community that has helped me through school! If you could do me a favor, if this helped you and this is the very best answer and you understand that all of my answers are legit and top notch. Please mark as brainliest! Thanks and have a awesome day!

4 0
3 years ago
A 7th grade teacher at a local middle school wants to know which
jekas [21]

The answer is Option C) 7th graders in her school.

In order to ascertain the suitability of a candidate for any popular position, his popularity can be assessed by taking a survey of the concerned sample.

7 0
2 years ago
Read 2 more answers
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