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viktelen [127]
2 years ago
14

Find the value of a² + b² , when a+ b = 8 and ab = 12

Mathematics
2 answers:
mezya [45]2 years ago
4 0

Answer:

Step-by-step explanation:

6+2=8

6*2=12

6^{2} +2^{2}= 36+4=40

nadezda [96]2 years ago
3 0

Answer:

Here,

<h3>a2 +b2=(a+b)</h3><h3>a {}^{2}  + b {}^{2}  = (a + b) {}^{2}  - 2abso, </h3>

(8) {}^{2}  - 2 \times 12

64 - 2 \times 12

40

Step-by-step explanation:

So,

Therefore,

a {}^{2}  + b {}^{2}  = 40

I'm not sure if this is correct or not, but this the way I learned..

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$1500 at 9% for 2 years
kotykmax [81]

Answer:$270

Step-by-step explanation:

I=PRT

Interest=principal times rate times time

Principal=1500

Rate=9%=0.09

Time=2

I=1500 times 0.09 times 2

I=1500 times 0.18

I=270

Interest=270

Total is 1500+270=1770 total paid

8 0
3 years ago
Please answer this question, I will mark brainlest
adoni [48]

Answer:

B: 12

Step-by-step explanation:

length of one side =150

length of one path =12.5

Number of patches= 150 / 12.5

Number of patches = 12

hope it helps

please mark me as brainliest

5 0
2 years ago
Read 2 more answers
A baseball team won 8 games and lost 6. If the team continues at this ratio, how many wins will the team have after playing 21 g
DIA [1.3K]

Answer:

12 wins and 9 losses.

Step-by-step explanation:

Because they are winning 57.14% of there games so if 8 out of 14=57.14% then that means if they would have still one at the exact pace then.

12 wins out of 21 would mean they would have one 57.14% of there games.

Hope this helps have a great afternoon:)

4 0
2 years ago
You MIGHT have the author been addressing when writing this?
solmaris [256]

Answer:

its b lol

Step-by-step explanation:

6 0
3 years ago
If f(x)=3x^2-4x+9, find the f(2)​
kipiarov [429]

Answer:

13

Step-by-step explanation:

3(2)(2) -4(2)+9

12 -8 +9= 13

6 0
2 years ago
Read 2 more answers
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