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juin [17]
3 years ago
6

(5.2+3.1)+7.4=5.2+(3.1+7.4)

Mathematics
1 answer:
Anestetic [448]3 years ago
3 0

Step-by-step explanation:

(5.2+3.1)+7.4=5.2+(3.1+7.4)

(8.3)+7.4=5.2+(10.5)

15.7=15.7

hence,L.H.S =R.H.S PROVED

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Answer ASAP
LiRa [457]

Answer:

x = 15°

Step-by-step explanation:

Complementary angles are two angles whose sum = 90°

∠A + ∠B = 90°

3x + 45 = 90

3x = 45

x = 45/3

x = 15°

8 0
2 years ago
​ A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade
forsale [732]

Answer:

B) μD = 0.60 ± 0.10(1.397)

Step-by-step explanation:

The confidence interval is given by:

MD±t_{\alpha/2, n-1} \frac{s}{\sqrt{n} }

Where

MD=60

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df=n-1=8

t_{\alpha/2, n-1}=1.397

s=\sqrt{0.09} =0.3

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μD=0.60±1.397*(0.3/√9)

μD=0.60±0.10*(1.397)

6 0
3 years ago
2% of 0.00003 equals?
kakasveta [241]

Answer:

6e-7? i used a percentage calculator and this is what it gave me  so im not entirely sure

Step-by-step explanation:

3 0
3 years ago
Answer for 6x-31=11x+64
PIT_PIT [208]
6x - 31 = 11x + 64
6x cancels out and you take 6x away from 11x
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64 cancels out and you take 64 away from -31
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Divide both sides by 5
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6 0
3 years ago
How many times does 0.5 go into 10.80?
barxatty [35]

Answer:

21.6

Step-by-step explanation:

10.80/0.5=21.6

5 0
3 years ago
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