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bija089 [108]
3 years ago
5

How fo you solve this equation? 3 3/4 × 9 3/5=

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Answer:

36

Step-by-step explanation:

after converting the mixed numbers to fractions, our initial equation becomes,

15/4 x 48/5

Applying the fractions formula for multiplication,

15 x 48 and 4 x 5 = 720/20

Simplifying 720/20, the answer is 36

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Boxes of raisins are labled as containing 22 ounces. Following are the weights, in the ounces, of a sample of 12 boxes. It is re
kati45 [8]

Answer:

The 99 % confidence interval on the basis of mean is ( 21.7393  ;   22.0257)

Step-by-step explanation:

Mean = Sum of observations / Number of observations

Mean = 21.88 +21.76 +22.14 +21.63+ 21.81 +22.12+ 21.97+ 21.57+ 21.75+ 21.96 +22.20 +21.80/ 12

Mean =x`= 262.59/12=  21.8825

Standard Deviation = s= ∑x²/n - ( ∑x/n)²

∑x²/n= 478.7344 +473.4976 + 490.1796+467.8569+ 475.6761 + 489.2944+ 482.6809+ 465.2649+ 473.0625+ 482.2416 +492.84 + 475.24/ 12

∑x²/n= 5746.5689/12= 478.8807 = 478.881

Standard Deviation = s= ∑x²/n - ( ∑x/n)²

s= 478.881- (21.8825)²= 478.881-478.843= 0.037

The confidence limit 99% for the mean will be determined by

x` ± α(100-1) √s/n

Putting the values in the above equation

= 21.8825 ± 2.58 √0.037/12

Solving the square root

= 21.8825 ± 2.58 (0.05549)

Multiplying the square root with 2.58

=21.8825 ± 0.1432

Adding and subtracting would give

21.7393  ;   22.0257,

Hence the 99 % confidence interval on the basis of mean is ( 21.7393  ;   22.0257)

5 0
3 years ago
Find the area of the parallelogram.
Ivenika [448]

Answer:

132 cm

Step-by-step explanation:

22x6=132

7 0
3 years ago
What is 286 over 465 in simplest form?
Sholpan [36]
\frac{286}{465
}
7 0
3 years ago
Im going to start giving hard questions now and who ever has the most professional answer or the correct answer gets brainliest.
PilotLPTM [1.2K]

Answer:

1. she has 30 ounces left

2. 4 left

3.8

Step-by-step explanation:

sorry cant do the rest :)

7 0
2 years ago
Write the expression in radical form.
Effectus [21]
I think it would be B
6 0
3 years ago
Read 2 more answers
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