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lapo4ka [179]
3 years ago
15

Can someone please help me , I really need it

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0
((1/3 + 1)/(3))/(4)
((1/3 + 1)/(3))/(4) = (1/3 + 1)/(3×4):
(1/3 + 1)/(3×4)
Put 1 + 1/3 over the common denominator 3. 1 + 1/3 = 3/3 + 1/3:
(3/3 + 1/3)/(3×4)
3/3 + 1/3 = (3 + 1)/3:
((3 + 1)/3)/(3×4)
3 + 1 = 4:
(4/3)/(3×4)
4/(3×3×4) = 4/(3×4×3):
4/(3×4×3)
4/(3×4×3) = 4/4×1/(3×3) = 1/(3×3):
1/(3×3)
3×3 = 9:
Answer:  1/9 gallons of yellow paint

((1/4 + 1)/(4))/(3)
Put 1 + 1/4 over the common denominator 4. 1 + 1/4 = 4/4 + 1/4:
((4/4 + 1/4)/(4))/(3)
4/4 + 1/4 = (4 + 1)/4:
(((4 + 1)/4)/(4))/(3)
4 + 1 = 5:
((5/4)/4)/3
4×4 = 16:
5/(16×3)
16×3 = 48:
Answer:  5/48  Gallons of green paint

(7/3×1/4)/8
(7/3×1/4)/8 = 7/(3×4×8):
7/(3×4×8)
3×4 = 12:
7/(12×8)
12×8 = 96:
<span>Answer:  7/96 Gallons of blue paint

Combine:

1/9 + 5/48 + 7/96
Put 1/9 + 5/48 + 7/96 over the common denominator 288. 1/9 + 5/48 + 7/96 = 32/288 + (6×5)/288 + (3×7)/288:
32/288 + (6×5)/288 + (3×7)/288
6×5 = 30:
32/288 + 30/288 + (3×7)/288
3×7 = 21:
32/288 + 30/288 + 21/288
32/288 + 30/288 + 21/288 = (32 + 30 + 21)/288:
(32 + 30 + 21)/288
 | 3 | 2
 | 3 | 0
+ | 2 | 1
 | 8 | 3:<span>Answer:  83/288  or </span><span>0.2881944... </span>Gallons are left over</span>

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Answer:

+49 feet

Step-by-step explanation:

The inicial position that Suzie started her hike was 220 feet below sea level, so as this inicial position was negative, let's use the negative sign for it:

Inicial position = -220 feet

The final position of the hike was 171 feet below sea level, so:

Final position = -171 feet

So we calculate the change in elevation from the beginning to the end of the hike by making the difference between the final position and the inicial position:

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The change in elevation was +49 feet (the positive sign indicates that the movement was upwards, in direction to "above sea level")

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3 years ago
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Answer:

Mean: 0.400

Standard error: 0.022

Step-by-step explanation:

We are taking samples of size n=500 out of a population with parameter p=0.40.

The expected distribution is the sampling distribution of sampled proportions. This distribution has parameters that are calculated as:

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Complete the recursive formula of the geometric sequence -0.6.3, -15, 75, ....
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4 years ago
Seven ping-pong balls numbered 1-7 are put in a hat. Three balls are chosen without replacement. What is the probability that al
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