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Stells [14]
3 years ago
6

Find the domain of the expression:

Mathematics
2 answers:
WARRIOR [948]3 years ago
8 0

Answer:

2acd^3b^-1

Step-by-step explanation:

About the domain, I don't understand that but i tried to help you.

lisabon 2012 [21]3 years ago
3 0

9514 1404 393

Answer:

  a≠0 and b≠0 and c≠0 and d≠0

Step-by-step explanation:

No denominator is allowed to be zero. 'c' and 'd' are in the denominator of the numerator and denominator terms. 'a' and 'b' are in the numerator of the denominator term, so will make that term zero if they are zero. In short, none of a, b, c, or d may be zero.

__

The fact that the expression simplifies to ...

  2acd^3/b

does not mean that the only restriction is b≠0.

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An amount was shared in the ratio 8:6:9:14:12.The largest share was56.What was the total amount shared?
lutik1710 [3]

Answer:

196

Step-by-step explanation:

Since the largest share was 56 and the largest ratio is 14, then

56 ÷ 14 = 4 ← value of 1 part of the share, thus

8 parts = 8 × 4 = 32

6 parts = 6 × 4 = 24

9 parts = 9 × 4 = 36

14 parts = 14 × 4 = 56

12 parts = 12 × 4 = 48

Total the amounts

total = 32 + 24 + 36 + 56 + 48 = 196

6 0
3 years ago
Which group has the higher mean? By how much? Round to the nearest tenth.
vampirchik [111]
Can I ask how did u make the picture? Plz tell me how
7 0
3 years ago
WILL GIVE BRAINLIEST AND 100 POINTS
ICE Princess25 [194]

Answer:

a) The interval for those who want to go out earlier is between 43.008 and 46.592

b) The interval for those who want to go out later is between 47.9232 and 51.9168

Step-by-step explanation:

Given that:

Sample size (n) =128,

Margin of error (e) = ±4% =

a) The probability of those who wanted to get out earlier (p) = 35% = 0.35

The mean of the distribution (μ) = np = 128 * 0.35 = 44.8

The margin of error = ± 4% of 448 = 0.04 × 44.8 =  ± 1.792

The interval = μ ± e = 44.8 ± 1.792 = (43.008, 46.592)

b) The probability of those who wanted to start school get out later (p) = 39% = 0.39

The mean of the distribution (μ) = np = 128 * 0.39 = 49.92

The margin of error = ± 4% of 448 = 0.04 × 49.92 =  ± 1.9968

The interval = μ ± e = 44.8 ± 1.792 = (47.9232, 51.9168)

The way for those who want to go out earlier to win if the vote is counted is if those who do not have any opinion vote that they want to go earlier

4 0
3 years ago
the price of grapes at the grocery store is 1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest pe
4vir4ik [10]
1 kg = 1pound/0.45=2.2222(2) pounds
1.44*2.222(2)=3.11 dollars per kilogram
Price of grapes is 3.11 dollars per kilogram
6 0
3 years ago
The portions of a house that need to be heated can be modeled by one rectangular prism with a length of 45 feet, a width of 20 f
Rasek [7]
45x20x18=16,200
350x9=3150
total = 19,350
6 0
3 years ago
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