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7nadin3 [17]
2 years ago
14

I will give brainliest if right!!!!!!!!!!!I am pretty sure its the first one

Mathematics
1 answer:
Marina86 [1]2 years ago
6 0

Answer:

A for sure

Step-by-step explanation:

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a cargo ship arrived at Kingston Harbour carrying 403,172 kilograms of flour. All the flour was tranfered to 5 trains and 9 truc
IrinaVladis [17]

Each train carried 64141 kg of flour and each truck carried 9163 kg of flour.

Step-by-step explanation:

Let the no. of kg of flour carried by each train be 'a'

Let the no. of kg of flour carried by each truck be 'b'

Total flour = 403172 kg

No. Of trains = 5

No. of trucks = 9

a = 7(b)

5a + 9b = 403172

5(7b) + 9b = 403172

35b + 9b = 403172

44b = 403172

b = 403172/44

b = 9163

Each truck carried 9163 kg of flour.

a = 7b

a = 7(9163)

a = 64141

Each train carried 64141 kg of flour.

4 0
3 years ago
Plz help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
kiruha [24]

Answer:

R2 = 6.44

T2 = 8.82

Whole = 30.42

Step-by-step explanation:

R1 = 2.8 X 3.1

T1 = (1/2) X (2.4) X (5.4)

R2 = (5.4-3.1) X (2.8)  = 6.44

T2 = (1/2) X (11.7-5.4) X (2.8) = 8.82

Whole = (1/2) X (11.7) X (2.4+2.8) = 30.42

4 0
3 years ago
When referring to the normal probability distribution, there is not just one; there is a "family" of normal probability distribu
pishuonlain [190]
<span>A probability distribution is formed from all possible outcomes of a random process (for a random variable X) and the probability associated with each outcome. Probability distributions may either be discrete (distinct/separate outcomes, such as number of children) or continuous (a continuum of outcomes, such as height). A probability density function is defined such that the likelihood of a value of X between a and b equals the integral (area under the curve) between a and b. This probability is always positive. Further, we know that the area under the curve from negative infinity to positive infinity is one. The normal probability distribution, one of the fundamental continuous distributions of statistics, is actually a family of distributions (an infinite number of distributions with differing means (ÎĽ) and standard deviations (Ď). Because the normal distribution is a continuous distribution, we can not calculate exact probability for an outcome, but instead we calculate a probability for a range of outcomes (for example the probability that a random variable X is greater than 10). The normal distribution is symmetric and centered on the mean (same as the median and mode). While the x-axis ranges from negative infinity to positive infinity, nearly all of the X values fall within +/- three standard deviations of the mean (99.7% of values), while ~68% are within +/-1 standard deviation and ~95% are within +/- two standard deviations. This is often called the three sigma rule or the 68-95-99.7 rule. The normal density function is shown below (this formula won’t be on the diagnostic!)</span>
8 0
2 years ago
Hi, i need help on these. thank you very much [urgent]
stepladder [879]

(4y - 3x) \times (4y + 3x)

( {11a}^{5}  -  {b}^{4} ) \times ( {11a}^{5}  +  {b}^{4} )

7 0
3 years ago
Help With IXL P.10 plz!!!<br> Write you snap/insta down below, if you know how to do this please!!
Misha Larkins [42]

Answer:

idont knowwwwwwwwwwwwwwwwww

Step-by-step explanation:

8 0
2 years ago
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