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jeka94
3 years ago
13

Please help me why - 9/5-1=-14/5​

Mathematics
2 answers:
babymother [125]3 years ago
8 0

Step-by-step explanation:

Two negatives make a positive.

So, if it was negatives, it would make an addition between 9 and 5 which makes 14.

Jobisdone [24]3 years ago
6 0

Answer:

Step-by-step explanation:

Because you have to take the L.C.M ,

-9/5 - 1

=( -9-5)/5

= -14/5

please  

Brain-list it or support me at my U-Tube channel " ZK SOFT&GAMING " I will be thankful

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The monthly worldwide average number of airplane crashes of commercial airlines is 3.5. What is the probabil- ity that there wil
Levart [38]

Answer:

Step-by-step explanation:

We would apply the formula for poisson distribution which is expressed as

P(x = r) = (e^- µ × µ^r)/r!

Where

µ represents the mean of the theoretical distribution.

r represents the number of successes of the event.

From the information given,

µ = 3.5

a)

For the probability that there will be at least 2 such accidents in the next month, it is expressed as

P(x ≥ 2) = 1 - P(x < 2)

P(x < 2) = P(x = 0) + P(x = 1)

Therefore,

P(x = 0) = (e^- 3.5 × 3.5^0)/0!

P(x = 0) = (e^- 3.5 × 1)/1

P(x = 0) = 0.03

P(x = 1) = (e^- 3.5 × 3.5^1)/1!

P(x = 1) = (e^- 3.5 × 3.5)/1

P(x = 1) = 0.11

P(x < 2) = P(x = 0) + P(x = 1) = 0.03 + 0.11 = 0.14

P(x ≥ 2) = 1 - 0.14 = 0.86

b)

For the probability that there will be at most 1 accident in the next month, it is expressed as

P(x ≤ 1) = P(x = 0) + P(x = 1)

P(x = 0) = 0.03

P(x = 1) = 0.11

P(x ≤ 1) = 0.03 + 0.11 = 0.14

3 0
3 years ago
The ratio of length to weight in Gus's driveway is 13 yards to 4yardd. What is this ratio in feet?
artcher [175]
(13/4)*3 = 39/4 ft
I believe that's the answer
5 0
3 years ago
B. If Café Mocha charges $1.98 for each cup of coffee, how
dimaraw [331]

Answer:

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2 years ago
Which pair of statements describes the end behavior of the graph of the function f(x) = x3 + 2x2 − 5x − 6?
notka56 [123]

A function assigns the values. The correct option is D.

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.


The complete question is:

Which pair of statements describe the end behavior of the graph of the function f(x) = x³ + 2x² − 5x − 6?

A.) As x approaches negative infinity, f(x) approaches infinity. As x approaches infinity, f(x) approaches infinity.

B.) As x approaches negative infinity, f(x) approaches infinity. As x approaches infinity, f(x) approaches negative infinity.

C.) As x approaches negative infinity, f(x) approaches negative infinity. As x approaches infinity, f(x) approaches negative infinity.

D.) As x approaches negative infinity, f(x) approaches negative infinity. As x approaches infinity, f(x) approaches infinity.

If we draw the graph of the given function f(x) = x³ + 2x² − 5x − 6, then it can be observed that as x approaches -∞, f(x) approaches -∞. As x approaches ∞, f(x) approaches infinity.

Hence, the correct option is D.

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3 0
2 years ago
Solve for c: 2/3 c=d
Marizza181 [45]
 2/3 c = d
multiply both sides by 3/2:-

c = (3/2) d
8 0
3 years ago
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