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Pavlova-9 [17]
3 years ago
8

Which equation best describes the pattern in the table below?

Mathematics
1 answer:
cupoosta [38]3 years ago
7 0

Answer:

A

Step-by-step explanation:

The pattern in the table adds 1.50 for ever 15 minutes. That means per minute it adds \frac{1.5}{15} =0.10 or 10 cents. This means you multiply each minute by 0.10 to find the cost. This is the equation c = 0.10m.

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True or false? If you took a true "if-then" statement and reversed the clauses, the new statement would also be true.
Hatshy [7]
Reversing the clauses of an "if-then" statement only sometimes makes the new statement true, so it isn't true or false. For example, reversing the clauses of "if 1=x, then x=1" makes the new statement true, but reversing the clauses of "if x=2, then |x|=2" doesn't.
8 0
3 years ago
On the average, a grocer sells three of a certain article per week. How many of these should he have in stock so that the chance
olga2289 [7]

Answer:

7

Step-by-step explanation:

This is a Poisson distribution problem with the formula;

P(x;μ) = (e^(-μ)) × (μ^(x))/x!

We are told that the grocer sells three of a certain article per week. Thus;

μ = 3

Now, we want to find out How many of these should he have in stock so that the chance of his running out within a week is less than 0.01.

This means;

P(X > k) < 0.01

This can be rewritten as;

P(X ≤ k) < 0.99

Let's try x = 8

P(8;3) = (e^(-3)) × (3^(8))/8!

P(8;3) = 0.008

But; P(X ≤ 8) = 1 - 0.008 = 0.992

This is more than 0.99 and thus is not the answer

Let's try x = 7

P(7;3) = (e^(-3)) × (3^(7))/7!

P(7;3) = 0.022

But; P(X ≤ 7) = 1 - 0.022 = 0.978

Thus is less than 0.99.

Thus, stock should be 7

5 0
2 years ago
What is the equation of the line in slope intercept form? if its in points (-2 , 8) (1 , 2) A. -2x-y=-4 B. y=2x-4 C. 2x+y=4 D. y
LekaFEV [45]
The answer is y=-2x+4. The y-intercept is (0,4) and the slope is -2.
6 0
3 years ago
Question: what should you do first to graph the equation? graph the equation.
Sliva [168]

Answer:

Plot a point at the y-intercept.

In your case, you will need to plot 2 (y-intercept) on the graph first.

7 0
3 years ago
RSM HOMEWORK HELP!!!! PLEASE ANSWER ASAP!! I WILL GIVE BRAINLIEST!
vovikov84 [41]

Answer:

106.67%

Step-by-step explanation:

85% as a fraction is 4/5

25% as a fraction is 3/4

<h2>\frac{4}{5}/\frac{3}{4}=\frac{16}{15}</h2>

Convert 16/15 to a decimal: 1.067

Multiply: 1.067 · 100= 106.67%

Hope this is right! Also, hope this helped.

5 0
3 years ago
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