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yan [13]
3 years ago
11

What is the slope of the line given by the equation 2x+3y=6

Mathematics
1 answer:
expeople1 [14]3 years ago
6 0

Step-by-step explanation:

Rearrange the terms by writing

3y = -2x + 6 ---> y = (-2/3)x + 2

The slope of this equation is m = -2/3

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A bookstore costs $90 a day to keep open, and spends $12 for each book it sells. the store charges $18 for each book it sells. I
denpristay [2]
Total Cost in a day is TC= 90 + 12n. Profit function is P=18n. And the revenue function is R = P-TC = 18n-12n-90 = 6n-90. In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit. 
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3 years ago
Read 2 more answers
Write the opposite of – 1/2 explain.
mrs_skeptik [129]
The opposite of -1/2 is 1/2. If you put -1/2 in absolute value, then the answer is 1/2.
8 0
3 years ago
When Hailey commutes to work, the amount of time it takes her to arrive is normally distributed with a mean of 21 minutes and a
miskamm [114]

Answer: 135 days

Step-by-step explanation:

Since the amount of time it takes her to arrive is normally distributed, then according to the central limit theorem,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 21 minutes

σ = 3.5 minutes

the probability that her commute would be between 19 and 26 minutes is expressed as

P(19 ≤ x ≤ 26)

For (19 ≤ x),

z = (19 - 21)/3.5 = - 0.57

Looking at the normal distribution table, the probability corresponding to the z score is 0.28

For (x ≤ 26),

z = (26 - 21)/3.5 = 1.43

Looking at the normal distribution table, the probability corresponding to the z score is 0.92

Therefore,

P(19 ≤ x ≤ 26) = 0.92 - 28 = 0.64

The number of times that her commute would be between 19 and 26 minutes is

0.64 × 211 = 135 days

8 0
3 years ago
What 2 consecutive whole number does 33 lie between
Misha Larkins [42]
32 and 34? I'm sure that's what the questing is asking. Hopefully that helped. Someone correct me if I'm wrong.
7 0
3 years ago
Which of the following is another way to show the ratio 13 to 27?
Alisiya [41]
Another ratio of 13:27 is to write it as a fraction. This is to mean;
\frac{13}{27}
7 0
3 years ago
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