3 years ago

Write an equation of the line in point slop form that passes through the two given points

Mathematics

1 answer:

Alecsey [184]3 years ago

3 0

M=-2 is the slope it passes through

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A teacher writes the name of each of her 25 students on a slip of paper and places the papers in a box. To call on a student, sh

Gre4nikov [31]

Answer:

0.56

Step-by-step explanation:

There are 14 girls, and a total of 25 students. So the probability of selecting a girl is P = 14/25 = 0.56.

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3 years ago

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The length of a rectangular flower garden is 9 feet and it’s width is 5 feet how many feet of fencing will be needed

Tju [1.3M]

Use the simple perimeter formula.
P = 2L + 2W
P = 2(9) + 2(5)
P = 19 + 10
P = 29ft

Therefore 29ft of fencing will be needed.

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3 years ago

Suppose that the number of bacteria in a certain population increases according to an exponential growth model. A sample of 2600

melisa1 [442]

Answer: There is 3.994% continuous growth rate per hour.

Step-by-step explanation:

Since we have given that

Initial bacteria = 2600

After two and a half hours,

Number of bacteria = 2873

We need to find the continuous growth rate per hour.

As we know the equation for continuous growth rate per hour.

$y=y_0e^{rt}\\\\2873=2600e^{2.5r}\\\\\dfrac{2873}{2600}=e^{2.5r}\\\\1.105=e^{2.5r}\\\\\text{Taking log on both the sides}\\\\\ln 1.105=2.5r\\\\0.0998=2.5r\\\\r=\dfac{0.0998}{2.5}\\\\r=0.0399\times 100\\\\r=3.994\%$

Hence, there is 3.994% continuous growth rate per hour.

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3 years ago

Use distributive property to simplify (0.32x+5.3)+(0.5x+5.6)+(0.03x+0.2)

Serhud [2]

the answer is

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40 points help please

JulsSmile [24]

Answer:

y+x is greater than or equal to -1

Step-by-step explanation:

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