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Angelina_Jolie [31]
3 years ago
8

Write the equation of the line,in slope-intercept form, that has a slope of -2 and goes through the point (1,1)

Mathematics
1 answer:
kirza4 [7]3 years ago
8 0

Answer:

The equation of the line would be y = -2x + 3

Step-by-step explanation:

In order to find the equation of the line, start by using point-slope form with the known information.

y - y1 = m(x -x1)

y - 1 = -2(x - 1)

Now that we have this, solve for y.

y - 1 = -2x + 2

y = -2x + 3

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Which phrases can be used to represent the inequality 6.5x+1.5<21? Select two options.
guapka [62]

Answer:

Phrases 2 and 4.

Step-by-step explanation:

6.5x+1.5<21

The sum of 1.5 and the product of 6.5 and a number is no greater than 21.

The product of 6.5 and a number, when increased by 1.5 is at most 21.

HOPE IT HELPS

(FROM CROSS)

6 0
3 years ago
At winds speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. Wind speeds below 100
alisha [4.7K]

Answer:

Lower limit = 1007.95 cm/s

Upper limit = 1142.05 cm/s

Step-by-step explanation:

We have to calculate a 95% CI with population's standard deviation known.

The sample is size n=60, with mean M=1075.

The confidence interval can be expressed as:

M-z*\sigma/\sqrt{n} \leq\mu\leq M+z*\sigma/\sqrt{n}

For a 95% CI, the value of z=1.96.

1075-1.96*265/\sqrt{60} \leq\mu\leq 1075+1.96*265/\sqrt{60} \\\\1075-67.05 \leq\mu\leq 1075+67.05\\\\ 1007.95 \leq\mu\leq 1142.05

8 0
3 years ago
I don’t get none of this work so help me please
kupik [55]

yeah. I can't see none of you work so help ME please.

4 0
3 years ago
What is equivalent to 9^x=27
erma4kov [3.2K]
If you meant to solve for x...

9^x=27 \\&#10;(3^2)^x=3^3\\&#10;3^{2x}=3^3\\&#10;2x=3\\&#10;x=\dfrac{3}{2}
8 0
3 years ago
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nika2105 [10]
1. Over a period of 6 years (from 1980 to 1986) the house gained a value of 12000 dollars (109k-97k). 12000/6 gives you a rate of 2000 dollars per year. Because the initial price at t=0 is 97000, the function is 97000+2000t
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3 years ago
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