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zhannawk [14.2K]
3 years ago
13

Write an equation in slope-intercept form for the line with y-intercept −5 and slope −2/5

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

Answer:

\large\boxed{y=-\dfrac{2}{5}x-5}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

<em />

We have

m=-\dfrac{2}{5},\ b=-5

Substitute:

y=-\dfrac{2}{5}x+(-5)}=-\dfrac{2}{5}x-5

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A map has a scale of 1 cm to 20km. Rewrite the scale as a ration in its simplest form.
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Answer:

1 : 2000000

Step-by-step explanation:

we have to convert 20km into cm so

20km×100000

=2000000

So ratio is 1:2000000

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2 years ago
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A carpenter worked for 4 days to finish a repair job. She charged $825 for 15 hours plus $278 for materials. What is the carpent
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29. A carpenter worked for 4 days to finish a repair job. She charged $825 for 15 hours plus $278 for materials. What is the carpenter's rate per hour? Let’s start solving: => 825 dollars + 278 dollars = 1 103 dollars is the total payment a carpenter have received => 15 hours is the total hours he worked => 1 103 / 15 = 73.5 dollars per hour. This is already including the material or equipment fee.
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The population of a town in 2000 was 430. The population is increasing at a rate of 0.9% every year. What will be the projected
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Answer:

1018.

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8 0
3 years ago
Find the domain of the function (f/g)(x) where f(x)=√x+1, g(x)=√x-9
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4x + 9. Given f(x) = 2x + 3 and g(x) = –x2 + 5, find (g o g)(x). (g o g)(x) = g(g(x)) ... Given f (x) = sqrt(x) and g(x) = x – 2, find the domains of ( f o g)(x) and (g o f )(x). Since f (x) involves a square root, the inputs have to be non-negative. ... Given h(x) = (x + 1)2 + 2(x + 1) – 3, determine two functions f (x) and g(x

Step-by-step explanation:

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4 years ago
Convert 15/9 to a decimal. A. 1.64 B. 1.67 C. 1.66 D, 1.69
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