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Ostrovityanka [42]
3 years ago
9

Find the equation of the line. Use exact numbers.

Mathematics
1 answer:
damaskus [11]3 years ago
8 0

Answer: y=4x-9

Step-by-step explanation:

y=mx+b

I know b is -9 because there's where the line crosses the y intersection.

y=mx-9

To find ''m'', we can use 2 different methods. I'm going to use one that follows a formula. First, locate two points in the graph.

(0,-9);(3,3)

m=\frac{y_2-y_1}{x_2-x_1}\\ m=\frac{3-(-9)}{3-0}\\ m=\frac{3+9}{3}\\ m=\frac{12}{3}\\ m=4

y=4x-9

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4 Amanda's bedroom is a rectangle 415 cm long by 295 cm wide.
4vir4ik [10]

Answer:

1) 12.2425 square meters

2)$288

Step-by-step explanation:

According to the problem, we have a rectangle bedroom with 415cm long by 295cm width.

We know that 1cm = 0.01 m

Length of bedroom: 415 x 0.01 = 4.15m

of bedroom: 295 x 0.01 = 2.95m

area of rectangle: Length x Width

Area: 4.15 x 2.95 = 12.2425 square meters

We have a cost of carpet 24 per square meter is given from the problem.

we now know that it is in a whole number so we divide by 2 to get it square

A= 12m (squared)

now we multiply 12 and 24

we get $288

<em><u>Please mark as brainliest if answer is right </u></em>

Have a great day, be safe and healthy  

Thank u  

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4 0
3 years ago
Kara's playlist has three songs: • "Each Day" (3 minutes) • "Best Friends" (3 minutes) • "This Weekend" (2 minutes) How many tim
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
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There are 4grams of fiber in 1/2 cup of oats. how many grams of fiber are in 3 1/2 cuña of oats​
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Answer:

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Step-by-step explanation:

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Please help, marking brainliest for the best (and correct) answer
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Step-by-step explanation:

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