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Elena L [17]
3 years ago
8

What is the equation of the line that passes through the point 3,-1 and has a slope of 2

Mathematics
1 answer:
LenaWriter [7]3 years ago
3 0

Answer:

y=2x-7

Step-by-step explanation:

so here's my work

I just plugged stuff in so:

y+1=2(x-3)

y+1=2x-6

y=2x-7

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The 4s in 4,438 are 10 times greater than each other. 
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Multiply (2x–3)(2x+3
MakcuM [25]

Multiply (2x–3)(2x+3)

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<h2><u>4x^2-9</u></h2>
7 0
3 years ago
Erica can run 1/6 of a kilometer her school is 3/4 of a kilometer away from her home at this this speed how long would it take e
shepuryov [24]

Answer:

4 minutes 30 seconds

Step-by-step explanation:

Given:

Erica can run 1/6 of a kilometer in one minute.

Her school is 3/4 of a kilometer away from her home.

Question asked:

How long would it take Erica to run home from school = ?

Solution:

As here distance is  given and also speed is given, we will find time taken to run from home to school by using,

Speed=\frac{Distance}{Time} \\ Time =\frac{Distance}{Speed} \\

         =\frac{3}{4} \div\frac{1}{6} \\\\ =\frac{3}{4} \times\frac{6}{1} \\\\ =\frac{18}{4} \\ \\ =\frac{9}{2} \\ =4.5 \ minutes

Therefore, it takes 4 minutes 30 seconds Erica to run home from school.

5 0
3 years ago
kimos car needed work the mechanic charged him 146.36 for parts plus 48$ per hour for labor if the mechanic worked for 3.5 hours
blagie [28]
$314.36

48•3.5=168

168+146.36=314.36
8 0
3 years ago
A rectangular solid has sides of 6 cm, 8 cm, and 10 cm. What is its surface area
Ipatiy [6.2K]

A=bwh

(6)(8)(10)

=480

480cm^3 is the surface area


5 0
3 years ago
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