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makkiz [27]
3 years ago
13

VERY EASY ANSWER Help

Mathematics
2 answers:
forsale [732]3 years ago
5 0

Answer:first is d

Step-by-step explanation:

Fittoniya [83]3 years ago
4 0

Answer:

The first one:

d) a = 1, b = 2, and c = 3.

The second one:

a) a = 1, b = 5, c = 9.

The third one:

d) a = 4, b = 6, c = 5.

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Which equation represents the line that passes through the points (-3, 7) and (9,-1)? oy--3x+5 o y=-x-7 o y=zx-7 oy - 12 2x+5​
olchik [2.2K]

Answer:

The answer is

<h2>y =  -  \frac{2}{3} x + 5</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation we must first find the slope of the line.

So the slope of the line using points (-3, 7) and (9,-1) is

<h3>m =  \frac{ - 1 - 7}{9 + 3}  =  -  \frac{8}{12}  =  -  \frac{2}{3}</h3>

Now we use the formula

<h3>y - y1 = m(x - x1)</h3>

where

m is the slope

( x1 , y1) is any of the points given

So the equation of the line using point

( - 3 , 7) and slope - 2/3 is

<h3>y - 7 =  -  \frac{2}{3} (x + 3) \\ y - 7 =  -  \frac{2}{3} x - 2 \\ y =  -  \frac{2}{3} x - 2 + 7</h3>

We have the final answer as

<h3>y =  -  \frac{2}{3} x + 5</h3>

Hope this helps you

5 0
2 years ago
Read 2 more answers
Bob drove from home to work at 75 mph.After work the traffic was heavier,and he drove home at 40 mph.His driving time to and fro
Ilya [14]

Answer:

Bob drove from home to work at 75 mph. After work the traffic was heavier, and he drove home at 40 mph. His driving time to and from work was 1 hour and 9 minutes. How far does he live from his job?

=================

Avg speed for the round trip = 2*75*40/(75+40) = 6000/115 = 1200/23 mi/hr

RT distance = 1200/23 * 69 minutes * 1 hr/60 mins =

= 60 miles

30 miles each way

Step-by-step explanation:

4 0
3 years ago
PLEASE PLEASE HELP PLEASEEEEEEEEEEEEEEE
denis-greek [22]
X is greater than 4
3 0
3 years ago
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Michael breeds chickens and ducks.
Paladinen [302]
4 and a half ducks.
That's pretty much the answer.
8 0
3 years ago
Read 2 more answers
Plllllllllllease heeeeelp
Musya8 [376]

Answer:

SA = 967.6 cm²

Step-by-step explanation:

Surface Area of cylinder = 2\pi r h + 2\pi r^2

<u><em>Where r = 7 cm, h = 15 cm</em></u>

=> SA = 2(3.14)(7)(15)+2(3.14)(7)²

=> SA = 659.7 + 2(3.14)(49)

=> SA = 659.7 + 307.9

=> SA = 967.6 cm²

6 0
3 years ago
Read 2 more answers
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