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Bezzdna [24]
3 years ago
15

A line has a slope -5/3. Through which two points could this line pass.

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0
The answer will be D. Hope it help!
ValentinkaMS [17]3 years ago
3 0
B is the answer for your question
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On the River current a canoe traveled 30 km in 3 hours and 20 min, against the current the canoe traveled 28 km in 4 hours. how
mihalych1998 [28]

Answer:

12 km

Step-by-step explanation:

Let

x km/h = speed of the canoe on the lake

y km/h = speed of the current

<u>With the current:</u>

Speed = x + y km/h

Distance = 30 km

Time = 3 hours 20 minutes = 3\dfrac{1}{3} hours

Thus,

30=3\dfrac{1}{3}(x+y)\\ \\30=\dfrac{10}{3}(x+y)\\ \\90=10(x+y)\\ \\x+y=9

<u>Against the current:</u>

Speed = x - y km/h

Distance = 28 km

Time = 4 hours

Thus,

28=4(x-y)\\ \\x-y=7

Add these two equations:

x+y+x-y=9+7\\ \\2x=16\\ \\x=8\ km/h

<u>On the lake:</u>

Time = 1.5 hours

Speed = 8 km/h

Distance =8\cdot 1.5=12\ km

7 0
3 years ago
Write the equation of the line that is perpendicular to the line 5y=x−5 through the point (-1,0).
Artemon [7]

Hey there!

First, we want to put the equation of this first line in slope-intercept form.

5y=x-5

We divide both sides by 5.

y=1/5x-1.

The slope of a perpendicular is line is the negative reciprocal of the slope of the original line. The slope of a line perpendicular to a line with the equation y=1/2x would be -2, because you flip the numerator and denominator and then make it negative.

So, this means that the slope of the line perpendicular to the line y=1/5x-1 is -5. So, here's our equation so far.

y= -5x+b

Now, we need to find the b. To do this, we can plug in this point (-1,0) that this perpendicular line goes through and solve for b.

0=-5(-1)+b

0=5+b

b= -5

So, this gives us the equation y= -5x-5

Have a wonderful day!

7 0
3 years ago
Solve the problem. Check answers to be sure they are reasonable.
eimsori [14]

Answer:

8

Step-by-step explanation:

4 0
3 years ago
Brainly for correct answer!
FinnZ [79.3K]

Answer:

the answer is b because it is asking to help you find one to help the inequality

4 0
2 years ago
Read 2 more answers
36 − 9m^2 factorized
STatiana [176]

Answer:

Step-by-step explanation:

Note that the expression is the difference of squares.

36 -  9m² = 6² - (3m)²

6² - (3m)² = (6 + 3m) (6 - 3m)

7 0
3 years ago
Read 2 more answers
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