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fredd [130]
3 years ago
7

What is the slope of the line from point (-4,2) to (-2,2)?

Mathematics
1 answer:
Alex787 [66]3 years ago
3 0

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-4, 2) and (-2, 2). Substitute:

m=\dfrac{2-2}{-2-(-4)}=\dfrac{0}{-2+4}=0

<h3>Answer: The slope is equal 0   (it's a horizontal line y = 2).</h3>
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(8.64x10^6) + (1.334x10^10)
marta [7]
<span>(8.64x10^6) + (1.334x10^10)
</span>=1.334864 x 10^10
4 0
3 years ago
A tank can be filled by one pump in 3.2 hours and by another pump in 80 minutes. A third pump can drain the tank in 2 hours and
Mademuasel [1]

Answer:

Rounding to the nearest minute, it would take 95 minutes, or 1 hour and 35 minutes.

Step-by-step explanation:

Let's convert each time to minutes:

3.2 hours = 192 minutes

80 minutes = 80 minutes

2 hr 20 min = 140 minutes

Next, let's find the least common multiple:

LCM(192, 80, 140) = 6720

So let's say the volume of the tank is 6720 units.  The speed of each pump is therefore:

Pump 1 = 6720 units / 192 minutes = 35 units/minute

Pump 2 = 6720 units / 80 minutes = 84 units/minute

Pump 3 = -6720 units / 140 minutes = -48 units/minute

Their combined speed is:

35 + 84 − 48 = 71 units/minute

So the time to fill the tank is:

6720 units / (71 units/minute) = 94.65 minutes

Rounding to the nearest minute, it would take 95 minutes, or 1 hour and 35 minutes.

6 0
3 years ago
Plz Help me
Dafna1 [17]

Answer:

6/0

Step-by-step explanation:

Step 1: Label your x and y's

(0,-11) (0, 5)

x1 y1  x2 y2

Step 2: Plug in your x1, x2, y1, and y2 into the slope formula

The slope formula is y1 -y2/ x1 - x2

-5-(-11)/ 0 = 6/0

Undefined

6 0
3 years ago
What is the equation of the line that passes through the point (−8,1) and has a slope of -3/4?
Marrrta [24]

Answer:

y-1=-3/4(x+8)

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept,

y-y1=m(x-x1)

y-1=-3/4(x-(-8))

y-1=-3/4(x+8)

6 0
3 years ago
PLEASE HELP ILL GIVE BRAINLIEST
bezimeni [28]

Answer:

Step-by-step explanation:

4

6 0
3 years ago
Read 2 more answers
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