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Elenna [48]
2 years ago
13

What is the most specific name for a quadrilateral with one pair of parallel sides?

Mathematics
1 answer:
sukhopar [10]2 years ago
3 0
It’s C - parallelogram
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The summer has ended and it’s time to drain the swimming pool. 20 minutes after pulling the plug, there is still 45 000L of wate
WITCHER [35]

Answer:

  a) -900 L/min

  b) 63000 L

  c) v = -900t +63000

  d) 7200 L

Step-by-step explanation:

a) You are given two points on the curve of volume vs. time:

  (t, v) = (20, 45000) and (70, 0)

The rate of change is ...

  Δv/Δt = (0 -45000)/(70 -20) = -45000/50 = -900 . . . . liters per minute

__

b) In the first 20 minutes, the change in volume was ...

  (20 min)(-900 L/min) = -18000 L

So, the initial volume was ...

  initial volume -18000 = 45000

  initial volume = 63,000 . . . . liters

__

c) Since we have the slope and the intercept, we can write the equation in slope-intercept form:

  v = -900t +63000

__

d) Put the number in the equation and do the arithmetic.

When t=62, the amount remaining is ...

  v = -900(62) +63000 = -55800 +63000 = 7200

7200 L remain after 62 minutes.

6 0
3 years ago
Hey! can u help me with this?! 6 divided by 3/5 in fraction form!?!?!!?
frutty [35]

Answer:

10/1

Step-by-step explanation:

You do

6÷ 3/5

Flip the 3/5 then multiply

6 ° 5/3

Reduce the numbers with the greatest common factor 3

So 2•5

And that's 10

4 0
3 years ago
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Can sombody please confirm me the formula for SA(surface area) of a triangular prism. please.
mote1985 [20]
bh + l(s_1 + s_2 + s_3)
b = base length (of triangle)
h = height of triangle
s = side length of triangle
l = length of rectangle
6 0
3 years ago
What is the equation of the line x–3y=18 in slope-intercept form?
Minchanka [31]

Answer:

Simple...

you have: x-3y=18

You want to convert it into slope-intercept form or y=mx+b form-->>>

x-3y=18

Isolate the variable-->>

x-3y=18

-x      -x

-3y=-x+18

Now simply divide...

-3y/-3  = -x+18/-3

y=1/3x=6

Thus, your answer.

3 0
3 years ago
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The set of points (–3, 7), (0, –3) and (6, 1) are plotted in the coordinate plane. Which of the following statements is true abo
irina1246 [14]

Answer: A

Step-by-step explanation:

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3 years ago
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