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timama [110]
2 years ago
11

Can someone help me will give brainlist

Mathematics
1 answer:
MissTica2 years ago
8 0
Answer:
I only know the first one...
C) 4896
Step-by-step explanation:
For the first pick, 18 students to pick from then 17 left and then 16 left.

18 * 17 * 16 = 4896
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A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 5 ​hours, while the outlet pipe can empty it
Rashid [163]

Answer:

                 time=40/3hours\approx 13.3hours

Step-by-step explanation:

The rates are additive: you can calculate the<em> inlet </em>rate and the <em>outlet</em> rate and add them algebraically, i.e. the inlet rate will be positive and the outlet rate will be negative.

<u>1. Inlet rate:</u>

1vat/5hours

<u />

<u>2. Outlet rate:</u>

1vat/8hours

<u>3. Net rate:</u>

            \text{Inlet rate - outlet rate}=1vat/5hours-1vat/8hours\\\\ \text{Net rate}=(8-5)vat/40hour=3vat/40hour=(3/40)vat/hour

<u>4. Time to fill the vat</u>

           rate=amount/time\implies time=amount/rate\\ \\ time=1vat/(3vat/40hour)

          time=40/3hours\approx 13.3hours

7 0
3 years ago
4
Mazyrski [523]

Answer:

the answer is 15/4

Step-by-step explanation:

all you have to do is take the independent variable and put the sign in between.

6 0
3 years ago
.
Ivenika [448]

Answer:

Theoretically, since it has two sides, it's a 50 50, chance. 50%

6 0
3 years ago
100 POINTS AND BRAINLIST
Tatiana [17]

Answer:

You can use the coordinates of a figure to find its dimensions by finding the distance between two points. To find the distance between two points with the same x-coordinates, subtract their y-coordinates. To find the distance between two points with the same y-coordinates, subtract their x-coordinates.

Step-by-step explanation:

6 0
2 years ago
Lol I need help agin
m_a_m_a [10]

Step-by-step explanation:

7

b²=√218²-13²

=218-169

=49

=√49

=7

3 0
2 years ago
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