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STALIN [3.7K]
3 years ago
9

A number s is no more than 18PLEASE PLEASE PLEASE HELP ME

Mathematics
1 answer:
defon3 years ago
8 0

Answer:

x \leqslant 18

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2. A university class had two recitation sections. The Monday recitation had 64 students and
grin007 [14]

Answer:

22

Step-by-step explanation:

64+20= 84 (number of students in total)

84/2= 42 (number of students each session)

Moving 22 students to Monday will result in equal number of students.

4 0
3 years ago
A boat traveled 240 miles downstream and back. The trip downstream took 12 hours. The trip back took 24 hours. What is the speed
RoseWind [281]

Answer:

rate boat = 15 mph

rate current = 5 mph

explanation:

d = r * t

t = d/r

240 / (r_boat + current) = 12       Multiply both sides by r_boat + r_current.

240 = 12(r_boat + current)

240/ (r_boat - current) = 24       Multiply both sides by r_boat - r_current

240 = 24*(r_boat - current)    

Since the distances are the same in both equations, you can equate the right side of each.

12 (r_boat + current) = 24(r_boat - current)     Divide by 12

r_boat + current  = 2 (r_boat - current)             Remove the brackets.

r_boat  + current = 2*r_boat - 2* current          add 2 currents to both sides

r_boat  + 3currents = 2*r_boat                          Subtract r_boat both sides

3 currents = r_boat.

240 = 12*(r_boat + current.                               Divide by 12

20 = r_boat + current                                        Put 3 currents in for r_boat

20 = 3currents + 1 current                                Combine

20 = 4 currents                                                  Divide by 4

5 = current

The rate of the current = 5 miles / hour

3 currents = r_boat

3*5 = rate_boat

15 = rate of the boat

8 0
2 years ago
A landscaper buys 1 gallon of plant fertilizer. He uses 1/5 of the fertilizer, and then divides the rest into 3 smaller bottles.
PIT_PIT [208]

Answer:

\frac{4}{15} of a gallon per bottle

Step-by-step explanation:

1 - \frac{1}{5} = \frac{4}{5}

\frac{4}{5} / 3 = \frac{4}{5} x \frac{1}{3} = \frac{4}{15}

5 0
2 years ago
A restaurant records the number of tables served each night, and the results have the values: minimum = 3, lower
natulia [17]

Answer: A. The first one

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
PLEASE HELP ME! THIS IS THE MOST URGENT! I WOULD HIGHLY APPRECIATE IT! PLEASE PLEASE PLEASE.
sergeinik [125]

Answer:

see attached

Step-by-step explanation:

The infinite series with a common ratio greater than 1 will not have a finite sum.

8 0
2 years ago
Read 2 more answers
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