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WITCHER [35]
3 years ago
15

Total Number of Fish in Tank

Mathematics
1 answer:
ikadub [295]3 years ago
8 0

Answer:

Look it up. it will help you work it out. hope this helped.

Step-by-step explanation:

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Angelina_Jolie [31]

Answer:

check online for more information

7 0
2 years ago
P and q are two arithmetic sequences. The first four terms of sequence P are 2,6,10,14. The nth term of sequence Q is 145-3n. Th
Tomtit [17]

Answer:

r = 21

Step-by-step explanation:

nth of sequence P :

T_{n} = 4n -2

r^{th} term : 4r-2=145-3r\\4r+3r=145+2\\7r=147\\r=21

5 0
1 year ago
Find three ratios that are equivalent to 20:25
V125BC [204]

Answer:

4/5 , 40/50, 80/100

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Lauren is at a friend's home that is several miles from her home. She starts walking at a constant rate in a straight line towar
DaniilM [7]

a.

Lauren was 10 miles away from her house when he started.

Since the expression for Lauren's distance from her house, d = -2t + 10, to determine the number of miles away from his house that Lauren starts, we input t = 0, since this is the time Lauren starts walking.

So, with t = 0, d = -2t + 10

= -2(0) + 10

= 0 + 10

= 10 miles.

So, Lauren was 10 miles away from her house when he started.

b.

Lauren was moving at a rate of -2 mph towards her house.

To find how fast Lauren was moving towards her house, we differentiate d with respect to t.

So, dd/dt = d(-2t + 10)/dt

= d(-2t)/dt + d(10)/dt

= -2 + 0

= -2 mph

So, Lauren was moving at a rate of -2 mph towards her house.

c.

The rate is negative because her distance towards her house is decreasing

The rate is negative because her distance towards her house is decreasing since she is moving towards her house.

d.

Lauren is 2 miles away from her house after 4 hours

To find this, we input t = 4 into the equation for d.

So, d = -2t + 10

= -2(4) + 10

= -8 + 10

= 2 miles.

So, Lauren is 2 miles away from her house after 4 hours

Learn more about distance travelled here:

brainly.com/question/17997145

7 0
3 years ago
Alex weighs 185 pounds. If he decreases his weight by 10% what would be his new weight?
PSYCHO15rus [73]

Answer:

166.5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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