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raketka [301]
3 years ago
14

Nth term of 8,11,16,23

Mathematics
1 answer:
Dmitry [639]3 years ago
3 0
The ninth term will be 71.
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2. Solve the equation - 4(8 + y) = 90.​
kondor19780726 [428]

Answer: y=-61/2

Step-by-step explanation: - 4(8 + y)/-4 = 90/-4

8+y-8=-45/2-8

-8(2)-45/2

-16-45

-61

y=-61/2

3 0
2 years ago
Read 2 more answers
James and Lucas competed in climbing a mountain and coming back. James climbed at an average rate of 3 mph and ran back at 4 mph
Bogdan [553]

It took 70 minutes for James to finish and 84 minutes for Lucas to finish and James was faster.

Step-by-step explanation:

Given,

Climbing rate of James = 3 mph

Running back rate of James = 4 mph

Climbing rate of Lucas = 2 mph

Running back rate = 5 mph

Total distance = 2 miles

We know that;

Distance = Speed * Time

As we have to find, we will rearrange the formula in terms of time

Time=\frac{Distance}{Speed}

Time took by James for climbing = \frac{2}{3}\ hours

Time took for running back = \frac{2}{4}\ hours

Total time = \frac{2}{3}+\frac{2}{4}=\frac{8+6}{12}=\frac{14}{12}

Total time taken by James = \frac{7}{6}\ hours

1 hour = 60

Total time taken by James = \frac{7}{6}*60=70\ minutes

Time took by Lucas for climbing = \frac{2}{2}=\ 1\ hour

Time took by Lucas for climbing = 60 minutes

Time took on return = \frac{2}{5} of\ an\ hour=\frac{2}{5}*60=24\ minutes

Total time taken by Lucas = 60+24 = 84 minutes

Therefore,

It took 70 minutes for James to finish and 84 minutes for Lucas to finish and James was faster.

Keywords: distance, speed

Learn more about distance at:

  • brainly.com/question/1021953
  • brainly.com/question/10480770

#LearnwithBrainly

7 0
3 years ago
Find the perimeter and area of the semi circle
OLga [1]

Answer:

Step-by-step explanation:

Perimeter of a semicircle with diameter d = πd/2 + d

5 0
3 years ago
How many ribbons 2/3 yard long can be cut from 3 1/2 of ribbon?<br> help
mart [117]
5 and 1/4 can be cut from the ribbon

Divide 3 1/2 and 2/3
3 0
10 months ago
Spencer bought 5 1/2 pounds of potatoes and 3 3/4 pounds of tomatoes to make stew.
Advocard [28]

Answer:

9 1/4 pounds because you add the two fractions together

6 0
3 years ago
Read 2 more answers
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