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wel
3 years ago
15

Select the best answer.

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

the 4th one nzoabsjqnnansiwwna

Maru [420]3 years ago
3 0

Answer: D

Step-by-step explanation:

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Answer:

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8 0
3 years ago
The sum of the interior angles of a hexagon is _____.
kupik [55]
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5 0
3 years ago
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Make sure you draw a picture to help solve the problem and show all your work:
hodyreva [135]

Answer:

answer in the pic

Step-by-step explanation:

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3 0
3 years ago
ritu can row downstream 20km in 2 hrs and upstream 4km in 2 hrs. find the speed of rowing in still water and the speed of the cu
Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = x+y

Distance downstream = 20km

Time taken = 2 hours

We have

x+y=\frac{20}{2}

x+y=10       ......(1)

Speed of boat upstream = x-y

Distance upstream = 4

Time taken = 2

We have

x-y=\frac{4}{2}

x-y=2    ...(2)

Adding (1) & (2)

2x=12

x=6

Substituting in (1) we get

y=4

7 0
3 years ago
algerba write the missing numbers that make these number sentences true . 40+50=60 + ____. __= 89+10​
san4es73 [151]

Answer:

it is 9 bc it adds up to 99

Step-by-step explanation:

5 0
3 years ago
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