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Komok [63]
3 years ago
15

If is valid : a ²- b ² = 117 and a - b = 3, then what is the value of the expression a + b ?

Mathematics
1 answer:
juin [17]3 years ago
7 0

Answer:

d is the correct answer from give questions

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After a 25% discount, the price of a bike is $146. What was the original price of the bike?
ra1l [238]
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4 0
3 years ago
A plane averaged 500 mph on a trip going east, but only 200 mph on the return trip. The total flying time in both directions was
adoni [48]

Let's assume time taken by plane on one way distance as 't'

The total flying time in both directions was 10.5 hr

so, time taken in other direction =10.5-t

now, we are given

A plane averaged 500 mph on a trip going east

so, total distance of one way is

=500t

total distance of other way is

=200(10.5-t)

now, we can that distance is same from both sides

so, we get

500t=200(10.5-t)

now, we can solve for t

500t=2100-200t

700t=2100

t=3

now, we can find one way distance

=500\times 3

=1500miles..............Answer

6 0
2 years ago
Which of the following is the graph of y=squareroot(-x-3)
Nata [24]

Answer:

it does not give us a graph so i cant help you sorry....

Step-by-step explanation:

6 0
3 years ago
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katrin [286]

Answer:

3 + 4n -9 + 5n

9n - 6

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