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Luden [163]
3 years ago
8

A Plane flies with a velocity of 52 m/s south in a 12 m/s wind blowing in the same direction. Find the

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0

Answer:

  • 64 m/s and south direction

Step-by-step explanation:

  • Wind direction is same
  • Wind speed = 12 m/s
  • Plane velocity = 52 m/s

Combined direction is

  • same = south

Combined velocity

  • 52 + 12 = 64 m/s
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What is the expression in factored form? x2 + 14x + 48
scZoUnD [109]
(x+6)(x+8) = 0 
x = -6 or x = -8

I'm just wondering, does the equation happen to be  2x^2 + 14x + 48? That would make more sense with the answer I got.

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3 years ago
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Answer:

y=3x -6

Step-by-step explanation:

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3 years ago
Is 4,582 less than 4,862?
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What numbers multiply to -756 but when added = 1
telo118 [61]
So?
-756*x +x =1 ?
-755 x = 1
x= -1/755

or
what two numbers when multiplied equal -756 but when added together equal 1?

numbers are x and y
x*y= -756
x+y=1

rearrange the 2nd eq
y=1-x
substitute

x(1-x)=-756
distribute
x-x^2=-756
solve for zero
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factor/quadratic equation
8 0
3 years ago
Two cyclists leave towns 253 kilometers apart at the same time and travel towards each other. One cyclist travels 5km/h faster t
Sladkaya [172]

Answer:

The rate of the slower cyclist is

22\frac{4}{5}km/h

and that of the faster cyclist is

27 \frac{4}{5}km/h

Step-by-step explanation:

We let x be the rate of the slower cyclist

rate \times time = distance

From the question, the distance between the two towns is 253 and the time taken for the two cyclist to meet is 5 hours

so we can write the equation

5x + 5(x + 5) = 253

We simplify to get the value for x

\implies5x + 5x  + 25 = 253

\implies10x = 253 - 25

\implies10x = 228

\implies x =22 \frac{4}{5}

Hence the rate of the slower cyclist is

22 \frac{4}{5} km/h

and that of the rate faster cyclist is

27 \frac{4}{5}km/h

5 0
3 years ago
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