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Lana71 [14]
3 years ago
12

PLEASE HELP ASAP will mark brainliest also, ignore what i already put

Mathematics
2 answers:
k0ka [10]3 years ago
6 0

Answer:

You're right

Step-by-step explanation:

-x^{2}(2x^{3}+5x^{2}+6x)\\  -x^{2} *2x^{3}-x^{2} *5x^{2} -x^{2} *6x\\-2x^{5} -5x^{4} -6x^{3}

madam [21]3 years ago
4 0

Answer:

-2x^2-11x^3

Step-by-step explanation:

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Two planes start from the same point and fly in opposite directions. The first plane is flying 60 mph slower than the second pla
Naddik [55]

Answer:

The first plane is moving at 295 mph and the second plane is moving at 355mph.

Step-by-step explanation:

In order to find the speed of each plane we first need to know the relative speed between them, since they are flying in oposite directions their relative speed is the sum of their individual speeds. In this case the speed of the first plane will be "x" and the second plane will be "y". So we have:

x = y - 60

relative speed = x + y = (y - 60) + y = 2*y - 60

We can now apply the formula for average speed in order to solve for "y", we have:

average speed = distance/time

average speed = 1625/2.5 = 650 mph

In this case the average speed is equal to their relative speed, so we have:

2*y - 60 = 650

2*y = 650 + 60

2*y = 710

y = 710/2 = 355 mph

We can now solve for "x", we have:

x = 355 - 60 = 295 mph

The first plane is moving at 295 mph and the second plane is moving at 355mph.

5 0
3 years ago
Provide an example of a system of two linear equations that has no
viva [34]

Answer:

Step-by-step explanation:

No solutions....means the lines are parallel...means ur 2 equations have to have the same slope but different y intercepts

y = 2x + 4 and y = 2x + 3

========================

Infinite solutions...means u have the same line

y = 2x + 4 and 2y = 4x + 8....notice how if u reduce the 2nd one by dividing everything by 2 u get y = 2x + 4...same line

========================

1 solution....means ur equations will have different slopes and different y intercepts.

y = 2x + 4 and y = 4x + 2

now, u can pick which one u want :)

3 0
3 years ago
The late fee at the library is based on the number of days a book is late. Carter paid $1.08 for a book that way nine days late.
olasank [31]

Answer:

16 days

Step-by-step explanation:

108/9 is 12. The late fee is 12¢ per day. 16x12 is 192.

7 0
3 years ago
What's halfway between 3100and4000
Anni [7]
3950 is in between
is the answer
4 0
3 years ago
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56°<br> х<br> 20<br> Solve for x. Round to the nearest<br> tenth.
otez555 [7]

Answer:

vgkf çµr  nm 5hr 6tqy7gu8hibyg7tf6r5d4es3

Step-by-step explanation:

4 0
3 years ago
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