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m_a_m_a [10]
3 years ago
8

A plane averaged 500 mph on a trip going east but only 350 mph on the return trip. The total flying time for both directions was

8.5 hours. What was the one-way distance?
Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:I wish I knew

Step-by-step explanation:

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Which polynomial is the perfect square trinomial? And why??? Help Please!!
lutik1710 [3]
<h3>Answer:</h3>

See the attached

<h3>Step-by-step explanation:</h3>

When you square the binomial (a -b), you get ...

... (a -b)² = a² -2ab +b²

That is, both the a² and b² terms have positive signs, and the middle term is twice the product of the roots of the squared terms.

The last two selections have negative signs on the constant, so cannot be perfect square trinomials.

The first selection has a middle term that is -ab, not -2ab, so it is not a perfect square trinomial, either.

The second selection is the correct one:

... 4a² -20a +25 = (2a +5)²

4 0
3 years ago
What is the awsner to (-6)(8) + (-11)
Nat2105 [25]

Answer:

-59

Step-by-step explanation:

6 0
3 years ago
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Can someone help me in this pretty please and asap!!! ;((
zepelin [54]

Answer:

(x -5)² + (y +4)² = 100 Should be the correct answer, hope this helps :)

Step-by-step explanation:

A circle centered at (h, k) with radius r will have equation ...

... (x -h)² + (y-k)² = r²

The point satisfies the equation for the circle. Filling in the given numbers, we have ...

... (x -5)² + (y+4)² = (-3-5)² + (2+4)² . . . . . . (h, k) = (5, -4), (x, y) = (-3, 2)

... (x -5)² + (y +4)² = 64 +36

6 0
3 years ago
Select the correct comparison
Anastaziya [24]

Answer:

A. typical value and the spread are both greater in set A.

5 0
3 years ago
Ethan's school has a sports field with an area of 6,450.35 square yards. If the length of the field is 90.85 yards, what is the
OLEGan [10]
Here's how it's solved.. ツ
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3 years ago
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