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3 years ago

What ordered pair describes the planes position when it has completed half its trip

1 answer:

8 0

This is a very difficult problem. In fact, in its present form, it's an
impossible problem. That's because we have no information to
answer it with. You've told us total zippo about the plane or its trip,
and gave us no choices of answers.

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U 12 - 7 + 2 15 15 15 1

Dennis_Churaev [7]

Answer:

I didn't know

6 0

3 years ago

What is the product? (2x-1)(x+4) O 2x24 O 2xả44 O 2x²+7x-4 O 2x²-7x-4

I am Lyosha [343]

Answer: The third option, O 2x²+7x-4

Step-by-step explanation:

We can use the "FOIL" method. We take the following four sets, multiply them together, then add them for our final answer.

-> first

-> last

-> inner

-> outer

What does this look like mathematically?

-> first = (2x - 1)(x + 4) = 2x * x = 2x²

-> last = (2x - 1)(x + 4) = -1 * 4 = -4

-> inner = (2x - 1)(x + 4) = -1 * x = -x

-> outer = (2x - 1)(x + 4) = 2x * 4 = 8x

2x² - 4 - x + 8x

2x² + 7x - 4

O 2x²+7x-4

5 0

2 years ago

Read 2 more answers

Select the three equations that have

MakcuM [25]

Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What is the value of s in the equation 3r=10+5s when r=10

tatyana61 [14]

3*10 = 10+5*s
30 = 10+5s
20 = 5s
s = 4

5 0

3 years ago

Read 2 more answers

Explain reasoning!

vova2212 [387]

Answer:

1.) Incorrect,

2.) Correct

Step-by-step explanation:

1.) Let x be the amount of money,

After increasing x by 20%,

New amount of money ( say y )= (100+20)% of x ( i.e. y is 20% more than x )

= 120 % of x

$=\frac{120x}{100}$

⇒ y = 1.20x

$\because \frac{y-x}{y}\times 100=\frac{ 1.20x-x}{1.20x}\times 100$

$=\frac{0.2x}{1.2x}\times 100$

$=\frac{20}{1.2}$

≈ 16.67%

Thus, x is approximately 16.67% less than y.

2.) First score = 60%,

Second score = x% ( let )

So, Average percentage score = $\frac{60+x}{2}$

If $\frac{60+x}{2}=70$

$60+x=140\implies x = 80$

4 0

4 years ago