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hodyreva [135]
3 years ago
14

(-6.7x 2 + 2.3x y + 5.2) - (-14.9x 2 - 3.5x y + 7.1)

Mathematics
1 answer:
Kruka [31]3 years ago
7 0
9.6x^2 + 5.8xy - 2.1

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If 10% of x is 20, what is 23% of x?
swat32
<span>If 10% of x is 20, 
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</span><span>then x = 200.</span><span>what is 23% of x?
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23% = (23/100)*200 = 46</span>
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What were some of the challenges pilgrims faced on their journey
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On the ocean Pilgrims encounter fierce storms, disease, and their ship falls into disrepair. During the first winter they lack shelter, warmth, and food.

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3 years ago
Carolina needs $50 to buy a new Mp3 player Caroline has 40% of the amount how much does she have
olga55 [171]
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4 0
3 years ago
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Rudik [331]

9514 1404 393

Answer:

  3 months

Step-by-step explanation:

We don't know what's on your list of "useful financial formulas." One that can be used here is the formula for simple interest:

  I = Prt . . . . . interest on principal P at annual rate r for t years

Solving for t gives ...

  t = I/(Pr)

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4 0
2 years ago
The measures of two complementary angles are in the ratio 8:1. how many degrees are in the larger angle?
djverab [1.8K]
Since the measures of the two angles are in the ratio 8:1, this means the bigger angle's is 8x and the smaller angle is x. Since they are complementary, they add to 90°, so you create the equation 8x+x=90°. This can be simplified to 9x=90°. Then, you divide 90 by 9 to get 10. This means x=10. Next, you replace x with 10 to find the measure of the bigger angle. 8x10=80, so the larger angle is 80°.
4 0
3 years ago
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