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Levart [38]
3 years ago
15

(8k2x2+8k+5)-(3k2x2+5k+1)

Mathematics
2 answers:
MArishka [77]3 years ago
7 0
If you simply if would be: 10k^2+3k+4
Natalka [10]3 years ago
4 0

Answer:

Step-by-step explanation:

=5k^2x^2+3k+4

Hope this helps mark me as brainiest pls

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Solve for x:<br> 3(x+1)=5 (x-2)+7
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Step-by-step explanation:

3( x +1) = 5 (x - 2) + 7

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5x - 3x = 3 + 10 - 7

2x = 13 - 7

2x = 6

Therefore x = 3

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3 years ago
A box contains 3 plain pencils and 9 pens. a second box contains 7 color pencils and 3 crayons. one item from each box is chosen
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18/40 = 9/20 =

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construct a right-angled triangle ABC where angle A =90 degree , BC= 4.5cm and AC= 7cm. please ans fast........ Very urgent. Pls
Katena32 [7]

Answer and Step-by-step explanation: The described right triangle is in the attachment.

As it is shown, AC is the hypotenuse and BC and AB are the sides, so use Pytagorean Theorem to find the unknown measure:

AC² = AB² + BC²

AB^{2} = AC^{2}-BC^{2}

AB =\sqrt{AC^{2}-BC^{2}}

AB =\sqrt{7^{2}-4.5^{2}}

AB =\sqrt{28.75}

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Then, right triangle ABC measures:

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6 0
3 years ago
You are preparing for a trip to Canada. At the time of your trip, each U.S. Dollar is worth 1.293 Canadian dollars and each Cana
madreJ [45]

Answer:

193.95 Canadian dollars

Step-by-step explanation:

Given: Each U.S. Dollar is worth 1.293 Canadian dollars and each Canadian dollar is worth 0.773 U.S. Dollar.

To find: Value of 150 U.S. dollars in terms of Canadian dollars

Value of 1 U.S. dollar = 1.293 Canadian dollars

To find 150 U.S. dollars in terms of Canadian dollars, multiply 150 by 1.293

Value of 150 U.S. dollars in terms of Canadian dollars = 150 × 1.293 = 193.95 Canadian dollars

4 0
3 years ago
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