2 years ago

HELP!! Subtract: (2x3 + 7x2 – 4) – (22x2 + 4x – 10)

Mathematics

2 answers:

deff fn [24]2 years ago

8 0

The answer is the last one (2x^3+5x^2-4x+6)

alex41 [277]2 years ago

4 0

Answer:2x3+5x2-4x+6

Step-by-step explanation:

2x3+5x2-4x+6 is your answer

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A bag contains 2 red, 4 blue, and 4 yellow marbles. What is the probability of pulling a red marble, putting the marble back, an

Xelga [282]

Answer:

Red: 1/5 or 0.2 or 20% (depends if the question asked you to give the answer in fraction/decimal/percentage. Either way, it's still correct)

Black: 0

Blue: 2/5 or 0.4 or 40%

Step-by-step explanation:

In total, the bag contains 10 balls,

2 are Red = 2/10 = 1/5

There are no black marbles so you have 0 chance of pulling them out.

4 are blue = 4/10 = 2/5

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2 years ago

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! I NEED TO FINISH THESE QUESTIONS BEFORE MIDNIGHT TONIGHT.

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Answer:

The answer to your question is AC = 9.9

Step-by-step explanation:

To solve this problem use trigonometric functions. The trigonometric function that relates the hypotenuse and the adjacent side is cosine.

cos α = $\frac{adjacent side}{hypotenuse}$

Solve for hypotenuse

$hypotenuse = \frac{adjacent side}{cos\alpha }$

Substitution

hypotenuse = $\frac{9}{cos 24}$

Simplification and result

hypotenuse = 9.85

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And outdoor deck is 7 feet wide. The perimeter of the deck is 64 feet. What is the length of the deck?

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Well perimeter is lengthx2 and widthx2 so 7x2=14
then 64-14=50
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