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Sidana [21]
3 years ago
14

Simplify. (3x5+3x2−4x3+x−6)−(x3+4x4+2x2−10x) Enter your answer, in standard form, in the box.

Mathematics
2 answers:
Snezhnost [94]3 years ago
5 0
All so have to do is make sure to convert the negatives and positives of the second group of values since there is a subtraction symbol that you have to distribute to that section.

This would turn the expression into
3x^5 + 3x^2 - 4x^3 + x - 6 - x^3 - 4x^4 - 2x^2 + 10x

Then combine like terms and line all the values in order from greatest exponent value to least to get 
3x^5 - 4x^4 - 5x^3 + x^2 +11x - 6

Hope this helped :)
dimulka [17.4K]3 years ago
4 0

The first step is to distribute the negative sign to the expression (x3+4x4+2x2-10x) and after distributing the negative sign, the expression will become (-x3-4x4-2x2+10x). Then combine this with the first given expression (3x5+3x2−4x3+x−6) and this will become 3x5+3x2−4x3+x−6-x3-4x4-2x2+10x. then you can simplify it into <span>3x5-4x4+5x3+x2+11x-6.</span>

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Every round in a competition costs 30 diamonds and you get 10 shards. How many diamonds will it cost you to reach 1,024 shards?
Firdavs [7]

Answer:

3,090 diamonds

Step-by-step explanation:

To get 10 shards, you need to spend 30 diamonds.

First thing we need to find, how many rounds you need to play to get 1,024 shards if in each round you win 10 shards?

1,024/10 = 102,4

But you can not play 102.4 rounds, you only can play whole numbers, so we need to round it to the next whole number (not the previous one, because in that case, we would get less than 1,024 shards)

Then you need to play 103 rounds.

And each round costs 30 diamonds, then the total number of diamonds that you need is:

103*30 diamonds = 3,090 diamonds

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2 years ago
The triangle and square shown have the same perimeter. what expression represents of the triangle in terms of x? Give your awnse
Rashid [163]

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brainly.com/question/17506481

Step-by-step explanation:

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3 years ago
How to figúrate out if x makes the equation true
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Tina’s bedroom is in the shape of a rectangular prism 15 feet long, 12 feet wide, and 10 feet high. It has no windows. Tina want
Tanya [424]

Answer:

720ft²

Step-by-step explanation:

Wall 1&2 = lh = 15*10=150

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7 0
3 years ago
HELPP PLEASE
umka21 [38]

Answer:

27.5 mm

Step-by-step explanation:

The game piece has the shape of two identical square pyramids attached at their bases. Given that the perimeters of the square bases are 80 millimeters, and the slant height of each pyramid is 17 millimeters.

Let the side length of each of the side of the base of the pyramid be b, hence:

perimeter = 4b

80 = 4b

b = 20 mm. half of the side length = b/2 = 20 / 2 = 10 mm

The slant height (l) = 17 mm, Let h be the height of one of the pyramid, hence, using Pythagoras theorem:

(b/2)² + h² = l²

17² = 10² + h²

h² = 17² - 10² = 189

h = √189

h = 13.75 mm

The length of the game piece = 2 * h = 2 * 13.75 = 27.5 mm.

6 0
3 years ago
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