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Lady bird [3.3K]
3 years ago
6

(-x^3-x)+(6x^2+6x-7)

Mathematics
2 answers:
zlopas [31]3 years ago
4 0

In this question, you would be simplifying.

Simplify:

(-x³- x) + (6x² + 6x - 7)

-x³- x + 6x² + 6x - 7

-x³ + 6x² + 5x - 7

You can't simplify any further, so your answer would be:

-x³ + 6x² + 5x - 7

Answer:

-x^3 + 6x^2 + 5x - 7

zubka84 [21]3 years ago
3 0

Answer: -( x³ - 6x² - 5x - 7 )

Step-by-step explanation:

(-x³ - x) + ( 6x² + 6x + 7 )

Open all the brackets and add

-x³ - x + 6x² + 6x + 7

-x³ + 6x² +6x - x + 7

-x³ + 6x² + 5x + 7

-( x³ - 6x² - 5x - 7 )

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What is greater 150yards or 429 feet or 130yards or 460feet
Arturiano [62]

Hey there!

Let’s turn everything into yards (instead of feet) so we can determine which is greater

To do this, all we have to do is divide 3 (that’s how many feet are in a yard) by 429 & 460 (these are the 2 lengths that are represented by feet)

429 ÷ 3 = 143

460 ÷ 3 = 153.333... (let’s round to 153)

Now, we determine which is greater:

150 yards > 143 yards

So, 150 yards is greater than 143 yards (or 429 feet)

130 yards < 153 yards

So, 130 yards is less than 153 yards (or 460 feet)

Hope this helps you!

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3 0
3 years ago
Why is cereal is packaged in rectangular boxes?
dlinn [17]

Answer:

A rectangular solid offers more volume while still maintaining a width acceptable to be gripped by one hand. Considering the average grip width available to humans is a couple inches wide, cereal boxes conform to this to allow one handed pouring.

Step-by-step explanation:

Try writing this on your own words if you want :)

4 0
2 years ago
Summer looked at the formula for the Pythagorean Theorem, a2 + b2 = c2, she said that it didn’t matter which sides of a right tr
Black_prince [1.1K]

Answer:

Summer is incorrect

Step-by-step explanation:

It definitely matters which side is side "c".  Side "c" must be the hypotenuse (the side across from the right angle).

The other two sides are the legs (sides touching the right angle), and either leg can be "a" or "b", but the hypotenuse must be "c".

Take the equation, a² + b² = c², and subtract c² from both sides:

a^{2} +b^{2} -c^{2} =0

It won't matter which leg is "a" or "b", because of the commutative property of addition.  Note that "a²" and "b²" are added together, and due to the commutative property of addition, we can add in either order and get the same result.

However, since the c² term is connected by subtraction, and subtraction doesn't have a commutative property, it can't be subtracted in any order.  Meaning which side it is is important.

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A bus company counted 32 ticket receipt last friday. The price for a senior ticket is $6.75, and the price for a regular ticket
Vitek1552 [10]

Answer:

25 Regular tickets and 7 Senior Tickets

Step-by-step explanation:

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3 years ago
If $10,500 is deposited in a compound interest account paying 2.99% interest annually, how much will be in the account after 5 y
sweet-ann [11.9K]
The formula for compound interest is:
A=P(1+r)^n
where is
P=principal=10,500
r=interest as a percent=2.99/100=0.0299
n=years
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choice A
5 0
3 years ago
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