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Elanso [62]
3 years ago
11

9 - 12n 2 + 4n 3 - 7n

Mathematics
1 answer:
Naddika [18.5K]3 years ago
3 0
1) is the correct answer because you just have to arrange them by degree
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Given that x is an even number, express, in terms of x, the product of the next two odd numbers.
wariber [46]

Answer:

Odd is the answer.

Step-by-step explanation:

An even number can be written in the form 2x, where x is an integer.

An odd number can be written in the form 2x + 1, where x is an integer.

So two odd numbers can be represented by 2a +1 and 2b +1, the product would be:

(2a + 1)(2b +1) = 4ab + 2a + 2b + 1 = which can be written as 2(2ab + a +b) + 1, but 2ab +a + b represents some integer, so 2ab + a + b = x.

So (2a + 1)(2b + 1) = 2(2ab + a + b ) + 1 = 2x +1 which is odd.

6 0
3 years ago
If 5 shirts and 5 sweaters cost $205, and 6 shirts and 9 sweaters cost $294, what is the cost of one shirt and what is the
Pani-rosa [81]

Answer:

shirt is 20.5 and sweater is 16.33

Step-by-step explanation:

3 0
3 years ago
Crater lake in Oregon is shaped like a circle with a diameter of about 5.5 miles. How far is it around the perimeter of crater l
ale4655 [162]

Answer:

The perimeter of crater lake is 17.27 miles.

Step-by-step explanation:

Given as :

The shape of the lake is like a circle

The diameter of lake = d = 5.5 miles

∵ shape pf lake is circle, so the diameter of circle = d = 5.5 miles

Let The perimeter of crater lake = p miles

<u>Now, As we know</u>

The perimeter of circle = \pi × diameter

the value of  \pi = 3.14

Or, p =  \pi × d

Or, p =  \pi × 5.5 miles

Or, p =  3.14 × 5.5 miles

∴ p = 17.27 miles

So, The perimeter of circle = perimeter of lake = p = 17.27 miles

Hence, The perimeter of crater lake is 17.27 miles. Answer

8 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
snow_tiger [21]
The answer is y=-5x+5
5 0
3 years ago
Please help! Finding the center of a circle with the given equation
kykrilka [37]
The answer is (-7,3). Hope it helps. Tell me if you need the whole work or if I'm wrong.

6 0
3 years ago
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