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kkurt [141]
3 years ago
5

What is x2 – 6 = 16x + 30 rewritten in standard form, then factored?

Mathematics
1 answer:
snow_lady [41]3 years ago
6 0
The answer is 
x=18,-2

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find three consecutive odd integers such that the sum of the smallest number and middle number is 27 less than 3 times the large
katrin2010 [14]

A generic odd number can be written as

2k+1,\quad k \in \mathbb{Z}

Since there is an odd number every two numbers, three consecutive odd numbers will be

2k+1,\quad 2k+3,\quad 2k+5

Now let's make up the equations: the sum of the first two is

(2k+1)+(2k+3)

And 27 less than 3 times the largest is

3(2k+5)-27

These two must be the same, so we have

(2k+1)+(2k+3)=3(2k+5)-27 \iff 4k+4 = 6k+30-27 \iff 4k+4=6k+3

Subtracting 4k and 3 from both sides gives

1=2k \iff k=\dfrac{1}{2}

Which means that the problem has no solution.

To confirm this hypothesis, we can observe that, on the left hand side, we have the sum of two odd numbers, which is even

On the right hand side, we have an odd number, multiplied by 3 (still odd), take away 27 (still odd).

So, the left hand side is even, and the right hand side is odd. They can't be the same number.

7 0
3 years ago
Sweet tea purchased a new pair of jeans to wear to the battle of the bands on sale at 40% off he saved $20 what was the regular
DIA [1.3K]
$50 
20 x 2 = 40, which is 80% 
and then 20 divided by 2 is 10; so you add that to 40 and you get your answer 
8 0
3 years ago
Please answer this
pentagon [3]

Answer:

14 in^3.

Step-by-step explanation:

The volume = volume of the bottom prism + volume of the top pyramid

= area of base * height of the prism + 1/3 * area of base * height of the pyramid

= 2 * 1.5 * 4 + 1/3 * (2*1.5) * 2

= 3*4 + 1/3 * 6

= 14 in^3.

6 0
3 years ago
2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal ?
Firlakuza [10]
30 granola bars
20/1×3/2= 30
~JZ
Hope it helps
5 0
3 years ago
Can u plz help me? plz think ok<br> ps: Wetzucchini i know u try to hack me and put a vires on me
inessss [21]

Answer:

umm...

Step-by-step explanation:

6 0
3 years ago
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