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kicyunya [14]
3 years ago
13

K(3k−6)−7k(6k+10)=12

Mathematics
2 answers:
Natalija [7]3 years ago
6 0

Answer:

k = -12/77

Step-by-step explanation:

hey

julsineya [31]3 years ago
4 0

Answer:

k = -12/77

Step-by-step explanation:

OG problem: k(3k−6)−7k(6k+10)=12

Step-by-step:

3k - 6k - 42k - 70k = 12

-3k - 42k - 70k = 12

-7k - 70k = 12

-77k = 12

k = -12/77

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The sum of three numbers is 62. The second number is equal to the first number diminished by 4. The third number is four times t
Burka [1]
Hello,

Let's assume a,b,c the 3 numbers

a+b+c=62
b=a-4
c=4*a

==>a+(a-4)+4a=62
==>6a=66
==>a=11
b=11-4=7
c=4*11=44
The 3 numbers are 11;7;44

Proofs:
11+7+44=62
7=11-4
44=4*11


5 0
3 years ago
In a art class, there are 32 pens to 40 brushes what is the ratio of pens to brushes written as a fraction in simplest form ?
kolezko [41]
32/40 is the fraction to 32:40 and if u simplify it, it would be 4/5
4 0
3 years ago
Easy volume problem.
bagirrra123 [75]

Volume = l×b×h = 48×40×30 = 57600 cm²

5 0
3 years ago
Read 2 more answers
The point at which a company's costs equal its revenues is the break-even point. C represents the cost, in dollars, of x units o
kondaur [170]
Okay, so we know it is going to be more than 32000, right?

8 0
3 years ago
Please help.. no links​
neonofarm [45]

Answer:

Its 9.0 units

Step-by-step explanation:

For the side mostly to the left, its gonna be 3 units, since we can easlily count it

Now, for the diagonals, we have to use the formula for the area of a triangle, which is (l * w) / 2 = a.

For the bottom side, its 3 along the x axis and 1 along the y axis. 3 * 1 is 3, now divide that by 2 and you got 1.5

Now, for the right side, its 5 on the y, 1 on the x. Multiply 1 by 5, you got 5. Now divide that by 2 and you have 2.5

Finally, for the top side, its 4 on the x, and 1 on the y. 4 * 1 is 4, divided by 2 and its 2.

Alright, now we have to add 'em all together. 3 + 1.5 + 2.5 + 2 is 9 units

Theres your answer :)

6 0
2 years ago
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