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kumpel [21]
1 year ago
12

9(3x+6)-6(7x-3)=12 solve and check

Mathematics
1 answer:
nignag [31]1 year ago
6 0
X=4 is the answer to this

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What is the equation for the points (-3,1) and (9,7)
Scorpion4ik [409]

Answer:

The equation of line with given points is 2Y - X - 5 = 0

Step-by-step explanation:

Given points are ( - 3 , 1)   and   (9 , 7)

Equation of line is y = mx +c

where m is the slop of line

Now m = \frac{y2 - y1}{x2 - x1}

Or,    m = \frac{7 - 1}{9 + 3}

so, slop = \frac{6}{12}

∴   slop = \frac{1}{2}

Now the equation of line with points ( -3 , 1) and slop m is :

Y - y1 = m ( X - x1)

Or, Y - 1 =  \frac{1}{2} (X + 3)

Or, 2Y - X - 5 = 0

Hence The equation of line with given points is 2Y - X - 5 = 0 Answer

6 0
3 years ago
Which of the following is the equation of a circle with a radius of 10 cm and center at (–3, 6)?
vlabodo [156]

The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the ordered pair for the center.

(x - (- 3))² + (y - 6)² = 10²

(x + 3)² + (y - 6) = 100

5 0
3 years ago
A graphic designer chose a base font size and represented it as 1 on the scale. She then listed some consecutive scale sizes. Tw
Flauer [41]

Answer: 1.6464

Step-by-step explanation: I think.

4 0
3 years ago
Pls help me I am confused 8' 4" − 2' 6"<br><br> (it's not easy)
VashaNatasha [74]

I do not know sorry

5 0
3 years ago
A recipe for pie dough calls for a ratio of butter to flour of 4/5 : 3 1/3 . If you plan to use 6 2/3 cups of flour, how much bu
erma4kov [3.2K]

Answer:

1 3/5

Step-by-step explanation:

to determine the answer, take the following steps :

  1. determine how much larger the amount of flour you intend to use is more than that indicated in the recipe
  2. Multiply the answer gotten in the above step by the amount of flower indicated in the recipe

6 2/3 ÷ 3 1/3

20/3  x 3/10 = 2

2 x 4/5 = 8/5 = 1 3/5

6 0
2 years ago
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