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Gemiola [76]
3 years ago
10

Solve 7x- c= k for x. A. X = 7(k+C) B. x = 7(K-C) C. X = k+c/7 D. X= k-c/7​

Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0

Answer:

C

Step-by-step explanation:

you add c to both side which will then make it 7x=k+c then you would divide 7 from both sides leaving you with x=k+c/7. Except 7 will be under the k and c.

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Please answer me this question ​
Jobisdone [24]

Answer:

x = 2

y = 3

Step-by-step explanation:

\left \{ {{0.4x + 0.3y = 1.7} \atop {0.7x - 0.2y = 0.8}} \right.

\left \{ {{2(0.4x + 0.3y) = 2 * 1.7} \atop {3(0.7x - 0.2y) = 3 * 0.8}} \right.

\left \{ {{0.8x + 0.6y = 3.4} \atop {2.1x - 0.6y) = 2.4}} \right.

2.9x = 5.8

29x = 58

x = 2

0.3y + 0.4x = 1.7

0.3y + 0.4 * 2 = 1.7

0.3y + 0.8 = 1.7

0.3y = 0.9

3y = 9

y = 3

4 0
3 years ago
Evaluate the determination for the following matrix [144] [522] [155]
Anettt [7]
Matrix :

1    4    4

5    2    2

1    5    5

=> Determinant =

1 * (2*5 - 2*5) - 4 * (5*5 - 1*2) + 4 * ( 5*5 - 2*1)

= 1*(10 - 10) - 4*(25 - 2) + 4*(25 -2) = 1*0 + 4* 23 + 4*(25 - 2) = 0 - 4*23 + 4*23 = 0

Answer: 0
8 0
4 years ago
A gram is equivalent to 0.0353 ounces. One ounce is how many grams? Round to the nearest tenth.
Artemon [7]

Answer:

Your answer is 28.3495

Brainliest is appreciated

5 0
3 years ago
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-6 c squared times 2 c squared - 3 C
vekshin1
-12c to the fourth power +18c to the third power! :)
8 0
3 years ago
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Division 542 dividido 2 y resta
vodomira [7]

Answer: 271

Step-by-step explanation:

\frac{542}{2}=\frac{500+40+2}{2}=250+20+1+=271

5 0
2 years ago
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