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4vir4ik [10]
3 years ago
8

Find the value of 7x+3y when x=12 and y=-6​

Mathematics
2 answers:
miv72 [106K]3 years ago
7 0

Answer:

66

Step-by-step explanation:

To get the values we just have to substitute the number of the value

7x + 3y = 7(12) + 3(-6)

84 - 18 = 66

kenny6666 [7]3 years ago
6 0

Answer:

66

Step-by-step explanation:

7 x + 3 = 7 (12) + 3 (-6)

84 - 18 = 66

Substitute the value of the variable into the expression and simplify.

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Someone help me with this question please.
grandymaker [24]
It’s 27 because u multiple the first 2 number and it’s a negative then add the rest to it
5 0
3 years ago
Help me help 2 tries only
Alborosie

Answer:

2,637,070

Step-by-step explanation:

2891+66= 2963

2963x 890= 2,637,070

Correction

890+ 66= 956

2891 x 2 = 5782

956 x 2= 1912

5782 + 1912= 7694

7 0
2 years ago
Read 2 more answers
There are 40 markers in a bag. Of the 10 scented markers, 6 are permanent markers. Half of the unscented markers are erasable.
Vera_Pavlovna [14]

Answer:

K12 ANSWER

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
5) If Oskar bisects the diameter of a circle, what is he trying to construct?
pav-90 [236]

Answer:

Center = (5,-3) and radius = 7

Step-by-step explanation:

(5) If Oskar bisects the diameter of a circle, what is he trying to construct the radius of the circle.

(6) The given equation is :

(x-5)^2+(y+3)^2=49

The general equation of circle is given by :

(x-a)^2+(y-b)^2=r^2 ...(1)

Where

(a,b) are the coordinates of the centre and r is the radius.

The given equation can be written as :

(x-5)^2+(y+3)^2=7^2 ..(2)

Comparing equation (1) and (2) we get :

a = 5, b = -3 and r = 7

So,

Center = (5,-3) and radius = 7

Hence, this is the required solution.

8 0
3 years ago
PLEASE HELP PLEASE 9. A lake has an average depth of 4 feet. A new dam has just been completed, and the average depth of the lak
hoa [83]

Answer:

B

Step-by-step explanation:

I had the same question

6 0
3 years ago
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