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Luden [163]
3 years ago
9

Solve for c.

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

c=-6

Step-by-step explanation:

disa [49]3 years ago
7 0

Answer:

c= -6

Step-by-step explanation:

2(2c+9)=c

4c+18=c

4c+18-18=c-18

4c=c-18

4c-c=c-c-18

3c=-18

3c/c=-18/3c

c= -6

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How do you solve this equation -6x + 7y =13 and -6x +8y =20 using elimination
ohaa [14]

Answer:

x=6,y= 7

Step-by-step explanation:

-6x +7y= 13

-6x+8y=20

-y = -7

divide through by -1

y =7

sub y= 7 in equation 1

then x= 6

8 0
3 years ago
if a cone and a cylinder have the same radius and the perpendicular height of the cone is twice that of a cylinder find the rati
kykrilka [37]

Answer:

2/3

Step-by-step explanation:

h = height of the cone

Vcone = πr²h/3

H = h/2 = height of the cylinder

Vcylinder = πr²H = πr²h/2

Vcone/Vcylinder = (πr²h/3)/(πr²h/2)

= πr²h/3 x 2/πr²h

= 2/3

7 0
3 years ago
Read 2 more answers
How to solve -2+x=19
Andrei [34K]
The answer for the equation is 21
8 0
3 years ago
Read 2 more answers
What is b. If the number as a fraction is 56/90.
MA_775_DIABLO [31]
The answer is:  " 28 " .
___________________________________________________
  " Twenty-eight (28) students said they would vote for Brianna."
___________________________________________________
Explanation:
___________________________________________________
We are given, in the problem, that there are "45 students total" .
___________________________________________________
The fraction:  \frac{56}{90} ;

can be reduced as follows:

\frac{56}{90} = (56÷2) / (90÷2) = [tex] \frac{28}{45} .
___________________________________________________
Thus, "28 students out of 45 students voted for Brianna" .
___________________________________________________
The answer is:  "28 students" .
___________________________________________________
Hope this helps!
___________________________________________________
4 0
3 years ago
This Question: 1 pt
dimaraw [331]

Answer:

26 ft

Step-by-step explanation:

10 + 3 + 10 + 3 = 26

3 0
3 years ago
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