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Anon25 [30]
3 years ago
9

Seven fifths of a number, z, subtracted from 6 times the same number is 3 .

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
8 0
6z-7z/5=3

(30z-7z)/5=3

30z-7z=15

23z=15

z=15/23
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Need help with this problem
Schach [20]
Here we are:

Triangle PQR is equilateral, all the angles are 60, this means that triangle PSR is an isosceles triangle. 180-90=90  90/2=45  60-45=15
B=15

Hope this helps :) 
6 0
3 years ago
Volume of a sphere <br> 10 inch radius
Setler79 [48]

Answer:

r≈1.34 and the volume is 10

Step-by-step explanation:

8 0
2 years ago
8y - 1 = x 3x = 2y Solve the system of equations by substitution. (1/33, 1/11) (1/11, 3/22) no solution coincident
Len [333]
Hello!

8y - 1 = x
3x = 2y

Put what x equals in the first equation in place of x in the second equatoin

3(8y - 1) = 2y

Distribute the 3

24y - 3 = 2y

Subtract 24y from both sides

-3 = -22y

Divide both sides by -22

y = 3/22

Now we put y into the first equation

8(3/22) - 1 = x

Multiply

12/11 - 1 = x

Subtract

1/11 = x

The answer is (1/11, 3/22)

Hope this helps!
3 0
3 years ago
What is the value of x in the equation cx+<br> (x + 12) = {<br> = (x + 14) – 3?
castortr0y [4]

Answer:

x= - 1/c

Step-by-step explanation:

8 0
3 years ago
What is the difference -2 1/4-(-3/4)=
sergeinik [125]

Answer:

Step-by-step explanation:

3/12

3 0
3 years ago
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