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Aleks [24]
3 years ago
12

8x - 1 - 9x I don’t understand

Mathematics
1 answer:
Ivan3 years ago
5 0
-x-1
all you do is subtract 9x from 8x.

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Solve for x.<br><br> (8x+1)=(21x+5)
MrRissso [65]

Answer:

-4/13

Step-by-step explanation:

3 0
2 years ago
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Someone help me with this ?
musickatia [10]
\dfrac a 2 = \dfrac b 3

\dfrac 3 2 = \dfrac b a

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5 0
3 years ago
The value of y varies jointly with the values of x and z When x = 4 and z = 10, the value of y is 360.
Igoryamba

Answer:

A

Step-by-step explanation:

Joint variation is given by:

y=kxz

Where k is some constant.

We are given that y = 360 when x = 4 and z = 10. Therefore:

360=k(4)(10)

Solving for k:

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y=9xz

Then when x = 5 and z = 12:

y=9(5)(12)=540

The answer is A.

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