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3 years ago

7

Please help i don't understand Rx=1 (Q)= ___

1 answer:

tankabanditka [31]3 years ago

3 0

i think is q or d because they have more numbers

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Y=3x\4 make x the subject of the formula

grin007 [14]

Answer:

x = 4y/3

Step-by-step explanation:

y = 3x/4

Multiply both sides by 4.

4y = 3x

Divide both sides by 3.

x = 4y/3

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2 years ago

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Complete the solution of the equation find the value of y when x equals 2. -8x - 5y = -1

tatuchka [14]

Answer: y = -3

<u>Step-by-step explanation:</u>

-8x - 5y = -1

<u>+8x </u> <u>+8x </u>

-5y = 8x - 1

<u> ÷-5 </u> <u> ÷-5</u> <u>÷-5</u>

y = $-\frac{8}{5}x + \frac{1}{5}$

y(2) = $-\frac{8}{5}(2) + \frac{1}{5}$

= $-\frac{16}{5} + \frac{1}{5}$

= $-\frac{15}{5}$

= -3

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3 years ago

How to make this y=21x-7 into standard form

Galina-37 [17]

The standard form is 21x-y-7=0

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3 years ago

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ludmilkaskok [199]

Answer:

-2/9

Step-by-step explanation:

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3 years ago

nasty-shy [4]

Answer:14

Step-by-step explanation:

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