3 years ago

PLEASE ANSWER ASAP!!! THANK YOU!!! ONLY 3 QUESTIONS!!

1 answer:

4 0

For the each of them simply substitute for x in each equation to see if you get the corresponding y , it doesnt really get any more straightforward than this

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Solve x∕4 + y∕3 = 1 for x.

VladimirAG [237]

Answer:

D)x = 4∕3y – 4

Step-by-step explanation:

$\frac{x}{4} + \frac{y}{3} = 1$

$3x + 4y = 12$

$3x = 12 - 4y$

$x = 4 - \frac{4}{3} y$

7 0

3 years ago

Hello everyone I need some serious help!

vampirchik [111]

Step-by-step explanation:

1/2 the fourth answer :)

5 0

3 years ago

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Three times the difference of a number and nine.

Nikitich [7]

Answer:

3*x-9

Difference means subtraction and times means multiplication!

6 0

3 years ago

Simplify (4i)(–5i)(6i) –120 –120i(incorrect) 120i 120

professor190 [17]

Answer:

120i

Step-by-step explanation:

;i × i = -1....so hence

4i × (-5i) = -20 i^2...which is -20(-1) = 20....

then you multiply with 6i

20(6i) = 120i

4 0

4 years ago

Rewrite the expression in the form 9^n (9^3) (9^12)

BartSMP [9]

Answer:

${9}^{15}$

Step-by-step explanation:

$( {9}^{3} ) \times ( {9}^{12} ) = 9 {}^{3 + 12} = {9}^{15} \\$

5 0

3 years ago