Answer: -9 OR 15 (See explanation)
Step-by-step explanation:
Substitute 4 for t since t represents hours:
0.75t - 12 --> 0.75(4) - 12 =
3 - 12 =
-9
Something seems off, if you meant to put +12 instead of -12, then the answer is 15. Hope this helps, please consider making me Brainliest.
(x , y) = (7, - 1)
2x + 3y = 11 → (1)
3x + 3y = 18 → (2)
subtracting (1) from (2) term by term eliminates the y- term
(3x - 2x) + (3y - 3y) = (18 - 11)
x + 0 = 7 ⇒ x = 7
substitute x = 7 into either of the 2 equations and solve for y
(1) → (2 × 7) + 3y = 11
14 + 3y = 11
subtract 14 from both sides
3y = 11 - 14 = - 3
divide both sides by 3
= - 1
solution is (7 , -1)
Answer: 0
<u>Simplify both sides of the equation</u>
<u></u>
<u></u>
<u></u>
<u>Subtract 25z² from both sides</u>
<u></u>
<u></u>
<u></u>
<u></u>
<u></u>
<u>Add 15z to both sides</u>
<u></u>
<u></u>
<u></u>
<u></u>
<u></u>
<u>Subtract 2 from both sides</u>
<u></u>
<u></u>
<u></u>
Final Answer: 
<u></u>
Answer:
x=5/4
Step-by-step explanation:
Isolate x!
4x=5
x=5/4
X>-2 is the inequality graphed on the number line