ANSWER
a=9
EXPLANATION
The given quadratic equation is
If x=1 is a solution, then it must satisfy this equation:
Therefore the value of 'a' is 9
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<u>EXPLA</u><u>NATION</u><u>:</u></h2>
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<u>HOPE</u><u> IT</u><u> HELPS</u><u> YOU</u>
<u>CAN</u><u> </u><u>YOU</u><u> BRAINLEST</u><u> ME</u>
Answer:Use math-way go quick and easy answers without step by step explanations, and use math-soup-calculator for step by step explanation
Step-by-step explanation 50%
Answer: Nice!
Step-by-step explanation:
Cause Nice!
Answer:
D
Step-by-step explanation:
Hi there!
We're given the equation y=-75x-50, which represents a submarine DESCENDING towards the ocean floor, where y is the depth in feet, and x is the number of minutes the submarine is descending
Since the submarine is DESCENDING, we can immediately eliminate A and C, which talk about the submarine ASCENDING
That leaves B and D
Looking at the given equation, y=-75x-50, -75 is the slope, or rate of change, and -50 is the y intercept, or the "beginning" (where the equation will "start")
Therefore, the submarine will start at -50 feet, or 50 feet below sea level
As x is the number of minutes the submarine is descending, that means that if the submarine travels 1 minute, it will descend 75 feet (-75*1=-75), at 2 minutes, it'll descend 150 feet (-75*2=-150), and so on
So that means the submarine must be descending at a rate of 75 feet per minute
Therefore D is the correct answer
Hope this helps! Good luck on your assignment :)
