<em>Hi there!</em>
<em>This should be easy,lol!</em>
<em>Answer:</em>
<em /><em> (Decimal: -221.702503)</em>
<em /><em> (Decimal: 280.592231)</em>
<em /><em />
<em>Sorry bout the explanation thingy. Their really long -.-!</em>
<em>But the last one is short so i'll put it for you!</em>
<em>Step-by-step explanation:</em>
<em>∴!For the last one!∴</em>
<em /><em />
<em>Simplifies to:</em>
<em /><em />
<em /><em> </em>
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<em>Have a great day/night!</em>
X = number of hours traveled
Y = Total miles on the car
Y = 60x +45 000
for 13 hours
Y = 60(13) + 45 000
Y = 45 780
Answer: The value of x is 13 cm.
Explanation:
It is given that the length and width of the rectangle are 12 cm and 9 cm.
Use pythagoras to find the value of the diagonal.
It is given that the diagonal is labeled as 2x-11.
Divide both side by 2.
Therefore, x = 13cm.
Answer: 495 bacteria in 2 minutes.
Step-by-step explanation:
We would apply the formula,
y = ab^t
Where
a represents the initial amount of bacteria.
t represents the doubling time.
From the information given
a = 10
t = 15 seconds
Since after 15 seconds, the amount of bacteria multiplies by 2, then
y = 2 × 10 = 20
Therefore
20 = 10 × b^15
Dividing through by 10, it becomes
2 = b^15
Raising both sides of the equation by 1/15, it becomes
2^(1/15) = b^15/15
b = 1.047
The equation becomes
y = 10(1.047)^t
For t = 2 minutes(2 × 60 = 120 seconds), then
y = 10(1.047)^120
y = 495 bacteria
Just pretend f(x) is y bc they mean the same thing
Soo if x=-1
5(-1)-7=y
-5-7= -12