HELP PLSS WHICH ONE IS IT!!Question 7 (3.03): Use the graph representing bacteria decay to estimatethe domain of the function and solve for the average rate of change across
the domain.
Answers
Answer:The domain of a function is the set of input values of the function.
The domain of the function is: [0,18]
The average rate of change across the domain is -3.33
Step-by-step explanation:From the graph, we have the following highlights.
The graph starts from the origin
The graph ends at x = 18
So, the domain of the function is: [0,18]
The average rate of change is calculated as:
From the graph, we have:
So, we have:
This gives
Hence, the average rate of change across the domain is -3.33
Read more about exponential functions at:
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The measure of an angle is 4y. find the measure of its complement.
12 weeks
b.
13 weeks
c.
14 weeks
d.
15 weeks
Answers
It take him to save at least $4,800 is 14 weeks.
Option (C) is correct.
To find the time it take him to save at least $4,800.
What is arithmetic?
The branch of mathematics dealing with the properties and manipulation of numbers.
Given that :
22 hours / week
1 hour = $15.80
So, if he works 22 hours per week he take total home pay is
=22 * 15.80
= $347.60
This means that he makes $347.60 per week.
If it take him to save at least $4,800 then
=4,800 divided by 347.60 is 13.8089758343
In decimal can't have 0.8 of a week, so round up. This means it will take him about 14 weeks.
So, it take him to save at least $4,800 is14 weeks.
Learn more about arithmetic here:
#SPJ6
1 hr = $15.80
22 * 15.80 = $347.60
This means that he makes $347.60 per week.
4,800 divided by 347.60 is 13.8089758343
You can't have 0.8 of a week, so round up. This means it will take him about c, 14 weeks.
Answers
Answer-3
2*3=6
6*3=18
-Steel jelly
Answer: The scale factor of the dilation =3
Step-by-step explanation:
We know that if we transform point (x,y) by using dilation with scale factor k then the coordinate of the image will be (kx,ky).
Given: under a dilation, the point (2, 6) is moved to (6, 18)
Here (x,y)=(2,6) and (kx,ky)=(6,18)
Hence, the scale factor for the given dilation= 3.
3x + 5 = 5x – 9
Answers
Answer:
x=7
Step-by-step explanation:
26 + (–3) ∙ (–8)
a. –184
b. –2
c. 2
d. 50
Answers
Answers
introduced to a little bit of trigonometry. Or at least you've seen the
definitions of the trig functions of angles.
Do you remember the definition of either the sine or the cosine of an angle ?
In a right triangle, the sine of an acute angle is (opposite side) / (hypotenuse),
and the cosine of an acute angle is (adjacent side) / (hypotenuse).
Maybe you could use one of these to solve this problem, but first you'd need to
make sure that this is a right triangle.
Let's see . . . all three angles in any triangle always add up to 180 degrees.
We know two of the angles in this triangle ... 39 and 51 degrees.
How many degrees are left over for the third angle ?
180 - (39 + 51) = 180 - (90) = 90 degrees for the third angle.
It's a right triangle ! yay ! We can use sine or cosine if we want to.
Let's use the 51° angle.
The cosine of any angle is (adjacent side) / (hypotenuse) .
'BC' is the side adjacent to the 51° angle in the picture,
and the hypotenuse is 27 .
cosine(51°) = (side BC) / 27
Multiply each side of that equation by 27 :
Side-BC = (27) times cosine(51°)
Look up the cosine of 51° in a book or on your calculator.
Cosine(51°) = 0.62932 (rounded)
Side BC = (27) x (0.62932) = 16.992 (rounded)
============================================
You could just as easily have used the sine of 39° .
That would be (opposite side) / (hypotenuse) ... also (side-BC) / 27 .
B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5
C. Translation (x,y) -> (x+4, y+2), followed by dilation centered at Q
D. Dilation (x+y) -> (3/5x, 3/5y), followed by dilation centered at P
E. Reflection over x-axis followed by rotation of 270 degrees
Answers
Answer:
B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5
Step-by-step explanation:
Circle P.
Centerat (-1, 2).
Radius of 3.
Circle Q.
Center at (3, 4).
Radius of 5.
To carry one circle onto the other, their centers and radius must be the same.
So, circle P must be shifted from (-1, 2) to (3, 4), that means the translation is 4 units to the right side and two units upside, this is the first transformation.
The second transformation must be about stretching the circle P, from a radius of 3 to a radius of 5.
Therefore, the right answer is B.
Answer: Option b and Option c