Answers
Answer:
First option (top left)
Step-by-step explanation:
Since the coefficient of this equation, [tex]2(3)^{x}[/tex], is 2, when x is 0, then y must be 2. The graph must have a y-intercept of 2. You can find this by plugging this in.
I cannot see the fourth graph, but the second graph does not have a y-intercept of 2, therefore it can immedeately be ruled out.
Then we plug in the coordinates they give.
It just so happens that the first one, [tex]2(3)^1[/tex] is indeed equal to 6.
We can check that this is right by disproving the third one (top right).
[tex]2(3)^2=18[/tex], not 8, therefore our third answer choice is false.
The fourth one is definetly wrong because the y-value at x=2 (as we have already calculated) is 18, not 12.
Therefore, our first answer, the one on the top left, is correct.
note: for this problem you did not even need to find the y-intercepts. Plugging in the coordinates would be fine by its own (the second answer choice is already wrong just because of the coordinates since 9≠6(found in answer choice 1)). However, having the y-intercept handy will be very helpful if there is more than one answer choice with correct coordinates.
Related Questions
1. The original price of the table was $250. Jane bought it on sale for $200.
How much did she save?
What percent of the original price did she save?
Answers
She saved 20%.
The price of the table was 250 and she bought it for 200, meaning 1/5 of the original price was marked off. 1/5 = 20% which means it was 20% off the original price.
Find the equation of the line with slope of 2 passing through (3,1)
please
Answers
When factoring the equation 9x2+9x+2 what two numbers will the "9x" term be broken into?
Answers
Answer:
it will be broken into 9*what ever x is
Hope This Helps!!!
Answer:
9×x
Step-by-step explanation:
18+9x+2
20+9×x
that means 9 and x
Find the EXACT distance between the two points.
(9, 31) and (12, 25)
Answers
Step-by-step explanation:
the distance between 2 points is the Hypotenuse of a right-angled triangle. its legs are the x and y coordinate differences.
and so, we can use Pythagoras
c² = a² + b²
with c being the Hypotenuse, and a, b being the legs.
so,
the x difference is 9-12 = -3
the y difference is 31-25 = 6
therefore,
distance² = (-3)² + 6² = 9 + 36 = 45
distance = sqrt(45) = 6.708203932...
Please help, its Geometry
Answers
Hope it helps just read it and type it in XD
hlo preparation for exam help with this question?? °_*!
If p/q=q/r then prove that
p3+q3+r3=(1/p3+1/q3+1/r3)p2q2r2
Answers
Hope you could get an idea from here.
Doubt clarification - use comment section.
The equation [tex]p^3+q^3+r^3=(\frac{1}{p^3}+\frac{1}{q^3}+\frac{1}{r^3})p^2q^2r^2[/tex] has been proved to be true
The equation is given as:
[tex]\frac pq = \frac qr[/tex]
Cross multiply
[tex]pr = q^2[/tex]
Rewrite as:
[tex]q^2 = pr[/tex]
Also, we have:
[tex]p^3+q^3+r^3=(\frac{1}{p^3}+\frac{1}{q^3}+\frac{1}{r^3})p^2q^2r^2[/tex]
Substitute [tex]q^2 = pr[/tex]
[tex]p^3+q^3+r^3=(\frac{1}{p^3}+\frac{1}{q^3}+\frac{1}{r^3})p^3r^3[/tex]
Expand
[tex]p^3+q^3+r^3=\frac{1}{p^3} \times p^3r^3 +\frac{1}{q^3} \times p^3r^3 +\frac{1}{r^3} \times p^3r^3[/tex]
Simplify
[tex]p3+q3+r3=r^3 +\frac{1}{q^3} \times p^3r^3 + p^3[/tex]
Rewrite as:
[tex]p3+q3+r3=r^3 +\frac{1}{q^3} \times (pr)^3 + p^3[/tex]
Substitute [tex]pr = q^2[/tex]
[tex]p3+q3+r3=r^3 +\frac{1}{q^3} \times (q^2)^3 + p^3[/tex]
[tex]p3+q3+r3=r^3 +\frac{1}{q^3} \times q^6 + p^3[/tex]
Divide q^6 by q^3
[tex]p3+q3+r3=r^3 +q^3 + p^3[/tex]
Rewrite the equation as:
[tex]p3+q3+r3=p^3 +q^3 + r^3[/tex]
Hence, the equation has been proved
Read more about equations at:
https://brainly.com/question/13729904
If 21 and 35 are two members of a Pythagorean triple, what is the third member?.
Answers
The third member of the Pythagorean triple is 28 and this can be determined by using the Pythagorean theorem.
Given :
21 and 35 are two members of a Pythagorean triple.
The following steps can be used in order to determine the third member of the Pythagorean triple:
Step 1 - The Pythagorean theorem can be used in order to determine the third member of the Pythagorean triple.
[tex]H^2 = P^2+B^2[/tex]
where the hypotenuse is H, the perpendicular is P, and the base is B of the right-angle triangle.
Step 2 - Now, substitute the value of H and P in the above expression in order to determine the value of 'B'.
[tex]35^2 = 21^2+B^2[/tex]
Step 3 - Simplify the above expression.
[tex]B^2= 784[/tex]
[tex]B = 28[/tex]
So, the third member of the Pythagorean triple is 28.
For more information, refer to the link given below:
https://brainly.com/question/21149612
Evaluate –10 • x • 5 when x = –1.
–50
–15
6
50
Answers
Are the figures below similar?
NO LINKS!! NEED ANSWER ASAP
Answers
Answer:
no
Step-by-step explanation:
Factor 18r+12s. Write your answer as a product with a whole number greater than 1.
Answers
Answer:
6(3r + 2s)
Step-by-step explanation:
Find the gcf of 18 and 12, then divide both and put it inside the parentheses.
what is the answer of 3125 ÷ 25 and show how you got the answer
Answers
Answer:
125
Step-by-step explanation:
because 3125 divided 25 equals 125.
how do you want me to show you how i divided?
Answer:
125 is the answer, you can check this by simply multiplying 125 by 25, which will give you 3125.
Step-by-step explanation:
What is the equation of the line that passes through the point(-6,-5) and has a slope of -1/2
Answers
Answer:
y=-1/2x-8
Step-by-step explanation:
y-y1=m(x-x1)
y-(-5)=-1/2(x-(-6))
y+5=-1/2(x+6)
y=-1/2x-6/2-5
y=-1/2x-3-5
y=-1/2x-8
A musician has just purchased a theremin — an instrument that can be played by moving your hands in the air. For every 30 centimeters that she moves her hand away from the theremin’s antenna, the pitch of the theremin’s sound drops 500 hertz. By how many hertz does the pitch drop for every meter that she moves her hand away?
Answers
Answer:
1665 hertz
Step-by-step explanation:
30 x 3.33 = 1 (1 meter) so 500 x 3.33 = 1665 (1 meter of movement)
Which rectangle is similar to a rectangle with length of 12 yards and 23 yards?
a rectangle with length 14 yards and 13 yards
a rectangle with length 14 yards and 25 yards
a rectangle with length 2 yards and 3 yards
a rectangle with length 212 yards and 223 yards
Answers
Answer:
a rectangle with 2 yards and 3 yards
Step-by-step explanation:
12 yards and 23 yards
x and 2x - 1
------------------------------------
2 and 3 = x and 2x - 1
2 and 2(2) - 1 = 2 and 3
I might be wrong.
help please i dont want to fail
Answers
PLEASE ANSWER FAST....Which expressions have a value equal to or greater than 13?
I WILL MARK BRAINLIEST
Answers
Answer: D and B
Step-by-step explanation:
D: 10/10 can be simplified to 1/1, or 1. 1 times 13 is equal to 13.
B: 4 x 13 is simply 52.
Hope this helps!
A. 5/6 x 13 = 10.83
B. 4 x 13 = 52
C. 3/4 x 13 = 9.75
D. 10/10 (1) x 13 = 13
B. 4 x 13 & D. 10/10 (1) x 13 are your answers.
Which graph shows a negative acceleration?
Answers
Answer:
Second Graph.
Explanation:
It's the only graph that is concave down and the slope is decreasing.
I don't know what to do
Answers
Answer:
See answer below.
Step-by-step explanation:
P(v) = -4v³ + 12v² - 9v
Point (-5, -845) is not a point on the graph
P(-5) = -4(-5)³ + 12(-5)² - 9(-5)
P(-5) = 500 + 300 + 45
P(-5) = 800 + 45
P(-5) = 845 point (-5, 845) is a solution
The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $5500 to rent trucks plus an additional fee of $125.25 for each ton of sugar. The second company charges 3691 to rent trucks plus an additional fee of 225.75 for each ton of sugar.
For what amount of sugar do the two companies charge the same?
What is the cost when the two companies charge the same?
Answers
100.25x = 2005
x=20 <- the amount of sugar at the equilibrium point.
7500 + 100.50(20)
7500 + 2005
$9505 <- the cost at that point. ■
Define Rational number? And give some examples..
Answers
Answer:
Any number that can be written as a fraction with integers is called a rational number . For example, 17 and −34 are rational numbers. (Note that there is more than one way to write the same rational number as a ratio of integers. For example, 17 and 214 represent the same rational number.)
Order the expressions by choosing >,<,or =
Answers
Answer:
==<Step-by-step explanation:
The applicable rules of exponents are ...
(a^b)(c^b) = (ac)^b
(a^b)(a^c) = a^(b+c)
__
1. 3^3 × 5^3 = (3×5)^3 = 15^3 . . . . equal
2. 3^5 × 3^3 = 3^(5+3) = 3^8 . . . . equal
3. 3^5 × 5^3 = 3^5 × (5^(5 -2) = (3^5 × 5^5) × 5^(-2)
= 15^5 × 5^-2 < 15^15 . . . . less than
_____
Additional comment
Your calculator can evaluate these expressions so you can see their relationships.
Solve the Math problem
Answers
Answer:
1. Becky, 2. No one, 3. Brian and Carol, 4. Tom, 5. Jake
Step-by-step explanation:
The order has to be Brian, Tom, Jake, Becky, and Carol.
1. Becky
2. No one
3. Brian and Carol
4. Tom
5. Jake
PLEASE HELP ME!!!!!!!
Answers
Answer:
x=6
Step-by-step explanation:
hope this helps! :D
have a miraculous day!! <3
Classify each of the following expressions by selecting the polynomial type.
9xy5
A)monomial
B)binomial
C)trinomial
D)polynomial
Answers
Answer:
i dont know just need points
Step-by-step explanation:
I NEED HELP WITH MATH PLEASEEE??!
Answers
Answer:
y = -x +2
Step-by-step explanation:
The slope can be found from the slope formula:
m = (y2 -y1)/(x2 -x1)
m = (6 -5)/(-4 -(-3)) = 1/-1 = -1
The y-intercept can be found from ...
b = y -mx
b = 5 -(-1)(-3) = 2
The slope-intercept equation for the line is ...
y = mx +b
y = -x +2 . . . . use the values of m and b we found
WILL GIVE BRAINLIEST!
what are the values of a and b so the system of equations has infinitely many solutions?
y= -1/2x+b
y= ax + 15
Answers
Answer:
a: -1/2
b: 15
Step-by-step explanation:
A system that has infinite solutions is the same line on top of itself.
Hope that helps
Scuba Steve dove to -20 meters to view the coral. He then ascended 12 meters before he paused to take in the sights of the beautiful fish. At what depth did he pause to see the fish? Write your answer as an integer.
Answers
Answer:
-8
Step-by-step explanation:
solve for x and y show work please Y:______ X:_____
Answers
Answer:
the image was not clear....hope the values are correct
Answer is in the attached file.
Betty earned $159 by selling 75 Each bracelet was the same price about how much did each bracelet cost estimate the cost of each bracelet what compatible numbers did you use
Answers
Answer:
2$ compatible numbers are 200 and 100
Step-by-step explanation:
what is the constant proprotionality in the equation y =7x
Answers
Answer:
7
Step-by-step explanation:
y=kx is the general formula for direct proportion where k is the constant. In your equation instead of k there is 7 so 7 is the constant.
