Answer:
See the graph with both lines attached
A) From the tables we see the constant change of values in the second column and the initial value is zero.
This represents a proportional relationship for both tables.
B) Revel
Rate of change is 5 per hour, the equation is: y = 5x, where y is cost, x - is the number of hoursScooters
Rate of change is 6 per hour, the equation is: y = 6x, where y is cost, x - is the number of hoursC) When x = 12,
y = 5*12 = $60 for Revel y = 6*12 = $72 for ScootersD) The point (4, 24) represents that:
The cost of 4 hours is $24E) The second table has confusing titles (days and number of cell phones) but if we assume its same as the first table, then Revel has lower rate as 5 < 6.
Comparing the prices and the graph, Revel has better rate per hour.
to get the number of atoms in a formula ____ the total subscripts. Please help! Giving brainliest
Answer:
[tex]\huge\boxed{\sf Add}[/tex]
Step-by-step explanation:
To get the total number of atoms in a compound, we should add the subscripts to get the total number.
For example:
[tex]\sf C_6H_{12}O_6[/tex] (Glucose)
Add the subscripts of the compound:
=> 6 + 12 + 6 = 24
Hence, Glucose has 24 atoms in its compound.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807Answer:
Add
Step-by-step explanation:
What is the area of the base
If x +y = 14 and x - y = 6, then the product of 2
and y is equal to which of the following?
Answer:
40
Step-by-step explanation:
x+y=14
x-y=6
---------------------
x=-y+14
x-y=6
---------------------
Substitute:
-y+14-y=6
-2y+14=6
-2y=-8
y=4
x=-y+14
x=-4+14
x=10
---------------------
4•10=40
Please help with number 1,2,3 it will mean a lot !!
Answer:
1.
A=-6,-2 Q 3
B=3,1 Q 1
C=-3,4 Q 2
D=5,-3 Q 4
E=0,-6 Q 4
F=-4,0 Q 2
G=0,2 Q 1
H=7,0 Q 1
2. See 2nd pic
3. (6,0)
Step-by-step explanation:
1. See the first pic
2. Second pic
3.
2a-4b=12 Try the first set of pairs
2(1)-4(-3)=12 (2*1)-(4*-3)=12
2-(-12)=12 2-(-12)=14 This is incorrect
Now the second pair
2(0)-4(-1)=12
0-(-4)=12 This is incorrect
Next...
2(6)-4(0)=12
12-0=12 Yay! Its correct!
P.S I know the second pic is very blurry and I apologize, I couldn't show you how with a different graph
EMERGENCY PLEASE HELP!!
Consider the functions represented by the graph and table shown below.
The rate of change of the function in the graph is _____ that of the function in the table by _____ unit(s)
Blank 1 options: less than, or greater than
Blank 2 options: 1, or 2
Answer:
24 61.
Step-by-step explanation:
hope it helps you.
Mr. Armstrong went to Target to buy four pairs of dress socks. There was a 30% off sale
on the socks, and his total bill before tax was $14. What was the price of each pair of socks
before the sale?
Answer: $5
Step-by-step explanation:
We should note that since there was a 30% off sale, it means that he paid for 70% (100% - 30%) of the sales price.
Therefore, let the price of the socks be represented as x.
70% of x = 14
70/100 × x = 14
0.7 × x = 14
0.7x = 14
x = 14 / 0.7
x = 20
Therefore, the price of the socks was $20. Since there are 4 pairs, each pair will be:
= $20 / 4
= $5
what is seven squared as an exponetial expression
Answer:
7^2
Step-by-step explanation:
A ball is thrown into the air with an upward velocity of 44 ft/s. It’s height h in feet after t seconds is given by the function h=-16t^2 +44t+5. How long does it take the ball to reach its maximum height? What is the balls maximum height?
9514 1404 393
Answer:
1.375 seconds35.25 feetStep-by-step explanation:
A quadratic function y=ax^2 +bx +c is symmetric about the vertical line x=-b/(2a). That is the x-coordinate of the vertex (maximum or minimum).
Here, we have ...
h = -16t^2 +44t +5
t = -44/(2(-16)) = 11/8 = 1.375
It takes 1.375 seconds for the ball to reach its maximum height.
The height at that time is ...
h = (-16(11/8) +44)(11/8) +5 = (-22 +44)(11/8) +5 = 121/4 +5 = 141/4 = 35.25
The maximum height is 35.25 feet.
“Use the graph or table to write a linear function that relates y to x”
Answer:
8)y=2x-3
9)y= -1/2+4
Step-by-step explanation:
Find the value of x and y! Also their given relationship. Ty!
Answer:
x = 3, y = 30.4
Step-by-step explanation:
From the given diagram;
8x - 3 = 6x+3 (alternate exterior angle are equal)
Collect like terms
8x - 6x = 3 + 3
2x = 6
x = 6/2
x = 3
Also;
8x - 31 + 5y + 35 = 180 (sum of angle on a straight line is 180)
8(3) - 31 + 5y + 35 = 180
5y + 24 - 31 + 35 = 180
5y + 28 = 180
5Y = 180 - 28
5Y = 152
y = 152/5
y = 30.4
Hence x = 3, y = 30.4
Help please!!!! Question is in picture!!!!
Answer:
y=36degrees
Step-by-step explanation:
74+2y+34=180
2y+108=180
2y+108-108=180-108
2y=72
72/2
y=36degrees
Answer:
Step-by-step explanation:
Because these are supplementary angles they must have a sum of 180 degrees.
74+2y+34=180
2y+108=180
2y=72
y=36 degrees
You have $80 in your bank account each week plan to deposit $9 from your allowance and $25 from your paycheck. The equation b=80+(25+9)w gives the amount b in your account after w weeks. How many weeks from now will you have $315 in your bank account?
There will be $315 in the account after _weeks.
Five books and four pens cost $800. One book costs $120. How much does one pen cost?
please helpp meeeeeeeeeeeeeeeeer
Answer:
sinA = 12/13, cosA = 5/13, tanA = 12/5
sinB = 5/13, cosB = 5/13, tanB = 5/12
Step-by-step explanation:
Answer:
Step-by-step explanation:
Use SOH CAH TOA to recall how the trig functions fit on a triangle
SOH: Sin(Ф)= Opp / Hyp
CAH: Cos(Ф)= Adj / Hyp
TOA: Tan(Ф) = Opp / Adj
Sin(A) = 12/13
Sin(B) = 5/13
Cos(A) = 5/13
Cos(B) = 12/13
Tan(A) = 12/5
Tan(B) = 5/12
What integer would represent "32 degrees below zero"?
Answer:
-32
Step-by-step explanation:
Please give me branliest!
A bag contains an assortment of marbles.
3 marbles are swirled
8 marbles are striped
2 marbles are spotted
A marble will be randomly selected from the bag. What is the probability that the marble selected will NOT be a striped marble?
F 5/13
G 1/8
H 5/8
J 8/13
Answer:
5/13
Step-by-step explanation:
because the total of marbles is 13
take away the striped ones and u get 5/13
HELP ME OUT ASAP‼️‼️‼️
Need help ASAP!! What is the value of x?
Answer:
98
Step-by-step explanation:
the exterior angle is equal to the sum of the opposite interior angles
-Sumin <3
Answer:
98
Step-by-step explanation:
53+45+x = 180
53+45=98
180-98=82
82 (interior)
82+98=180
x = 98
A Ferris Wheel has a radius of 16 feet. How far will you travel if you take a ride that goes around 5 times? Round answer to the nearest hundredth and for pi use π = 22 7 .
Answer:
502.85 feet
Step-by-step explanation:
Given that,
The radius of a Ferris wheel, r = 16 feet
We need to find how far will you travel if you take a ride that goes around 5 times.
Distance = 5×2πr
So,
= 10πr
[tex]=10\times \dfrac{22}{7}\times 16\\\\=502.85\ \text{feet}[/tex]
So, the required distance is 502.85 feet.
Students in Ms. Singh's class had the following scores on their last quiz.
85, 83, 68, 77, 72, 95, 87, 75, 73, 55, 82, 85, 91, 86, 92, 78, 85, 86, 79, 82
Part A
What was the median score of Ms. Singh's 20 students?
Median =
The median score of Ms. Singh's 20 students is 82.5
What are mean and median?The mean is the average value which can be calculated by dividing the sum of observations by the number of observations
Mean = Sum of observations/the number of observations
A Median represents the middle value of the given data when arranged in a particular order.
We are given the Students in Ms. Singh's class had the following scores on their last quiz.
First, we have to arrange the given data in an ordered manner. Thus:
55, 68, 72, 73, 75, 77, 78, 79, 82, 82, 83, 85, 85, 85, 86, 86, 87, 91, 92, 95
The median = the average of the 10th and 11th data
Median = (82 + 83) ÷ 2
Median = 165 ÷ 2
Median = 82.5
Learn more about mean and median;
https://brainly.com/question/17060266
#SPJ2
Graph the equation.
y = 4(x + 6)(x+4)
Answer: thanks for posting an easy question that requires no skill or stress
Step-by-step explanation:
Factor.
X^2 - 11x + 28
Answer:
=(x-7)(x-4)
Explanation:
x^2-11x+28
x^2-7x-4x+28
(x^2-7x)+(-4x+28)
x(x-7)-4(x-7)
=(x-7)(x-4)
WILL GIVE BRAINLIEST!
As a result of depreciation, the value of a car is now $19,200. This is four-fifths of its original value. Find the original value of the car. $
Answer:
The original value of the car is $24,000
Step-by-step explanation:
Here, we want to calculate the original value of the car
Let the original value of the car be $x
Now, 4/5 of this value is $19,200
Mathematically, we have it that;
4/5 * x = 19,200
4x = 5 * 19,200
x = (5 * 19,200)/4
x = $24,000
A fancy watch was originally priced at $50 but went on sale for 20% off. If Ernesto bought
the fancy watch and paid 15% sales tax, how much did he pay in total?
Answer:
$46
Step-by-step explanation:
If Carla runs across the park along the diagonal instead of along the streets, how many yards of running will she save?
Answer:
how big is the park? 20 feet??? 50???? 80???
Is AQRS a right triangle? Why or why not?
A. No, AQRS is not a right triangle, because QS would have to be 2.23.
B. Yes, AQRS is a right triangle by the Pythagorean theorem.
C. No, AQRS is not a right triangle, because QS would have to be./89.
D. No, AQRS is not a right triangle, because QS would have to be 83.
Answer:
D i searched it up and thats what the answer is
Answer:
C. is the right answer.
Step-by-step explanation:
by using pythagoras theorem which is:
C^2=a^2+b^2
the square root of 5 is 25
and the square root of 8 is 64
C^2=25+64
C^2=89
now get rid of the square
C=the square root of 89
Plot three points on the graph of function f. f(x)=–3(x - 2)^2 + 1
Answer:
Step-by-step explanation:
x | y
-4 | 13
-3 | 4
-2 | 1
-1 | 4
0 | 13
Chris wrote a equation and the first step of his solution process, as shown. what math operation did Chris apply in his first step
Patrick usually drinks 90 ounces of water each day. On Saturday, he spent the day out on the boat so decided to drink 140 ounces of water. What is the percent increase
Answer:
5555.55556
Step-by-step explanation:
a% over 100 and 50 over 90
Find the value of X and the value of Y.
A) x=9, y=18 square root 2
B) x=18, y=18
C) x=9 square root 2, y=18 square root 2
D) x=9 square root 3, y=18
Given:
A figure of a triangle.
To find:
The values of x and y.
Solution:
From the given triangle it is clear that the base angles of the triangle are equal, so the triangle is an isosceles triangle.
Altitude on the base of the isosceles triangle from from the opposite angle is a median. It means, it divides the base in two equal parts.
In the given triangle, the altitude divides the base in two equal parts and the measure of each part is 9 units.
In a right triangle,
[tex]\cos \theta=\dfrac{Base}{Hypotenuse}[/tex]
[tex]\cos 60^circ=\dfrac{9}{y}[/tex]
[tex]\dfrac{1}{2}=\dfrac{9}{y}[/tex]
[tex]1\times y=9\times 2[/tex]
[tex]y=18[/tex]
And,
[tex]\tan \theta=\dfrac{Perpendicular}{Base}[/tex]
[tex]\tan 60^\circ=\dfrac{x}{9}[/tex]
[tex]\sqrt{3}=\dfrac{x}{9}[/tex]
[tex]9\sqrt{3}=x[/tex]
Therefore, the correct option is D.
Answer:
D.
Step-by-step explanation: