Answers
Answer:
a). Function is not a quadratic function
b). Quadratic function.
Step-by-step explanation:
1.a). x y Ist difference IInd difference
-2 -1 - -
-1 0 0 - (-1) = 1 -
0 4 4 - 0 = 4 [tex]d_1[/tex] = 4 - 1 = 3
1 9 9 - 4 = 5 [tex]d_2[/tex] = 5 - 4 = 1
2 15 15 - 9 = 6 [tex]d_3[/tex] = 6 - 5 = 1
Since, 2nd difference [tex]d_1[/tex], [tex]d_2[/tex] and [tex]d_3[/tex] from the table are not common, function represented by the table is not a quadratic function.
b). -3x²+ x = y - 11
-3x² + x + 11 = y
y = -3x² + x + 11
Since, the highest degree term of the given function is of 2nd degree given function is a quadratic function.
Related Questions
How much of the circle is shaded? simply your answer
Answers
Answer:
The part that is shaded is 5/14
Step-by-step explanation:
The total circle is 1
1/2 + 1/7 + x = 1 where x is the shaded area
Multiply each side by 14 to get rid of the fractions
14(1/2 + 1/7 + x) = 1*14
7 + 2 + 14x = 14
9+14x = 14
Subtract 9 from each side
14x = 5
Divide by 14
x = 5/14
The part that is shaded is 5/14
Solve the inequality. A. >> O B. x >7 C. x>-5 ) D. x
Answers
Answer:
A. [tex] x > \dfrac{7}{3} [/tex]
Step-by-step explanation:
[tex] 8(\dfrac{1}{2} x - \dfrac{1}{4}) > 12 - 2x [/tex]
Distribute the 8 on the left side.
[tex] 4x - 2 > 12 - 2x [/tex]
Add 2x to both sides. Add 2 to both sides.
[tex] 6x > 14 [/tex]
Divide both sides by 6.
[tex] x > \dfrac{14}{6} [/tex]
Reduce 14/6 by dividing the numerator and denominator by 2.
[tex] x > \dfrac{7}{3} [/tex]
The following data points represent the volume of gas in each race car driver's tank (in liters). Sort the data from least to greatest. Find the interquartile range (IQR) of the data set. \text{L}Lstart text, L, end text \text{L}Lstart text, L, end text
Answers
Answer:
its \text{L}Lstart text, L, end text
Step-by-step explanation:
The sorting of the dataset and the information from the five number summary, which includes the three quartiles and the minimum and maximum values indicates that we get;
1. 2.8, 4, 4.3, 6, 7.5, 8.5, 9, 11.6, 12, 12.1
2. The interquartile range is; 7.745
What is the five number summary of interquartile range of a data set?The five number summary includes the first, second and third quartiles, Q₁, Q₂, and Q₃, and maximum and minimum values of the dataset, which serves to describe the characteristics of the data.
here, we have,
1. The sorted data from least to greatest can be presented as follows;
2.8, 4, 4.3, 6, 7.5, 8.5, 9, 11.6, 12, 12.1
Therefore, the original data in the question is already sorted from least to the greatest
2. The interquartile range, IQR, is the the difference between the third quartile, Q₃, and the first quartiles, Q₁, of the data.
IQR = Q₃ - Q₁
The dataset indicates that we get;
The number of datapoints in the dataset, n = 10
The first quartile = The (N + 1)/4 percentile value
First quartile, Q₁ = (10 + 1)/4 × 10 = The 2.75th value
The 2.75th value is the value 0.75 = 3/4 larger than the 2nd value, which can be found as follows;
Q₁ = The 2.75th value = 4 + (4.3 - 4) × (3/4) = 4.225
The third quartile, Q₃ = The (N + 1) × (3/40th value, therefore;
Q₃ = The (10 + 1) × (3/4)th value = The 8.25th value (The value 0.25th more than the 8th value )
Q₃ = 11.6 + (12 - 11.6) × 0.25 = 11.7
The interquartile range, IQR = 11.7 - 4.225 = 7.475
The interquartile range = 7.475
Learn more on the interquartile range of a dataset here: brainly.com/question/13119591
#SPJ7
Complete question:
The following data points represent the volume of gas in each race car driver's tank (in liters).
Answer 2 questions about the data set.
1. Sort the data from least to greatest.
2.8
4
4.3
6
7.5
8.5
9
11.6
12
12.1
2. Find the interquartile range (IQR) of the data set.
L
Identify the error in each problem. Explain each error and provide the correction solution. Use at least two complete sentences. PLEASE SOMEONE HELP QUICK ITS DUE TOMORROW AND I WILL MARK YOU BRAINLIEST
Answers
Answer:
the mistake is the addition sign. When a number is next to a parenthesis it means multiplication
Jacki evaluated the expression below. 2 cubed (3 minus 1) + 4 (8 minus 12) = 2 cubed (2) + 4 (4) = 8 (2) + 16 = 16 + 16 = 32. What was Jacki’s error? Jacki should have simplified the exponent first. Jacki should have multiplied 4 and 8 first. Jacki did not subtract 12 from 8 correctly. Jacki should not have multiplied
Answers
Answer:
jacki did not subtract 8 minus 12 properly.8 minus 12 equals -4
Answer:
its c
Step-by-step explanation:
on edunuity
if a cubic container has a side length of 50.0cm, what is the volume in liter?
Answers
Answer:
The answer is
125 litresStep-by-step explanation:
To find the volume in liter we must first find the volume in cm³
Since the container is cubic
Volume = l³
where l is the length of one side
From the question
l = 50.0 cm
Volume = 50³
= 125000 cm³
Next we use the conversion
1cm³ = 0.001 L
If 1 cm³ = 0.001 L
Then 125,000 cm³ = 125,000 × 0.001 L
We have the final answer as
125 litresHope this helps you
Using the volume of a cube, and conversion of units, it is found that the volume of the cube is of 125 liters.
---------------------
The volume of a cube of side s is given by:
[tex]V = s^3[/tex]
---------------------
Side length of 50cm means that [tex]s = 50[/tex].Thus, the volume, in cubic centimetres, is given by:
[tex]V = 50^3 = 125000[/tex]
---------------------
To convert the volume from cubic centimetres to liters, it is divided by 1000.Then:
[tex]\frac{125000}{1000} = 125[/tex]
The volume of the cube is of 125 liters.
A similar problem is given at https://brainly.com/question/23514867
A baseball pitcher has pitched 89 innings. What is the number of innings written as a decimal?
3
2
The number of innings 89 written as a decimal is
Answers
Answer:
I think its 0.89
Step-by-step explanation:
3/4 x - 1/2 - 4 = 12
Answers
Answer: x=22
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
Step 2: Add 9/2 to both sides.
Step 3: Multiply both sides by 4/3.
Anyone can help me?
Answers
Answer:
see the work pictured please
Find the factors of the following numbers.
a) 15
b) 22
c) 34
d) 45
e) 50
Answers
Answer:
1,3,5,15
1,2,11,22
1,2,17,34
1,3,5,9,15,45
1,2,5,10,25,50
Step-by-step explanation:
Hope it will help u
Which expression has the same value as -18-(-9)?
0 - 18+2
-12-(-3)
- 1945
O-8-(-4)
Answers
Answer:
the answer is -12-(-3)
Step-by-step explanation:
The expression equivalent to -18-(-9) is -12-(-3)
What are expressions?An expression in maths is a sentence with a minimum of two numbers or variables and at least one maths operation.
Given is an expression, -18-(-9), we are given to find the expression equivalent to it,
-18-(-9) = -18+9 = -9
1) -18+2 = -16 (not equivalent)
2) -12-(-3) = -12+3 = -9
Therefore, we see, the value of expressions -12-(-3) and -18-(-9) are equivalent,
Hence, the expression equivalent to -18-(-9) is -12-(-3)
For more references on expressions, click;
https://brainly.com/question/14083225
#SPJ2
find 3+root 2/3-root 2=a+b root2
Answers
Answer:
a = [tex]\frac{11}{7}[/tex] ; b = [tex]\frac{6}{7}[/tex]
Step-by-step explanation:
[tex]\frac{3 + \sqrt{2}}{3 - \sqrt{2} } = a + b\sqrt{2} \\\\[/tex]
Rationalising [tex]\frac{3 + \sqrt{2}}{3 - \sqrt{2} }[/tex] gives :-
[tex]\frac{3 + \sqrt{2}}{3 - \sqrt{2} } = \frac{(3 + \sqrt{2})(3 + \sqrt{2})}{(3 - \sqrt{2})(3 + \sqrt{2}) } = \frac{(3 + \sqrt{2})^2}{3^2 - (\sqrt{2})^2 } = \frac{11 +6\sqrt{2} }{7}[/tex]
Comparing [tex]\frac{11 + 6\sqrt{2} }{7}[/tex] with [tex]a + b\sqrt{2}[/tex] gives
a = [tex]\frac{11}{7}[/tex] & b = [tex]\frac{6}{7}[/tex]
Answer:
[tex]\frac{11}{7}[/tex] + [tex]\frac{6}{7}[/tex] [tex]\sqrt{2}[/tex]
Step-by-step explanation:
Given
[tex]\frac{3+\sqrt{2} }{3-\sqrt{2} }[/tex]
Multiply the numerator/ denominator by the conjugate of the denominator.
The conjugate of 3 - [tex]\sqrt{2}[/tex] is 3 + [tex]\sqrt{2}[/tex] , thus
= [tex]\frac{(3+\sqrt{2})(3+\sqrt{2}) }{(3-\sqrt{2})(3+\sqrt{2}) }[/tex] ← expand numerator/ denominator using FOIL
= [tex]\frac{9+6\sqrt{2}+2 }{9-2}[/tex]
= [tex]\frac{11+6\sqrt{2} }{7}[/tex]
= [tex]\frac{11}{7}[/tex] + [tex]\frac{6}{7}[/tex] [tex]\sqrt{2}[/tex] ← in the form a + b[tex]\sqrt{2}[/tex]
with a = [tex]\frac{11}{7}[/tex] and b = [tex]\frac{6}{7}[/tex]
how do you solve (5^{2} - 1) ÷ 6
Answers
[tex]( {5}^{2} - 1) \div 6 = [/tex]
[tex](25 - 1) \div 6 = [/tex]
[tex]24 \div 6 = 4[/tex]
Note:
Do the square first, and then you do mathematic operation between the parentheses. And, then do the
mathematic operation in the outside of parentheses.
Thank you.
Answer:
4Step-by-step explanation:
[tex]\left(5^2-1\right)\div \:6\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(5^2-1\right)\::\quad 24\\=24\div \:6\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:24\div \:6\:\\:\quad 4[/tex]
A rock is dropped off the edge of a cliff and its distance s (in feet) from the top of the cliff after t seconds is s(t) = 16t2. Assume the distance from the top of the cliff to the water below is 96 ft.
A) When will the rock strike the water?
B) Make a table of average velocities and approximate the velocity at which the rock strikes the water.
Answers
Answer:
A) 2.45 seconds
B)[tex]\begin{center}\begin{tabular}{ c c}\bold{Average Velocity} & \bold{Velocity at strike of water} \\ 39.18 & 78.4 \\ \end{tabular}\end{center}[/tex]
Step-by-step explanation:
Distance [tex]s[/tex] (in feet) from the top of cliff after [tex]t[/tex] seconds when a rock is dropped off the edge of a cliff is given as:
[tex]s(t)=16t^2[/tex]
Distance from the top of cliff to water = 96 ft
To find:
A) When will the rock strike the water
i.e. The time taken by the rock to travel the distance of 96 ft.
B) Table of Average Velocity and approximate velocity at which the rock strikes the water ?
Solution:
A) Given that distance traveled = 96 ft
To find the value of [tex]t[/tex]
Putting the value of [tex]s[/tex] in formula: [tex]s(t)=16t^2[/tex] to find [tex]t[/tex]:
[tex]96 = 16t^2\\\Rightarrow t^2=6\\\Rightarrow \bold{t = 2.45\ sec}[/tex]
B) The velocity at which the rock hits the water:
We need to differentiate [tex]s(t)[/tex] w.r.to [tex]t[/tex] in order to find the velocity at any instant.
[tex]s'(t) =\dfrac{d}{dt}s(t) = \dfrac{d}{dt}(16t^2)\\\Rightarrow v = 2\times 16t^{(2-1)}\\\Rightarrow v = 32t[/tex]
The time taken to reach the water is 2.45 seconds.
Putting [tex]t[/tex] = 2.45 seconds to find the velocity:
[tex]v = 32\times 2.45 = 78.4\ ft/sec[/tex]
Average velocity is given as total distance traveled and total time taken.
[tex]\text{Average Velocity = }\dfrac{\text{Total Distance traveled}}{\text{Total Time Taken}}[/tex]
[tex]\text{Average Velocity = }\dfrac{96}{2.45}\\\text{Average Velocity = 39.18\ ft/s}[/tex]
[tex]\begin{center}\begin{tabular}{ c c}\bold{Average Velocity} & \bold{Velocity at strike of water} \\ 39.18 & 78.4 \\ \end{tabular}\end{center}[/tex]
What is an algebraic equation?
Answers
Answer:
algebraic equation is an equation of the form
What is the solution to this equation?
X-9 = 17
O A. x = 28
O B. x = 12
O c. x = 8
O D. x = 26
Answers
Answer:
Step-by-step explanation:
x - 9 = 17
x = 26
the answer is D
Factorise
a) 2ax + 6ay
Answers
Answer:
2a(x + 3y)
Step-by-step explanation:
2ax + 6ay
factor out a 2a
2a(x + 3y)
2a(x + 3y)
NEED HELP ASAP
given m||n find the value of x
Answers
The alternate interior angle theorem states that when two parallel lines are cut by a transversal, the resulting alternate interior angles are congruent.
This means that [tex]6x-8=5x+14[/tex]
[tex]x=22[/tex]
Hope this helps. 頑張って!
9(Y+2)=
Distributive Property & Combining Like
Answers
Answer:
9y+18
Step-by-step explanation:
Distribute the 9 to the terms in the parentheses.
9(y)+9(2)
9y+18
1 Which proputy is illustrated by the equation
ax +ay=a(x+y)?
1) associative
2 2) commutative
3) distributive
4) identity
Answers
Answer:
its a distributive property..
Use the distributive property and add like terms 5(3x-4) -8x
Answers
Answer:
[tex] \huge{ \fbox{ \sf{7x - 20}}}[/tex]
Step-by-step explanation:
[tex] \star{ \sf{ \: 5(3x - 4) - 8x}}[/tex]
[tex] \text{Step \: 1 \: : Distribute \: 5 \: through \: the \: parentheses}[/tex]
[tex] \mapsto{ \sf{5 \times 3x - 5 \times 4 - 8x}}[/tex]
[tex] \mapsto{ \sf{15x - 20 - 8x}}[/tex]
[tex] \text{Step \: 2 \: : Collect \: like \: terms}[/tex]
[tex] \sf{Like \: terms \: are \: those \: which \: have \: the \: same \: base.}[/tex]
[tex] \mapsto{ \sf{15x - 8x - 20}}[/tex]
[tex] \mapsto{ \boxed{\sf{7x - 20}}}[/tex]
[tex] \sf{Hope \: i \: helped!}[/tex]
[tex] \sf{Best \: regards!!}[/tex]
~[tex] \rm{TheAnimeGirl}[/tex]
i need help its urgent its due today geometry
Answers
Simple geometry equation
Answers
Answer:
106 or 4x+18
Step-by-step explanation:
Since Ray QR is a bisector you can determine that PRQ and QRS are equal angles (def. of a bisector). Then, what I chose to do is graph them and find where they intercept which was 22. We now know 22 is x so we can substitute it into the equation and solve to deterine that our answer is 106.
x+ 31 = 3x-13
-x. -x
31=2x-13
+13.. +13
44-=2x
—. .—
2. 2
22= x
Find the diameter of a cone that has a volume of 83.74 cubic inches and a height of 5 inches
Answers
Answer:
V = πr²(h/3)
Step-by-step explanation:
83.74 = πr²(5/3)
R = 4.00 in
Diamater = 2r = 2 x 4.00 = 8 inches
Which property is used in the problem below?
2 (x + 4) = 2 x + 8
the associative property
the commutative property
the distributive property
the additive identity property
Answers
Answer:
Distributive property
Step-by-step explanation:
2(x+4)
We can write it as:-
=>2(x)+2(4)
=>2x+8
Answer:
the awnser is c the distributive proporties
Step-by-step explanation:
Juan pays $15 per hour to rent a paddle boat. He can rent a wetsuit for $5 a day. What amount will he pay if he rents the paddle boat for 6 hours
Answers
Answer:
90
Step-by-step explanation:
15*6=90...
help please will mark brainliest
Answers
Answer:
i can't see that
Step-by-step explanation:
plzz sent me a clear photo
Answer:
1. 1
2. 1 ⋅ 10 ^24
3. 1000000000
4. 1
5. 1 ⋅ 10 ^20
6. 1 ⋅ 10 ^30
7. 1 ⋅ 10 ^27
8. 10000
9. 0.01
10. 0.0001
11. 0.1
Hopefully these are right, I simplified all of the problems...sorry if they are wrong
Step-by-step explanation:
Jodi is considering taking online classes at two websites, LearnCenter and EduWorld. Each site requires that students pay a base membership fee, plus they charge a rate per class. The two graphs show the cost for taking online classes through the two websites. A graph titled Cost to Take Classes at LearnCenter has number of classes on the x-axis and cost in dollars on the y-axis. A line goes through points (0, 50) and (1, 70). A graph titled Cost to Take Classes at EduWorld has number of classes on the x-axis and cost in dollars on the y-axis. A line goes through points (0, 20) and (1, 60).
Answers
Answer:
B-LearnCenter charges a higher membership fee but a lower rate per class.
Step-by-step explanation:
Answer:B-learning for ever
Step-by-step explanation:
Help i don’t know the answer to this
Answers
Answer:
95°
Step-by-step explanation:
∠SRW is a vertical angle with respect to the one marked 95°. As such, it will have the same measure: 95°.
m∠SRW = 95°
y=-4x - 8
6x + 2y=-10
I need the equation solved by substitution
Please show work :)
Answers
Answer:
x =1.28571428571
Step-by-step explanation:
6x + 2y = -10
y = -4x - 8
6x + 2(4x - 8) = -10
6x + 8x - 8 = -10
14x - 8 = 10
(we put together the like terms)
14x = 10 + 8
14x = 18
x = [tex]\frac{18}{14}[/tex]
x = 1.28571428571