The equation we are given (-at² + bt + c) is a parabola. How do we know this?

Answers

Answer 1

It's a polynomial of degree 2. Every polynomial of degree 2 is a parabola


Related Questions

What is the range of the function represented by the graph?

Answers

The correct answer is C. y> 1

Answer:

Step-by-step explanation:

answer : C

35 divided by -5 with steps

Answers

Answer:

-7 is the ans

Step-by-step explanation:

Answer:

-7

Step-by-step explanation:

a positive divided by a negative is negative

35/-5

-(35/5)

-(7)

-7

For a school event 1/6 of the athletic field is reversed for the fifth -grade classes the reserved part of the field is divided equally Among the 4 fifth grade classes in the school what fraction of the whole athletic field is reserved for each fifth class

Answers

Answer: 1/24

Step-by-step explanation:

We have that 1/6 of the total field is reserved for the fifth-grade classes.

We have 4 fifth-grade classees.

Then each one of those 4 classes, has (1/4) of the reserved space.

This is:

space for each fifth-grade class = (1/4)*(1/6) = 1/24

So each fifth-grade class has a 1/24 of the total field.

A bag contains 10 red marbles and 5 blue marbles. What is the probability of choosing 2 red marbles without replacing the first?

Answers

Answer:

i think 5 percent but dont trust me xDDD

Step-by-step explanation:

What is the square root of 7/9?

Answers

Answer:

  (√7)/3 ≈ 0.881917

Step-by-step explanation:

  [tex]\sqrt{\dfrac{7}{9}}=\dfrac{\sqrt{7}}{\sqrt{9}}\\\\=\boxed{\dfrac{\sqrt{7}}{3}\approx 0.881917}[/tex]

sum of exterior angle triangle is 360°

Answers

Answer:

True

Step-by-step explanation:

The exterior angles of a triangle are the angles that form a linear pair with the interior angles by extending the sides of a triangle. The sum of the exterior angles of a triangle and any polygon is 360 degrees.

(Google) ( don’t copy and paste for your work, change it up a little!) hope this helped!

what is 1/10+ 3/100 in fraction from

Answers

Answer:

0.13

Step-by-step explanation:

1/10 + 3/100 =

10/100 + 3/100 =

13/100

Hope that this helps you and have a great day:)

How many ways can 12 swimmers finish in first, second, and third place

Answers

1320 ways
This can be solved using something called permutation. There are 12 possible swimmers that can be in first place. After that, 11 swimmers left to be in second place. Finally there are 10 swimmers left for third place. Multiply these together you get 12•11•10=1320. Hope this helps!!

5x + 8 = ______, when x = 4

Answers

Answer:

28

Step-by-step explanation:5 times 4 plus 8 is 28

The reciprocal of the divisor is 4 3 Rewrite the division problem as multiplication ,What is the quotient?

Answers

Answer:

Rewrite the division problem as -9/2 (4,3)

 the quotient: -6

Step-by-step explanation:

2x2+3y=-2 solve for y

Answers

Answer:

y=(-2/3)x^2-(2/3)

Step-by-step explanation:

2x^2+3y=-2

3y=-2x^2-2

y=(-2/3)x^2-(2/3)

Answer:

y= -2

Step-by-step explanation:

2x2+3y=-2

4+3y=-2

Subtract 4 from both sides

3y=-6

Divide both sides by 3

y= -2

In my case, x means multiplied by not a variable.

Find the circumference of the pizza to the nearest whole numbe
7 in.

Answers

Answer:

The circumference is 44 in.

Step-by-step explanation:

C = 2πr        Use this equation to find the circumference

C = 2π(7)     Multiply

C = 14π        Multiply

C = 43.98 ≈ 44 in

If this answer is correct, please make me Brainliest!

An oil slick of area 20m^2 tripples in size everyday. Find the time taken for it to exceed 1 hactare in size by firstly representing this information with an appropriate equation.​

Answers

Answer:

The oil slick area A exhibits exponential growth. Assume time t is measured in days.

dAdt=kA,A0=20,A1=20×3=60

Solve this separable differential equation.

dAdt=kA

∫dAA=∫kdt⟺ln(A)=kt+C

A(t)=A0ekt

Determine the constant k using the initial and first day oil slick area values A0,A1.

A1=A0ek×1 on day one

k=ln(A1A0)=ln(6020)=ln(3)

Substitute the known constant k and A0 into the equation.

A(t)=20eln(3)t

Verify the model A(t) matches the desired oil slick expansion. Does it triple every day?

A(0)=20e0=20

A(1)=20eln(3)1=60=3×20

A(2)=20eln(3)2=180=3×60

A(3)=20eln(3)3=540=3×180

It checks out!

On what day has the oil slick reached 1 hectare? The area is measured in square meters.

1 hectare = 10,000 square meters

10000≤20eln(3)t Solve for t days.

t≥1ln(3)ln(1000020)

t≥5.657 days

Answer

The oil slick reached 1 hectare after about 5+1/2 days.

Step-by-step explanation:

if x is 3 what is 2x?

Answers

Answer:

6

Step-by-step explanation:

2*3=6

Answer:

6

Step-by-step explanation:

You would multiply 2*3 to get six.

Hope this helps.

The table shows the number of cups of water required when cooking different amounts of rice.

Amount of
Rice
(cups) Amount of
Water
(cups)
2 5
3 7.5
5 12.5
8 20
Which statements apply to the ratio of rice and water? Choose two options.

The amount of rice is the dependent value.
The amount of water is the dependent value.
The amount of rice is the independent value.
The amount of water is the independent value.
The values cannot be labeled as dependent or independent without a given equation

Answers

Answer:

The amount of water is the dependent value.The amount of rice is the independent value.

Step-by-step explanation:

The wording "the amount of water required for different amounts of rice" suggests that the "output" value of the table is the amount of water, and the "input" value is the amount of rice.

That makes "water" the dependent variable, and "rice" the independent variable.

  The amount of water is the dependent value.

  The amount of rice is the independent value.

Answer:

The amount of water is the dependent value.

The amount of rice is the independent value.

Step-by-step explanation:

please help me with this

Answers

Answer:

your answer is a and d

Step-by-step explanation:

Answer:

A, C

Step-by-step explanation:

Given: circle k(O), m AB = 120° m∠BCA = (x+60°) Find: x

Answers

Answer:

x=0

Step-by-step explanation:

<BCA is half of arc BA or half of 120 which is 60.

do the math, and then x has to be 0 degrees

State the domain and range for the function. f(x)= -tan x

Answers

Answer:

domain: (-∞, ∞) \ (kπ+π/2 for integers k)range: (-∞, ∞)

Step-by-step explanation:

The tangent function is undefined at odd multiples of π/2. It can take on any value.

The domain is all real numbers except odd multiples of π/2.

The range is all real numbers.

Answer: it’s b

Step-by-step explanation:

edge

help help help help help

Answers

b = 36.0

Step-by-step explanation:

These two triangles are similar, so they can have a ratio that is equal to one another. We need to pick a side on one of the triangles and match the corresponding side on the other triangle, an example of this would be 6/27. Something like 6/45 would be incorrect since they are totally different corresponding sides. For the other side of the ratio, you will want to keep the same pattern. So if you do the left triangle first in the first ratio, keep it the same for the other. An example of this would be 6/27 = 8/b. It would be incorrect to put 6/27 = b/8.

There are numerous different ratios you can do but this is the one I did...

[tex]\frac{10}{45}=\frac{8}{b}[/tex]

Notice how I used both of the triangles corresponding sides and followed the pattern of which triangle came first.

Now we can solve by cross multiplying.

[tex]10*b=10b[/tex]

[tex]45*8=360[/tex]

[tex]10b=360[/tex]

Divide.

[tex]360/10=36[/tex]

b = 36

Need help with this question

Answers

Answer:

10 pennies 13 nickels

Step-by-step explanation:

pennies are worth 1 cent and nickels are worth 5.  13 times 5 is 65 and 10 times 1 is 10.  65 plus 10 is 75 and 13 is 3 more nickels than 10 pennies.

If II m,what is the value of x

Answers

Answer:

110

Step-by-step explanation:

Answer:

137

Step-by-step explanation:

i did this on i-ready :>

georgias gross pay was 35600 this year she is to pay a federal income tax of 16 how much should georgia pay

Answers

Answer:

5696

Step-by-step explanation:

i assume you are referring to tax of 16%

16/100 x 35600 = 5696

Need math answer please

Answers

Answer:

a; (x|x<3)

Step-by-step explanation:

What times what gives you 1,000,000

Answers

50, that’s wat it is

What type of lines are shown?​

Answers

Answer:

the angle is acute angle

Answer:

The type of angle shown is an acute angle

Step-by-step explanation:

there are 4 main types of angles. this is an acute angle as it is less than 90°.

Types of angles:

The 4 main types of angles are: acute, obtuse, right angles, reflex angles.

Acute angles- Acute angles are angles less than 90°.

Obtuse Angles-Obtuse angles are angles greater than 90° but less than 180°.

Right Angles- Right angles are angles of 90°.

Reflex Angles- Reflex angles are angles greater than 180° but less than 360°.

Find the solution to the system of equations.


−2x+2y=−4
3x+3y=−18

Answers

Set the equations equal to each other like this: -2x+2y=-4=3x+3y=18

Answer:

x = -2

y = -4

Explanation:

To find the y-intercept, substitute the x with 0. To find the x-intercept, substitute the y with 0. You can then graph the lines using these intercepts, and see that they intercept at (-2, -14).

Example on worksheet (subtracting by adding up)

50-29?

29+20=49

49+1=50

20+1=21

50-29=21

My question is where did the 20 come from? can you help me understand this?

Answers

Answer:

(49 - 29) + 1 =(50 - 29)

Step-by-step explanation:

The 20 comes from the subtraction of 29 in both sides of the previous step equality. In the following, I transcript the complete procedure and I add the step that you need to understand why 20 appears (in bold numbers):

29+20=49

49+1=50

(49 - 29) + 1 =(50 - 29)

20+1=21

50-29=21

hence, it was only nesseraty to subtract 29

A movie membership costs $10 a month plus an additional $5 for each movie purchased. If you have only budgeted to spend a maximum of $25 this month, how many movies can you purchase?

Answers

Answer:

3

Step-by-step explanation:

25-10/3=3

Answer:

3 movies

Step-by-step explanation:

You can pay for 3 movies because

5*3=15 and you have to pay for the membership which is 10 so

10+15=25

Please help ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.

Answers

Answer:C and E

Step-by-step explanation:

x^2-6x+40=6x+5

Arrange the equation to equal zero

x^2-6x-6x+40-5=0

x^2-12x+35=0

x^2-7x-5x+35=0

x(x-7)-5(x-7)=0

(x-5)(x-7)=0

x-5=0 or x-7=0

x=5 Or x=7

Brainliest will be given to the CORRECT answer.

Answers

Answer: Answer is C

Step-by-step explanation:

Answer:

c.

Step-by-step explanation:

6x²-7x-5=6x²-10x +3x-5 =( 6x²+3x)-(10x+5)=3x(2x+1)-5(2x+1)=

=(2x+1)(3x-5)

Other Questions
Pleaseeeee helpppp please Read the excerpt from "1859 Autobiographical Statement for Chester County Times".We reached our new home about the time the State came into the Union. It was a wild region, with many bears and other wild animals still in the woods. There I grew up. There were some schools, so-called; but no qualification was ever required of a teacher, beyond "reading, writing, and ciphering."Which type of humor does Lincoln use in this excerpt?Lincoln sarcastically calls his former classmates wild animals.Lincoln downplays his intelligence to illustrate the quality of his education.Lincoln uses sarcasm to describe the quality of the schools where he grew up.Lincoln uses hyperbole to exaggerate the challenges of his education. baseball card that was valued at $200 in 1980 has intreased in value by 7% each year. Write a function to model this situation, then find thevalue of the card in 2016. PLEASE HEL0LP ME MY TEACHER IS NOT GOING TO BE HAPPY - MATHS !!!! When you are stretching, what is going on in your muscular/skeletal system as you move. Tasha hands out 5 note cards to each student in the class. She hands out all of the 145 note cards contained in the package. How many students are in the class? When 50 pounds of a compound are produced, the manufacturing cost is described by xand the selling price is described by x^2 + 8x - 20.What is ratio of the cost to the selling price when x = 50? need help mark brain 30 points Which phrase provides the best definition of mass movement?the movement of material caused by erosionthe slow flow of a glacier as it moves through the valley of a mountainthe movement of large amounts of soil and rock debris down a slopethe fast movement of a boulder rolling down a slope Firm 1 produces output X with a cost function C_1(X)=\frac{X^2}{200}. Firm 2 produces output Y with a cost function C_2(X,Y)=\frac{Y^2}{100}-2X. Both firms face competitive markets. The competitive price of X is 6 and the competitive price of Y is \$ 5. There is no entry or exit into this market. What is the socially optimal production of X? Given the equation representing a solution equilibrium: BaSO4(s) Ba2+ (aq) + SO4 2- (aq)What occurs when Na2SO4(s) is added to this system, increasing the concentration of SO4 2- (aq)?1) The equilibrium shifts to the left, and the concentration of Ba2+(aq) decreases 2)The equilibrium shifts to the left, and the concentration of Ba2+(aq) increases3)The equilibrium shifts to the right, and the concentration of Ba2+(aq) decreases4)The equilibrium shifts to the right, and the concentration of Ba2+(aq) increases 1: which equation represents a linear function? a y= 4 x +1 b y=x2+2 c y=3 x+1 d y=- 2 3 x- 1 2 Use the formula to help you answer the question below. Do not include unitsin your answer.Rate . Time = DistanceHow many hours will it take to complete a 45-km bike ride if you go 12 km perhour the whole time? Put in order the stepsDebbie wants to plan a monthly budget for her family. Sequence the steps that Debbie needs to take for preparing her personal budgetcategorize the expenses into those thatcould be avoided and those that are notavoidable (like mortgage payments)write down all the expenses that thefamily incurs for the monthcut down on the expenses that have beenidentified as avoidabletranslate the monthly budget into a yearlybudget to achieve long term goalsinvest a small part of the money saved insomething that could help the moneyincrease in value Express the inequality x0.12 using interval notation. Which of these is a conversion from chemical energy to mechanical energy?A. A dark light bulb starting to glowB. A ball rolling down a hillC. A person lifting a weightD. A potato being heated in an oven Discuss at least 3 different technology used during the war and how did it affect the war or the outcome of the war? I need the answer please!!! CAN SOMEONE PLEASE SOLVE THIS!!!!!!!!!!! NEED HELP!!!!!!!!!!!!!!!!!!!! PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! A country that produces more of a supply than it needs will often do this with the product to make money. aimport bdeport cexport dsupport Nora es de nicaragua