If f ( x ) = 2 x 2 - 4 x , what is the value of f(3)?

Answers

Answer 1
The answer is F(3)= -8
Answer 2

Answer:

-6

Step-by-step explanation:


Related Questions

Give another name for RS.

Answers

answer: SR because it is still meaning the same segment just a different way of naming it

Sammy bought 3 pounds of oranges that cost $4.59. Determine the cost of 1 pound.

Answers

The cost of 1 pound of oranges is $1.53

Kayla received a 25% discount on the purchase of a $170 bicycle. What was the amount of the discount that Kyle received?

Answers

Total price 127.50 the discount was 42.50

(giving brainliest)
Evaluate: 2g-> if t =7/9 g=1/6

Answers

Answer:

= - 2 x 2 + 5

Step-by-step explanation:

Given a sphere with a radius of 4 cm, find its volume to the nearest whole
number.
A. 67 cm3
B. 85 cm3
O C. 18 cm3
O D. 268 cm3

Answers

Answer:

d

Step-by-step explanation:

Answer:

D. 268 cm^3

Step-by-step explanation:

If you take a number multiply by 7 then subtract 1. You get the same as if you took the number multiply by 5 then subtract 8. What is the number?

Answers

Answer:

12

Step-by-step explanation:

12

Pls be right will give brainliest to the right answer

Answers

Answer:

c

Step-by-step explanation:

I’m guessing the answer is C

Pls help me ill give brainliest

Do all 3 pls to get brainliest

Answers

Answer:

16.) c. 2x²+7x-15

17.) c. [tex]y=\frac{4}{9}x+\frac{17}{9}[/tex]

18.) D

Step-by-step explanation:

have a wonderful day! :D

3.5b + 4.5 + 0.5b -0.5 - 1.5b

Like terms simplify please

Answers

Your answer is 2.5b +4

Answer:

b=-1.6

Step-by-step explanation:

determine the intercepts of the line
y intercept (?,?)
x intercept (?,?)
PLEASE HELP ASAP

Answers

Answer:

y-intercept: (0, -0.7)

x-intercept: (-1.2, 0)

Step-by-step explanation:

To find the x-intercept (x, 0) of a line substitute y by zero in the equation of the line, and from the graph, it is the point of intersection between the line and the x-axisTo find the y-intercept (0, y) of a line substitute x by zero in the equation of the line, and from the graph, it is the point of intersection between the line and the y-axis

In the given figure

∵ The line intersects the y-axis at the point (0, -0.7)

∴ The point of intersection between the line and the y-axis is (0, -0.7)

→ By using the 2nd note above

The y-intercept is (0, -0.7)

∵ The line intersects the x-axis at the point (-1.2, 0)

∴ The point of intersection between the line and the x-axis is (-1.2, 0)

→ By using the 1st note above

The x-intercept is (-1.2, 0)

what is the answer?​

Answers

Answer: that’s super easy

Step-by-step explanation:

The answer is option a

Evaluate 2x(2) - 3x + 2 for x = -5

Answers

Answer:

Step-by-step explanation:

substitution

2x(2)-3x+2

2(-5)(2)-3(-5)+2

-10(2)+15+2

-20+17

-3

in a circle with a radius of 7 feet, the radian measure of the central angle subtended by an arc with a length of 4 feet is 0.57 . the area of the sector formed by the arc is square feet. assume π

Answers

The area of the sector formed by the arc of the circle is 14 square feet.

What is sector of the circle?

A sector of a circle is a pie-shaped section of a circle formed by the arc and its two radii. A sector is formed when a portion of the circle's circumference (as well known as an arc) and two radii cross paths at both endpoints of a arc. A sector of a circle has the shape of a pizza slice or even a pie.

Two radii and an arc encircle a portion of a circle.A circle is divided into two segments which are referred to as minor sectors as well as major sectors.The major sector is represented by the larger portion of the circle, while the minor sector is represented by the smaller portion.

Now, according to the question;

Length of a sector is estimated by the formula = ∅×r

where ∅ is the angle formed by sector in radians and r is the radius of the circle.

Thus,

∅ = Length of a sector/r

The radius is r = 7 ft

The value of length of a sector = 4 ft

∅ = 4/7

∅ = 0.57 radians

Now, estimate the area of the sector.

area of a sector = (∅/2)×r²

Substituting the values.

area of a sector = (4/7/2)×7²

                          = (4/14)×49

area of a sector = 14 ft²

Therefore, the area of the sector is calculated as 14  ft².

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The complete question is-

In a circle with a radius of 7 feet, the radian measure of the central angle subtended by an arc with a length of 4 feet is . The area of the sector formed by the arc is square feet. Assume π = 3.14, and round your answers to the nearest hundredth.

Fyggugffghxdghgdfyhgg

Answers

Now you just wasted your points for putting all those letters

Mr. Littles is building a triangular sandbox using three boards. He already has two boards that measure 9 feet and 12 feet. Select all of the values that could represent the length of the third board of his triangular sandbox.

Answers

Answer:

9 feet, 15 feet, 19 feet

Step-by-step explanation:

Options are:

2 feet 3 feet 9 feet 15 feet 19 feet 21 feet 30 feet

-------------------------------------

Use the triangle inequality theorem: sum of any two side must be greater than the third side by length

2 feet     ⇒  no, as 2 + 9 < 123 feet     ⇒  no, as 3 + 9 = 129 feet     ⇒  yes15 feet    ⇒  yes19 feet    ⇒  yes21 feet    ⇒  no, as 9 + 12 = 2130 feet  ⇒  no, as 9 + 12 < 30

Find the percent of change from 15 books to 20 books.


I AM SO LOST

Answers

Answer:

33.3333333333

Step-by-step explanation:

Answer:

33.3333% increase

Step-by-step explanation:

simplify....

15:20

Calculate percentage change

from V1 = 15 to V2 = 20

(V2−V1) |V1| ×100

= (20−15) |15| ×100

= 515×100

= 0.333333×100

= 33.3333%change

= 33.3333%increase

It's an increase cuz your going up and not going down a number

Hope this helped a little!

"Three less than an unknown number.

Answers

Answer:

x - 3

Step-by-step explanation:

Unknown number = x

X - 3 because X is unknown and you need to subtract if three

Write inequality to model the situation the number and of people who attended the game was at least50

Answers

Inequality to model the situation the number and of people who attended the game was at least50.

n was at least 50

means the minimum number was 50, but it could be more

n is greater than or equal to 50

n≥50

Define Inequality ?

The property of being uneven or unequal, for example. Social inequality is a. b: unequal opportunity or distribution. Lack of evenness is c. d: the quality of being changeable or variable.

Some of the more notable examples of social inequality include income disparity, gender inequality, access to healthcare, and social class. In the medical field, some patients receive better and more expert care than others.

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the radius is 9 cm. what is the approximate circumference of the circle

Answers

Answer:

56.5487 (this is exact, just round it if you want)

Step-by-step explanation:

The formula to find the circumference is 2, pi, r (radius).

HURRY PLS OR IMA FAIL-

Sally and Mary are best friends. Their families both went to the beach on June 1

st to

celebrate the start of summer vacation. After that day Sally’s family continues to go to the

beach every 4 days. Mary’s family only goes to the beach every 14 days. On what day will both

girls be back at the beach on the same day?


a. Would you use Greatest Common Factor or Least Common Multiple to help solve

this problem?

Answers

Answer: least common multiple and they meet up on the 28th day.

Step-by-step explanation: Sally's family goes on their 7th trip on the 28th day since 7*4 =28. Mary's family goes on their 2nd trip also on the 28th day since 14 * 2 = 28. 28 is the LCM.

Answer:

They would meet on the 28th day; Least common multiple.

Step-by-step explanation:

An equilateral triangle is inscribed in a circle. An apothem is shown. Lines are drawn from each point to the center point to form radii. The angles between the radii are 120 degrees. The angles between the radii and the sides of the triangle are 30 degrees.
An equilateral triangle with side lengths equal to 12 StartRoot 3 EndRoot units is inscribed in a circle.

Half a side length of the equilateral triangle is 6 StartRoot 3 EndRoot units, so the apothem is
units long and the radius of the circle is
units long.

Each segment of the circle has an area equal to the difference between the areas of the sector and triangle, or (
π −
StartRoot 3 EndRoot) units2.

Answers

Answer:

6

12

48

36

Step-by-step explanation:

Hope This Helps! :)

Answer: 6, 12, 48, 36

Step-by-step explanation:

An equilateral triangle with side lengths equal to 12 StartRoot 3 EndRoot units is inscribed in a circle.

Half a side length of the equilateral triangle is 6 StartRoot 3 EndRoot units, so the apothem is

✔ 6

units long and the radius of the circle is

✔ 12

units long.

Each segment of the circle has an area equal to the difference between the areas of the sector and triangle, or (

✔ 48

π −

✔ 36

StartRoot 3 EndRoot) units2.

Which angle number is a vertical to

Answers

angle 6 of all of them

AP
Solve the absolute value inequality 2|x-7/2|+4>9 algebraically. Select the correct graph of the solution.

Answers

Answer:

x < 1 or x > 6

Step-by-step explanation:

Translate this sentence into an equation.
21 more than Diane's savings is 74.
Use the variable d to represent Diane's savings

Answers

Answer:

74-21=d or d+21=74

Step-by-step explanation:

Answer:d+21=74 and if you want to solve it would be

get d by itself so minus 21 on both sides 21-21 is

d= 74-21 is 53

so d=53

Step-by-step explanation:

A scale drawing of a school bus has a scale of 1/2 inch to 5 feet. If the length of the school bus is 4 1/2 inches on the scale drawing, what is the actual length of the bus?

10 point

Answers

45 feet. 4 x 10 =40 then add the other half an inch to get the total of 45 feet or you could say 9 x 5= 45

please answer due at 12 ​

Answers

Answer:

7. x + 1

8. d + 4

9. y + 3

Step-by-step explanation:

7. x + 1

8. d + 4

9. y + 3

Please tell me the correct answer and I will mark you brainliest

Complete the sentences below about the graphs of y=-2x and y= x

Answers

all of the answers you put are correct. good job!

Bags of flour come in 3 sizes: Small bag: A 200 g bag costs 40p. Medium bag: A 1 kg bag costs £1.80. Large bag: A 2 kg bag costs £3.80. Calculate the cost of 1 kg for the small and large bags. Give your answer in pounds to 2 dp.

Answers

Answer:

Small bag: 1kg cost 200.00p

Large bag: 1kg cost £1.90

Step-by-step explanation:

Small bag: A 200 g bag costs 40p

Medium bag: A 1 kg bag costs £1.80.

Large bag: A 2 kg bag costs £3.80.

Calculate the cost of 1 kg for the small and large bags.

Small bag: A 200 g bag costs 40p

200g cost 40p

1 gram cost 40/200

1 gram = 0.2 p

1000 g = 1kg

1kg cost = 0.2p × 1000

= 200.00p

Small bag: 1kg cost 200.00p

Large bag: A 2 kg bag costs £3.80.

Cost of 1kg = cost of 2kg bag / 2

= £3.80 / 2

= £1.90

Large bag: 1kg cost £1.90

the measure of an angle in standard position is given. find two positive angles and two negative angles that are coterminal with the given angle.

Answers

To find coterminal angles, you have to either add or subtract 2π. In this case, you would use 8π/4 so there is a common denominator.

Positives:

-3π/4+8π/4 = 5π/4

5π/4+8π/4 = 13π/4

Negative:

-3π/4-8π/4 = -11π/4

-11π/4-8π/4 = -19π/4

What is the measure of an angle?

In geometry, an angle measure is the length of the angle formed by two rays or arms intersecting at a common vertex.

Using a protractor, angles are measured in degrees (°). Joseph Huddart created the protractor in 1801. It was a more sophisticated protractor.

The angle created at the center of a circle is measured in radians, the unit of angular measurement. It is described as an angle that subtends from a circle's center and intercepts at an arc with a radius equal to the circle's radius. 57.3° is equal to one radian.

Acute angle, Obtuse angle, Right angle, Straight angle, reflex angle, and full rotation are the names of basic angles.

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EASY QUESTION !! IF YOU GET IT RIGHT ILL AWARD BRAINLIEST!!

Answers

Answer: x=18, y=30

explanation: bc i’m right

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