f(x) = 3x^2 - 7 4x^2 – 3 Find f(2)​

Answers

Answer 1

Answer:

f=5/8x^2+-3/2Divide both sides by two

Step-by-step explanation:

Hope that helped


Related Questions

find the least common multiple of 16,30,36 no links or file​

Answers

9514 1404 393

Answer:

  720

Step-by-step explanation:

The LCM of these numbers will have every factor that is part of these numbers.

  16 = 2^4

  30 = 2 × 3 × 5

  36 = 2^2 × 3^2

So, the LCM will have factors of 2^4, 3^2, and 5:

  LCM(16, 30, 36) = 2^4 × 3^2 × 5 = 720

720 = 16×45 = 30×24 = 36×20

The least common multiple is 720.

Samantha answered 90% of the questions on her math test and 80 % of the questions on her history test correctly. If each test had 50 questions , how many questions in all did she answer correctly ?

Answers

Answer:

Samantha got 85 questions right.

Step-by-step explanation:

90% of 50 is 45.

80% of 50 is 40.

40 + 45 = 85

:)

Answer:

95

Step-by-step explanation:

Im pretty sure It's 95 because if you get a 90% on a test with 50 questions, you would've gotten 45 correct. If you get an 80% on a test with 50 questions, you would've gotten 40 correct. Then add them.

Mona solved an equation incorrectly, as shown below:

Step 1: 5x = 30
Step 2: x = 30 − 5
Step 3: x = 25

Which statement best explains why Step 2 is incorrect in Mona's solution?

She did not add 5 to 30.
She did not divide 30 by 5.
She did not multiply 30 by 5.
She did not multiply 30 five times.

Answers

Answer:

She did not add 5 to 30. ... Mona subtracted 5 where she should have divided 5.

Step-by-step explanation:

Answer:

B. She did not divide 30 by 5

Step-by-step explanation:

This is the only way to cancel out the 5 and get the variable alone

Three hundred yards of fencing is being used to fence in a rectangular garden. The area of the garden is modeled by a quadratic function of the rectangle’s width, A(w). What does the second coordinate of the vertex of the quadratic function. A(w), represent?
the minimum width that can be used for the fencing
the maximum area that can be enclosed by the fencing
the width that gives the maximum area
the length that gives the maximum area

Answers

9514 1404 393

Answer:

  the maximum area that can be enclosed by the fencing

Step-by-step explanation:

If the width of the garden is w (in yards), then the length of the garden is (150-w) and the area is ...

  A(w) = w(150 -w) = -(w² -150w)

  A(w) = -(w² -150w +75²) +75²

  A(w) = -(w -75)² +5625

In this vertex form, the vertex is (75, 5625).

The graph of area versus width is a parabola that opens downward, so the vertex second coordinate is the maximum area that can be enclosed.

a reflection across y=2
HELP DUE VERY SOON

Answers

Answer:

n' = (-5,2)  k' = (-1,1)  t' = (-5,0)

Step-by-step explanation:

HELP FAST PLZ
The same house costing $500,000 with the 15-year mortgage and the APR of
4.5% would have what amount for its first month's principal payment?

Answers

Answer:

Step-by-step explanation:

How much would the mortgage payment be on a $500K house? Assuming you have a 20% down payment ($100,000), your total mortgage on a $500,000 home would be $400,000. For a 30-year fixed mortgage with a 3.5% interest rate, you would be looking at a $1,796 monthly payment.

Area
Please help solve the two questions

Answers

Answer:

1. Height=6 Base=7 Area=422. i realy cant see the hieght but i think its 7 and the base is 3 so it might be 21Step-by-step explanation:)

determine whether you can construct many one or no triangles with the given measures​

Answers

Answer:

u cant create any triangles because you have said that there are  three 45° angles

which is 45°, 45°, 45°

⇒ 135°

135≠180

every triangle is 180°

therefore no triangle

MARK ME BRAINLIEST

10th grade Geometry Question, I will give brainliest. NEED HELP ASAP!

Answers

Answer:

- 1 + 5 + 2 y is your answer I am the teacher

yes
i will help you if you want is that ok

Answers

Answer:

ok

Step-by-step explanation:

Answer:

okay

Step-by-step explanation:

okay i will accept your help

Triangle BCD has vertices B(-8, 3), C(-4, 6), and D(2,0). If the triangle is reflected across the x-axis and dilated by a scale factor of 0.5 with respect to
the origin, what are the coordinates of the vertices of triangle B'C'D'?

A. B'(-4, 1.5), C'(-2,-3), D'(1, 0)
B. B'(-8, 3), C (-4,-6), D (2,0)
C. B*(-4,2), C (-2,-3), D'(1, 0)
D. B(-16, 6), C'(-8, -12), D'(4,0)

Answers

Answer: B'(-4, 1.5), C'(-2,-3), D'(1, 0)

Step-by-step explanation:

The coordinates of the vertices of triangle B'C'D' is B'(-4, 1.5), C(-2, 3) and D(1, 0)

Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, reflection, translation and dilation.

Dilation is the increase or decrease in size of a figure. If a point A(x, y) is dilated by a factor k, the new point is at A'(kx, ky).

Given that Triangle BCD has vertices B(-8, 3), C(-4, 6), and D(2,0). If it is dilated by a factor of 0.5, the new point is at:

B'(-4, 1.5), C(-2, 3) and D(1, 0)

The coordinates of the vertices of triangle B'C'D' is B'(-4, 1.5), C(-2, 3) and D(1, 0)

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Christopher has a garden in the shape of a square with a side length of 24 feet. He plans to plant tomatoes along the
diagonal. How long is the diagonal of Christopher's garden?

A - 48 Ft
B - 24 Ft
C - 24 square root of 2
D - 24 square root of 3

Answers

9514 1404 393

Answer:

  C - 24 square root of 2

Step-by-step explanation:

In case you haven't memorized the fact that the diagonal of a square is √2 times the side length, you can figure it from the Pythagorean theorem.

  d² = s² + s² . . . . square of hypotenuse is sum of squares of sides

  d² = 2s²

  d = s√2 = (24 ft)√2 = 24√2 ft

Hii! I really need help on this with the spree that answers! For 30 points. I don’t wanna waste my points so make sure your answer is right.

Answers

Step-by-step explanation:

1. K = 13 (13+5=18)

2. X= 36 (36-12=24)

3. Y = 14 (17=3+14)

4. Z= 24(22=24-2)

5. A=7 (divide both sides by 4)

6. H=12 (12/6=2)

7. B= 10 (100=10*10)

8. Y=42 (6=42/7)

I'm pretty sure that this is correct.

1. K+5=18
-5 = -5

k=13

2. x-12=24
+12 = +12

x=36


3.17=3+y
-3 = -3

y=14

4.22=z-2
+2 = +2

z=24

5.4a=28
÷4 = ÷4

a=7

6.h/6=2
×6 = ×6

h=12

7.100=10b
÷10 = ÷10

b=10

8.6=y/7
×7 = ×7

y=42

What is the height of the ball after 5 seconds in feet?

Answers

It’s 32 feet. Just aligned the heigh of the ball from 5 seconds.

Answer:32

Step-by-step explanation:

i think the answer will be 32 feet

I can't figure this problem out Please, I need some help.​

Answers

Answer:

66

Step-by-step explanation:

Find the area of the following figure: 12yd 8yd 4yd

Answers

Area of rectangle + Area of semi circle
12 * 4 + (22/7 * 4^2)/2
48 + 25.14
73.14 yard square

The sum of two numbers is 41. The smaller number is 9less than the larger number. What are the numbers?

Answers

Answer:

Smaller number is 16 and larger number is 25

Step-by-step explanation:

[tex]x+y=41\\x=y-9\\\\(y-9)+y=41\\2y-9=41\\2y=50\\y=25\\\\x=25-9=16[/tex]

The smaller number is 16 and the larger number is 25

Im kinda stuck on this can i get help

Answers

Answer:

6+4=10

7-6=1

6*6=36

1/3*6=2

Step-by-step explanation:

Plug in 6 for x and solve it.

A company produces and sells solar panels for $520. The company's daily profit, P(x), can be modeled by the function P(x) = −6x2 + 156x + 1,000, where x is the number of $5 price increases for each solar panel. Use the graph to answer the questions.

Graph of function p of x equals negative 6 x squared plus 156 x plus 1,000. The graph has the x-axis labeled as the number of price increases, and the y-axis labeled as profit. The curve begins at (0, 1000), increases to the vertex at about (13, 2014), and decreases through about (31, 0).

Part A: Identify the approximate value of the y-intercept. Explain what the y-intercept means in terms of the problem scenario. (3 points)

Part B: Identify the approximate value of the x-intercept. Explain what the x-intercept means in terms of the problem scenario. (3 points)

Part C: Identify the approximate value of the maximum of the function. Explain what the maximum of the function means in terms of the problem scenario. (4 points)



Will give who ever answers the fast the brainliest and max points

Answers

This occurs when the number of $5 price increases is approximately 10.82 or 15.32.

The function given is P(x) = −6x2 + 156x + 1,000, where x is the number of $5 price increases for each solar panel. We are to identify the approximate value of the x-intercept and explain what the x-intercept means in terms of the problem scenario.

The x-intercept is a point where the graph of the function crosses the x-axis. At this point, the value of the function is zero.

We can find the x-intercept by setting P(x) = 0 and solving for x.0 = −6x2 + 156x + 1,0006x2 - 156x - 1000 = 0Dividing by 6, we get:x2 - 26x - 166.67 = 0Solving using the quadratic formula,

we get:x ≈ 10.82 or x ≈ 15.32So, the x-intercepts are approximately 10.82 and 15.32. In terms of the problem scenario, the x-intercept represents the point at which the company breaks even, i.e., the point at which the daily profit is zero.

To learn more about : price

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Mason says that a point with the coordinates (4, 4) lies on a circle centered at the origin with a radius of 4 units. Is Mason correct? Explain why or why not.

Answers

yes, he is right all distance is the same from the origin point to any side of the circle same as radius which is half a line starts at any side of the circle and ends at the origin point.

Mason is correct.

The point with the coordinates (4, 4) lies on the circle centered at the origin with a radius of 4 units.

What is a circle?

A circle is a two-dimensional figure with a radius and circumference of 2pir.

The area of a circle is πr².

We have,

A circle centered at the origin with a radius of 4 units can be represented by the equation:

x² + y² = r²

Substituting the coordinates of the point (4, 4), we have:

4² + 4² = r²

16 + 16 = r²

32 = r²

Taking the square root of both sides, we get:

r = 4√2

Therefore,

The circle centered at the origin with a radius of 4 units has an equation of x^2 + y^2 = 32.

Point (4, 4) satisfies this equation since:

4² + 4² = 32

16 + 16 = 32

32 = 32

Thus,

The point with the coordinates (4, 4) lies on the circle centered at the origin with a radius of 4 units.

Learn more about circle here:

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help me with this please and if you can do a step by step it would help​

Answers

Answer:

Angle 6x and Angle 5x + 10 are corresponding angle pair,

they are equal

6x = 5x + 106x - 5x = 10x = 10

so each angle = 6 × 10 = 60°

Help I will give you 10 points please help

Answers

Answer:

Look Below

Step-by-step explanation:

1. A person would have to work 9 Hours to get 63$ for 7$ per hour.

2. Reese is 16 years old because if you do 34 - 18 = 16. Or you could do 16 + 18 = 34 to confirm it.

3. 10 - 4 = 6 Sean is 6 feet tall total because if you do a subtraction problem with the two variables you get 6.

4. I am not able to see the numbers on the right unfortunately so all you have to do for this one is to minus how much her brother has by 8 to get her amount.

Hope This Helps! Have A Good Day! Good Luck With Your Work!

Can someone help me

Answers

Answer:

x is 10

Step-by-step explanation:

draw a line AD to make triangle ABD (which will be a right triangle)

use Pythagorean theorem to find the length of AD

[tex]a^{2} +b^{2} =c^{2} \\6^{2} +8^{2} =c^{2} \\36+64=c^{2} \\100=c^{2} \\10=c[/tex]

Side AD is a radius of the circle, x is also a radius, so they are equal so x is 10

How many roots does the graphed polynomial function have?

Answers

Answer:

3 roots

The graph crosses the x axis 3 times so there are 3 roots.

Step-by-step explanation:

The LCM of 5 and 6 is ______. Numerical Answers Expected!

Answers

Answer:

30

Step-by-step explanation:

Answer:

30.

Step-by-step explanation:

2 x 3 x 5 = 30

Find mZECD
E
D
C С
31°
A
B
PLEASE HELP I WILL GIVE BRAINLIEST

Answers

Angle ECD is 118°, let me know if you need an explanation or just wanted the answer

A birdbath holds 4 liters of water. How many milliliters does it hold?

Answers

Answer:

4000

Step-by-step explanation:

Answer:

4000

Step-by-step explanation:

You have to multiply the volume value by 1000. So 4 x 1000=4000

45,000 mL=


I really need this answer just one more Time lol

Answers

Answer:

45,000 mL (Milliliters) = 45 L (Liters)

Explanation:

The word milliliters is made up of two words, "milli" and "liter"

"Milli" means a thousand, chiefly denoting a factor of one thousandth.

That means one milliliter is one thousandth of a liter

x^2-6=2-18x solve by completing the square

Answers

X^1=-9[89],x^2=-9+[89]

-3/8*2/5 + 2/5 * 5/8

Answers

Answer:

.1

Step-by-step explanation:

Answer:

0.1

Step-by-step explanation

Other Questions
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The company's cost records show the following information concerning the job: Direct labor-hours Machine-hours Direct materials Direct labor cost Department MoldingPainting 75127 38068 $ 950 $1,300 $ 700 $ 990 Required: 1. Compute the predetermined overhead rates used in the Molding Department and the Painting Department. 2. Compute the total overhead cost applied to Job 205. 3-a. What would be the total manufacturing cost recorded for Job 205? 3-b. If the job contained 24 units, what would be the unit product cost? Complete this question by entering your answers in the tabs below. Req 1 Reg 2 Req Req 3B Compute the Predetermined Overhead Rates used in the Molding Department and the Painting Department. (Round your answers to 2 decimal places.) Predetermined Overhead Rate Molding Department per MH Painting Department per DLH Reqi Reg 2 > Complete this question by entering your answers in the tabs below. Req 1 Req 2 Req Req 3B Compute the total overhead cost applied to Job 205. 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