Mathematics College

What is the value of -b/(2a) in the given function below?
h(x)= -4x^2 -8x + 5
A. 2
B. -2
C. -1
D. 1

Answers

Answer 1
identifying the coefficients, we get a= -4 and, b= -8.
then we substitute the coefficients into the expression ➡️ x= -(-8/2x (-4)) and we solve the equation, so C (-1) is the correct answer!!

Related Questions

Which expression is equivalent to the measure of <4 in the image below?
M<1+m<2
M<1+m<3
M<2+m<6
M<5+m<6

Answers

Answer: a

Step-by-step explanation:

Five full creates of walnuts weigh 195 pounds, whereas an empty crate weighs 10 pounds. How much do the walnuts alone weigh?

Answers

I’m not sure if you want the weight of all the walnuts or the weight of the walnuts in each individual crate, so the answer is either 29 pounds or 145 pounds.
195/ 5= 39, so each crate weighs 39 pounds. Subtracting 10, the walnuts in each crate weigh 29. Since there are 5 crates, multiply 5 by 29 and you get 145 pounds.

In a group of 120 people. each person has a dog, a cat, or a bird. The frequency table shows how many people have each kind of pet. complete a relative frequency table to show the distribution of the data with respect to all 120 people.

Answers

Answer:

25%    19.2%  45.0%

18.3%   16.7%   34.0%

11.7%     8.3%    20.7%

55.8%   44.2%   100%

Step-by-step explanation:

Rewrite the expression as the sum of two numbers 7(2+5)

Answers

answer:

its 7 x 7 or 49

explanation:

First you used distribute property
7(2+5) bring 7 into the parentheses
14+35 Then you just add
49 that’s the sum

Just answr. I’ll give lot of point

Answers

Answer:

there is no picture but i can try to help you

Step-by-step explanation:

Answer:

REALLY TY *BOWS*

Step-by-step explanation:

Ravi buys pounds of flour. How many ounces of flour does he buy?

Answers

There is 16 ounces in each pound, how ever many pounds it is multiply 16 by the number of pounds,

Step-by-step explanation:

how ever many pounds it is multiply 16 by the number of pounds,

For a discrete random variable that takes a value of 8 with probability .75 and a value of -4 with probability of .25, what is the expected value and what is the variance

Answers

Answer:

5.20

Step-by-step explanation:

X : ______ 8 ____ - 4

P(X) : ___ 0.75 __ 0.25

The expected mean E(x) :

E(x) = ΣX / n

n = sample size = 2

E(x) = (8*0.75) + (-4*0.25)

E(x) = 6 - 1

E(x) = 5

The standard deviation : sqrt(Var(x))

Var(x) = Σx²p(x) - E(x)²

Var(x) = (8^2 * 0.75) + (-4^2 * 0.25)) - 5^2

Var(x) = ((64 * 0.75) + (16* 0.25)) - 25

Var(x) = (48 + 4) - 25

Var(X) = 27

Standard deviation = sqrt(27)

Standard deviation (x) = 5.1961524

Standard deviation = 5.20

Ryan plays football Monday through Friday for 3 hours each night how many hours does he play in a 3 week period

Answers

Answer:

42

Step-by-step explanation:

49 – 3m = 4m + 14 please help

Answers

Answer:

m=5

Step-by-step explanation:

What is the GCF of 17 and 8?

Answers

Answer: the answer is 1

Step-by-step explanation:

Answer: The GCF of 17 and 8 is 1

An individual rides a bike at a rate of 15 miles per hour for h hours. Write an equation that expresses the situation, let x be the independent variable and y be the dependent variable.

Answers

Answer:

15y+x

Step-by-step explanation:

f(x) =2x squared - 5x - 3 g(x) = x squared + 6x - 1 what is h(x), if h(x) = g(x) - f(x)

Answers

Answer:

-2x^2 + x^2 +11x +2

Step-by-step explanation:

f(x) = 2x^2-5x -3

g(x) = x^2 + 6x -1

h(x) = g(x) - f(x)

x^2 + 6x -1 - 2x^2 +5x +3

-2x^2 + x^2 +11x +2

Which graph represents the function f(x) = (x – 5)2 + 3?

Answers

The answer is graph A

Answer:

A

Step-by-step explanation:

Edge 2021

2x/3- y +7; x = 9, y=4

Answers

Answer:

-5

Step-by-step explanation:

2×9/3 - (4+7)

18/3 -11

18/3 - 33/3

-15/3

-5

Answer:

9

Step-by-step explanation:

2x/3- y +7; x = 9, y=4

plug in the numbers

2(9)/3-(4)+7

simplify 2(9)/3

2 • 9=18

18/3=6

6-4+7

6-4= 2

2+7=9

Contemporain management

Answers

Answer:

This term denotes the modern techniques to administrating people in business organizations, government bodies, or non-profit organizations. The "contemporary" indicate the relation to the present and up-to-date trends in the sphere of management. It means that the person who is involved in contemporary management should be aware of the recent variations of the management theory and implement the changes in their organizations. Modern managers should be resilient and adaptive so that they are ready to incorporate the newest developments in practice.

Step-by-step explanation:

Other than that I don't know what you are asking for.

F(x)=x-7
What is the value of x when f(×) =3

Answers

Answer:

3= x - 7 (write out the equation and think of what number with 7 subtracted would be equal to 3)

3= 10-7 (10-7 is equal to three, so that's what x has to be)

x=10

Step-by-step explanation:

Factor the polynomial completely.
3x^(2) - 8x + 5

Answers

Answer:

(x-1) (3x-5)

Step-by-step explanation:

i hope this helps have a wonderful day!

Answer:

i am only in 8th grade but this is the answer

(x-1)(3x-5)

Step-by-step explanation:

The cost of a meal is $ 66. The sale tax rate is 8.5%. How much would the sale tax be?​

Answers

Answer: $5.61

Step-by-step explanation: 8.5% of $66

ldentify the center and radius of the circle
(x-5)^2 + (y+1)^2=4.

Answers

Answer:

[tex] {(x - 5)}^{2} + {(y + 1)}^{2} = 4 \\ {(x - a)}^{2} + {(y -b) }^{2} = {r}^{2} [/tex]

Comparing both the equation we get,

(C) Centre:(5,-1), r =2

At a grocery store, Guadalupe bought a bag of apples that weighed 27.4 ounc
• Apples cost $1.60 per pound.
• There are 16 ounces in a pound.
How much did Guadalupe's apples cost?

Answers

Answer:

$2.74

Step-by-step explanation:

27.4 / 16 = 1.7125

1.7125 * 1.6 = 2.74

Answer:

$2.74

Step-by-step explanation:

All of the following expressions have the same value except _____.
A. -16 ÷ -2
B. (-2)(4)
C. -16 ÷ 2
4. (2)(-4)

Answers

Step-by-step explanation:

A.-16÷-2

......................

Solve the equation y=10x + 28.75

Answers

Answer:

x=y/10-2.875

slope=10

y= (0,28.75)

Standard form; 40x-4y=-115

Step-by-step explanation:

Not sure which answer you're looking for, but hope this helps!

If 4 movie tickets cost $28, how much would it cost to buy 9 movie tickets

Answers

Answer:

$63

Step-by-step explanation:

First, divide 28 by 4 to get 7

Now we know that one ticket cost $7.

Do 7 times 9 to get 63

9 tickets costs $63

9 movie tickets would cost $63.

Since 4 movie tickets cost $28, you can divide 28 by 4 to get 7. From here, you can multiply 7 by 9 to get 63.

May I have brainliest please? :)

HELLO!! HELP ME WITH THIS QUESTION PLEASE

Answers

Answer:

2x-2(8)

2x-16

Step-by-step explanation:

By using the distributive property, you will get 2x-2(8).

Then simply the expression, which you would get 2x-16.

n − 32 5 = 10 help plz

Answers

Answer:

n=335

Step-by-step explanation:

Answer:

Step-by-step explanation:

Here you go mate

Step 1

n − 325 = 10  equation

Step 2

n − 325 = 10  simplify by adding 325 to both sides

Answer

n=335

What is the value of the expression 30 X 5 + 6 X 4


will give brainliest

Answers

Answer:

174

Step-by-step explanation:

Answer:

30 × 5 + 6 × 4= 150 + 24= 174

Step-by-step explanation:

I hope it helps ❤❤

If f(x) = 2x + 5x and g(x) = 3x - 5, find (f+ g)(x).
O A. 2X + 8x - 5
B. 2X + 2x + 5
C. 24 - 2x - 5
D. 10x - 5

Answers

Answer:

D. 10x - 5

General Formulas and Concepts:

Algebra I

Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

f(x) = 2x + 5x

g(x) = 3x - 5

(f + g)(x) is f(x) + g(x)

Step 2: Simplify

f(x) = 7x

g(x) = 3x - 5

Step 3: Find

Substitute:                     (f + g)(x) = 7x + (3x - 5)Combine like terms:     (f + g)(x) = 10x - 5

If f(x) = -6x + 1, what is f(1/2x-1) equal to

Answers

9x^2-10x^1+1 from −2x^2+4x−10

By substituting [tex]x = \(\frac{1}{2}x-1\)[/tex] , the given function f(x) = -6x + 1 can be simplified to [tex]f(x) = \(f(\frac{1}{2}x-1) = -3x + 7\)[/tex].

To find [tex]\(f(\frac{1}{2}x-1)\)[/tex], substitute [tex]\(\frac{1}{2}x-1\)[/tex] into the function f(x):

[tex]\(f(\frac{1}{2}x-1) = -6(\frac{1}{2}x-1) + 1\)[/tex]

Now, simplify the expression:

[tex]\(f(\frac{1}{2}x-1) = -3x + 6 + 1\)\\\\\(f(\frac{1}{2}x-1) = -3x + 7\)[/tex]

So, [tex]\(f(\frac{1}{2}x-1) = -3x + 7\)[/tex].

To know more about function, refer here:

https://brainly.com/question/13007893

#SPJ2

When simplifled, the value of the expression (15 - 11) 2 + 64 +4 is equal to
10
4
24
18

Answers

Answer:

I genuinely dont see the answer lol

Step-by-step explanation:

P - Parenthesis

E - Exponent

M - Multiply

D - Divide

A - Add

S - Subtract

[tex](15 - 11)2 + 64 + 4 \\ (4)2 + 64 + 4 \\ 8 + 64 + 4 \\ 72 + 4 \\ 76[/tex]

Round the following numbers to 2 decimal places.
b)
562.6783​

Answers

Answer:

b is the correct answer i know it is

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