What’s the answer??????#9

Whats The Answer??????#9

Answers

Answer 1

Answer:

A)

Step-by-step explanation:Quadratics

Answer 2

[tex] \huge \tt \color{cyan}{➢}\color{pink}{A}\color{blue}{n}\color{red}{s}\color{green}{w}\color{grey}{e}\color{purple}{r }\color{cyan}{➢}[/tex]

[tex] \large\underline{ \boxed{ \sf{✰\:Important\: point's }}}[/tex]

a polynomial equation of the second degree is said to be as quadratic equation.quadratic:-a function, of the form y=ax²+bx+c.Standard form of quadratic equation is ax²- bx+c=0where a≠0

[tex]\rule{70mm}{2.9pt}[/tex]

[tex] \large\underline{ \boxed{ \sf{✰\: Let's\: solve }}}[/tex]

[tex] \purple{ \sf{⇒Given \:function}}[/tex]

⇒ y = -2(x-5)²-4

now 1st we have to solve (x-5)² by using algebraic identify (a-b)²= a²+b²-2ab here a=x nd b = -5(x-5)²x²-10x+25Now

⇒y = -2(x²-10x+25)-4

distribution of 2 with bracket

⇒ y= -2x²+20x-50-4

⇒ y= -2x²+20x-54

Hence option A (-2x²+20x-54) is right ans.....

[tex]\rule{70mm}{2.9pt}[/tex]

[tex] \red{ \underline{\underline{ \boxed{ \tt{✰ \: Option \: A \: ✓}}}}}[/tex]

Hope it helps !


Related Questions


Using complete sentences, explain which function has the greatest y-intercept.

Answers

Answer:

Step-by-step explanation:

this is correct trust me im learning this and passing the concept h(x)=2+3

and f(x)=3x-2

Here is a tip use desmos it is a graphing calculater and will tell you the answer

Translate the triangle.
Then enter the new coordinates.

Answers

Answer:

see explanation

Step-by-step explanation:

the translation < 3, 2 >

means add 3 to the original x- coordinate and add 2 to the original y- coordinate, then

A (3, 0 ) → A' (3 + 3, 0 + 2 ) → A' (6, 2 )

B (4, - 2 ) → B' (4 + 3, - 2 + 2 ) → B' (7, 0 )

C (1, - 3 ) → C' (1 + 3, - 3 + 2 ) → C' (4, - 1 )

Can i get some help, please

Answers

Answer:

65 degrees

Step-by-step explanation:

The degrees always has to add up to 180 degrees, so if you add 90 degrees and 25 degrees, you get 115 degrees. So since it has to be 180 degrees, you add 65 to 115, and you get 180 degrees.

Answer: 65 degrees . HOPE IT HELPS .

the quotient of two numbers is 3 and their sum is 8 what are he two numbers

Answers

Translating Word Equations into Numerical Equations

To change words into equations, we can recognize keywords that translate into operations and/or numbers:

quotient = dividea number/the number/two numbers = variables sum = add

Solving the Question

Let the two numbers be a and b.

We're given:

quotient of a and b is 3
⇒ [tex]\dfrac{a}{b}=3[/tex]sum of a and b is 8
⇒ [tex]a+b=8[/tex]

First, isolate a in the first equation and substitute it in the second equation to solve for b:

[tex]\dfrac{a}{b}=3\\\\a=3b[/tex]

[tex]a+b=8\\3b+b=8\\4b=8\\b=2[/tex]

Therefore, one of the numbers is 2. Substitute this into one of our equations to solve for a:

[tex]a+b=8\\a+2=8\\a=6[/tex]

Therefore, the other number is 6.

Answer

The two numbers are 2 and 6.

A school needs to buy new notebook and desktop computers for its computer lab. The notebook computers cost $275 each, and the desktop computers cost $175 each. How much would it cost to buy 10 notebooks and 16 desktop computers? How much would it cost to buy nn notebooks and dd desktop computers?

Write the equation for total cost, nn notebooks and dd desktop computers:

Answers

The cost to buy 10 notebooks and 16 desktop computers is $5550

Cost of notebook computers = $275

Cost of desktop computers = $175 each

The cost to buy 10 notebooks and 16 desktop computers will be:

= 275(10) + 175(16)

= 2750 + 2800

= $5550

The cost to buy n notebooks and d desktop computers will be:

= 275(n) + 175(d)

= 275n + 175d

Read related link on:

https://brainly.com/question/23281416

Complete Syd’s work to find the scale factor Scale factor = StartFraction scale drawing dimension over Original dimension EndFraction = StartFraction 7.5 over 3 EndFraction What is the scale factor? 2.5 3 4.5 7.5

Answers

Answer:

2.5

Step-by-step explanation:

Find the area of the composite figure. First, find the area of the triangle.


Please help

Answers

Answer:

triangle: 28cm² | parallelogram: 88cm² | composite: 116cm²

Step-by-step explanation:

Find area of triangle (1/2)(base)(height)

(1/2)(8)(7)

(4)(7)

28cm²

Find area of parallelogram (base)(height)

(8)(11)

88cm²

Add them together to get the composite area

28 + 88 = 116cm²

Evaluate x + y when x = -19/12 and y = -7/5

Answers

Hey there!


x + y

= -19/12 + (-7/5)

= -19/12 - 7/5

= -95/60 + -84/60

= -95/60 - 84/60

= -95 + (-84) / 60 - 0

= -95 - 84 / 60

= -179 / 60


Therefore, the answer should be:

-179 / 60


Good luck on your assignment & enjoy your day!



~Amphitrite1040:)

Answer:

x+y= -2 59/60

Step-by-step explanation:

=-19/12-7/5 = -95-84

60

=-179

60

= -2/59/60

determine the mass of a sample of silver if 705 j of heat are required to raise its temperature from 25 c to 35 c. The specific heat of silver is 0.235 j/g c

Answers

Answer:

300g

Explanation:

heat added=specific heat * m * change in temp

705= .235* x*(35-25)

solve for x, thus the answer being 300g

I need help plss, whoever answers me, I’ll give brainliest.

Answers

Answer:

12.

Step-by-step explanation:

36 = 3 * 12

48 = 4 * 12,

Solve this question for points

Answers

The line plot shown in the graph as 25 repeated 1 time, 25 1/2 repeated 2 times,  26 repeated 1 time, and 27 3/4 repeated 1 time so on.

What is a line graph?

A line graph is a graph made up of segments of straight lines that connect the depicted data points.

Draw dots on each of the data element in the data set:

25 repeated 1 time

25 1/2 repeated 2 times

26 repeated 1 time

27 3/4 repeated 1 time

28 1/2 repeated two times

And so on.

Thus, the line plot shown in the graph as 25 repeated 1 time, 25 1/2 repeated 2 times,  26 repeated 1 time, and 27 3/4 repeated 1 time so on.

Learn more about the line graph here:

brainly.com/question/23680294

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What is the answer to 8+9

Answers

17 hope it helps brainliest

It takes $5 in gas to drive 26 miles. How much does each miles cost?

Answers

Answer:

$5.20

Step-by-step explanation:

divide 5 dollars by 26 miles.

26 miles÷ $5 = $5.20

When paying off debts, you should _____.

Answers

Answer:

Continue to make the minimum monthly payment on all of your debts while putting as much extra money as possible toward your smallest debt

Step-by-step explanation:

Once that debt is paid off, put your extra money toward your next-smallest debt, and so on. The bigger you build your debt snowball, the closer you'll get to debt freedom

An electrician uses 46 3/4 feet of push-back wire from a 200-foot roll. How many feet of wire are left on the roll?​

Answers

Answer:

153 1/4 feet

Step-by-step explanation:

Remaining

200 - 46 3/4153 1/4 feet

Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1800 bacteria selected from this population reached the size of 2016 bacteria in two and a half hours. Find the hourly growth rate parameter.

Answers

so

number = a e^(kt)

2272 = 1800 e^(5k)

1.26222... = e^5k

ln 1.26222... = 5k

k = .04657.. <----- your hourly growth parameter

the instantaneous rate of growth is appr 4.657% per hour.

Geometry
PLS NEED HELP

Answers

Answer: B

All of the other options do not apply,

Which of the following are square roots of the number below? Check all that
apply.
400
A. -20
B. -4001/2
C. 40
D. 4001/2
E. 10
F. 20

Answers

I think the answer is 20

74°
32°
to
Find the value of x

Answers

Answer: give the proper question

Step-by-step explanation: for solutions

The heights, in inches, of five people on a basketball team at listed below 65, 58, 64, 61, 67 explains the meaning of the meaning absolute deviation in context of the situation

Answers

Using it's concept, it is found that the mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

What is the mean absolute deviation of a data-set?

The mean of a data-set is given by the sum of all observations divided by the number of observations.The mean absolute deviation of a data-set is the sum of the absolute value of the difference between each observation and the mean, divided by the number of observations.The mean absolute deviation represents the average by which the values differ from the mean.

In this problem, the mean is given by:

M = (65 + 58 + 64 + 61 + 67)/5 = 63.

Hence the mean absolute deviation is given by:

MAD = (|65-63| + |58-63| + |64-63| + |61-63| + |67-63|)/5 = 14/5 = 2.8.

The mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

More can be learned about mean absolute deviation at https://brainly.com/question/3250070

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EASY POINTS
Which of the following sets represents the range of the diagram below?

Answers

I think the answer is D

Answer:

D)

Step-by-step explanation:

This is a subjective function and range and co-domain are equal.

Range = {3 , 5 , 7}

Find the degree of the monomial.4.5
8a b5

Answers

Answer: 17a

Step-by-step explanation: additon

Find the area of the circle. Use 3.14 for pie. Do not round your answer.

and inside the circle it says 14 inches

Answers

given:

radius= 14 inches

to find:

the area of the circle.

solution:

[tex]area = \pi {r}^{2} [/tex]

[tex]a = \pi \times {14}^{2} [/tex]

[tex]a = 615.75216[/tex]

[tex]a = 615.75 \: {in}^{2} [/tex]

therefore, the area of the circle is 615.75 square inches.

The area is:

615.44 in²

Work/explanation:

The formula for the area of a circle is:

[tex]\sf{A=\pi r^2}}[/tex]

Where

A = area

π = 3.14

r = radius

Diagram:

[tex]\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 14\ in}\end{picture}[/tex]

Plug in the data:

[tex]\sf{A=3.14\times14^2}\\\\\sf{A=3.14\times196}\\\\\sf{A=615.44\:in^2}[/tex]

Hence, the area is 615.44 in².

Find the domain and range of the relation graphed below.

Answers

Answer:

Domain: -4 < x < 2

Range: -3 < y < 3

need help ASAp pleaseeeeeeeeeeeeeeeee

Answers

The answer is 2, simply because you need to make that negative sign a positive sign. To do that you will need to flip the numerator and denominator. Meaning that it will be 4/1 now. By doing this your exponent became positive! So if your teacher just wanted you just rewrite it, it would be (4/1)^1/2, but if you were to evaluate that, it would be 2

For which values of x is the limit positive infinity when x
approaches the values from the left?

Answers

Answer:

The Answers are: 1) -3pi/2 & 4) pi/2

Step-by-step explanation:

I got it right!

find the perimeter of a triangle with vertices A(-3,5), B(-3,2), and C(1,2)

Answers



I’m not entirely sure, but I think that’s correct

Q6.
Jake and Sarah each played a computer game six times.
Their scores for each game are shown below.
Jake
10 9
8
11 12
8
10
Sarah
2
10 7
14 4
(a) Who had the most consistent scores, Jake or Sarah?
You must give a reason for your answer.

Answers

Jake, because the mean is higher for him. Resulting in a higher average score

Please help me math

Answers

Answer:

5.66

Step-by-step explanation:

State Pythagoras' theorem

a² + b² = c²

→ Substitute in the values

4² + 4² = c²

→ Simplify

32 = c²

→ Square root both sides

√32 = c

Answer:

Step-by-step explanation:

4^2 + 4^2 = c^2

16 + 16 = c^2

32 = c^2

c= √32

c= 5.66

please help due in 13 mins.

Answers

Answer:

Graph A

Step-by-step explanation:

Becuase if we rewrite it in slope-intercept form then we get y=3/4x-13/2

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