The picture attached is the problem

The Picture Attached Is The Problem

Answers

Answer 1
(-(-9)/2(1) , -((-9)^2 - 4(1)(18))/4(1))

(9/2 , -9/4)

So C is the answer

Related Questions

Pls help, will give brainleist

Answers

The answer is 5.
Because take x=1 entry to the graph and going vertical until you intercept the curve, then read the value on the y axial

Answer:

See below:

Step-by-step explanation:

Hello! My name is Galaxy and I'll help you with your problem today. I hope you are having a nice day!

The Function

First of all, to figure out the function and how it will work, with that, we can see that it is a parabola, a parabola is a function which looks like a curve in which the multiplication of the [tex]x[/tex] cation, when more smaller, is more wider.

Parabola's also have two ways they go, them being upwards and downwards which in the quadratic formula are figured out by the a catition.

[tex]ax^2+bx+c=0[/tex]

Solving

So, we know to find for [tex]f(1)[/tex] we have to find what is y when x is 1. To solve for that, we can look at the function's graph and see that when x is one, y is 5.

Solution

To solve for this, we can usually just look at the graph to see where the point where we need to find is, but, we also might have to graph the equation if the graph is not already given.

So our answer would be [tex]y=5[/tex] and/or [tex](1,5)[/tex]

Cheers!

A middle school has 212 people. 188 are students. The rest are adults. What is the ratio of students to adults? Write your ratio in three different forms.

Answers

Answer:

24 adults

Step-by-step explanation:

because it's just subtract 212-188=24

I think

51 samples were analyzed, and the sample mean was 9.7 ounces. Can you determine the standard deviation of the sample

Answers

Using the Central Limit Theorem, it is found that the standard deviation for the sampling distribution of sample means is given by:

[tex]s = \frac{\sigma}{\sqrt{51}}[/tex].

In which [tex]\sigma[/tex] is the population standard deviation.

The Central Limit Theorem states that, the sampling distribution of sample means of size n, from a population with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], has mean [tex]\mu[/tex] and standard deviation, which is also called standard error, [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

In this question, 51 samples, hence, [tex]n = 51[/tex]

Hence, applying the Central Limit Theorem, the standard deviation for the sampling distribution of sample means is given by:

[tex]s = \frac{\sigma}{\sqrt{51}}[/tex].

In which [tex]\sigma[/tex] is the population standard deviation.

A similar problem, which also involves the Central Limit Theorem, is given at https://brainly.com/question/24663213

Ritta purchased a package of stickers. She noticed 4 out of every 5 stickers where purple. Which table shows the relationship between the number of purple stickers, p, and the total number of stickers, t?

Answers

Answer:

4:5

Step-by-step explanation:

I don't see the table but since it is 4 out of every 5 stickers are purple, the ratio would be 4:5, 4/5, or 4 to 5. It doesn't really matter, because all of these mean the same thing.

Tell me if I'm wrong :)

Given trapezoid​ WXYZ, what is​ XY?

Answers

Answer:

XY = 16 ft

Step-by-step explanation:

The mid segment DE is half the sum of the parallel bases, that is

[tex]\frac{XY+WZ}{2}[/tex] = 20 ( multiply both sides by 2 to clear the fraction )

XY + WZ = 40

XY + [tex]\frac{3}{2}[/tex] XY = 40 ( multiply through by 2 to clear the fraction )

2XY + 3XY = 80

5XY = 80 ( divide both sides by 5 )

XY = 16

How do you solve , (x+3)2 ?

Answers

Answer:

Distributive property of multiplication.

Step-by-step explanation:

2(x+3)

Multiply 2 times x, and 2 times 3 so that you get:

2x+6

Answer:

(x+3)2= 2 × x 2 × 3= 2x + 6

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

Ali box 3 1\4 yards of blue ribbon for a craft project she bought 2 2\3 yards of green ribbon how much ribbon does she have in total to complete her project?

Answers

Answer:

5 /12

Step-by-step explanation:

5(a-b) if a=-4 and b=-2

Answers

5(a-b) if a=-4 and b=-2

5(-4--2)

5(-4+2)

5(-2)

-10

Answer: -10

Answer:

The expression equals -10.

Step-by-step explanation:

First, solve the expression in the parentheses. -4 - -2 can be turned into -4 + 2, which is -2. Then, multiply by the coefficient right next to the parentheses. -2 times 5 is -10.

What is the discriminant of the quadratic equation 9x^2+5x-9=0

Answers

Answer:

Δ = 349

Step-by-step explanation:

Given a quadratic equation in standard form

ax² + bx + c = 0 ( a ≠ 0 ) , then the discriminant is

Δ = b² - 4ac

9x² + 5x - 9 = 0 ← is in standard form

with a = 9, b = 5 , c = - 9 , then

b² - 4ac

= 5² - (4 × 9 × - 9)

= 25 - (- 324)

= 25 + 324

= 349

5x+3y=-21 into slope intercept form

Answers

Answer:

y = 5/3x - 7

Step-by-step explanation:

5x + 3y = -21

5x - 3y = -21

-3y = -5x - 21

-y = -5/3x + 7

y = 5/3x - 7

Kayden Kohl

8th Grade Student

Answer:

Step-by-step explanation:

Y=5/3x -7

Help plz. No links.



What is 8.21 times 4.2?

Show your work.

Answers

Answer:

34.482 is the answer to your question

(х + 5) + (х – 2)
3
7
оооо
2х + 3
2x +7
What’s the correct answer?

Answers

Answer:

the correct answer is 2x+3

Step-by-step explanation:

because your adding the (x) factors together then your adding a negitive to a positive so you would get a lower number

Find the area of the parallelogram. b = 90 ft h = 2 yd The area of the parallelogram is __ft² or __yd². ​

Answers

540 ft^2 because 90x6=540 2 yards = 6 feet

I ain’t giving n9 answer

When deriving the Quadratic Formula, we start with the general equation for a quadratic:

Answers

Answer:

Step-by-step explanation:

c sss

helpppp


simplify √5 × √3

Answers

Answer:

√15

Step-by-step explanation:

When you multiply surds:

multiply the numbers inside the square roots i.e. √(5 × 3) = √15simplify if possible (not possible in this case)

Hope this helps!

Hello! I have a project where I invite 5 people to a “dinner party” to school. I want to invite a girl named Jaci Butler. Jaci Butler is her own agent in the singing industry. I found her address and want to send her a mail. Does this count as stalking? If you were Jaci butler, what would you think I’m a stalker? If you were her, would you come?

Answers

Answer:

I will it was a stalker too because I don't know him/her and I wouldn't come to the house of a stranger on me

When can you write ratios as fractions?

Answers

Yes I ca-n YOU eritemul raționale as
Given a ratio of two integers, write it as a fraction
Given a ratio of two decimals, write it as a fraction
Given a ratio of two mixed numbers, write it as a fraction

Answer the question in the image below

Answers

Answer:

B. m[tex]\geq 2\frac{1}{2}[/tex]

Step-by-step explanation:

[tex]m\geq \frac{5}{2}[/tex]

CAN SOMEONE HELP ME PLEASE ASAP!

Answers

quick question is this area or perimeter?

Answer:

2 and 3

Step-by-step explanation:

to be similar, there must have been the same scaling factor applied for length and width.

when going from 2 to 3 the width changes from 5 to 7, that is a changing factor of 7/5 = 1.4

and the length changes by the same factor :

6.5 × 7/5 = 1.3 × 7 = 9.1

what does the x length equal

Answers

Answer: 225

Step-by-step explanation:

(6-i\sqrt(2))/(6+i\sqrt(2))

Answers

Answer: 18 sqrt= i

Hope this helps :)

Step-by-step explanation:

identify the constant term in this expression 28m + 4n - 12m +3 =

Answers

Step-by-step explanation:

28m+4n-12m+3

28m-12m+4n+3

16m+4n+3

The triangle and the rectangle below have the same area.
6 cm
wcm
6 cm
5cm
Calculate the value of w.
Show your working.

I thought it was 10 as triangle do base x height divided by 2

Answers

Answer:

look at the photo...........................

Which step? I’m sort of confused

Answers

The answer is C) Step 3

Li forgot to multiply the two negatives in order to get positive 3/10. The answer should not be negative.

The right steps are:

-4/5 / 8/-3

Flip the second part to multiply:

-4/5 * -3/8

Multiply:

12/40

Simplify:

3/10

I hope this helps!

SOMEONE HELP ME PLEASE

Answers

Answer:

[tex]x=\frac{27}4=6.75[/tex]

Step-by-step explanation:

The triangles PQR and SQT have corresponding angles congruent. In particular the pair P,S, R,T are congruent since corresponding angles relative to the two parallel lines in the hypotesis, and Q is obviously in common. The two triangles are similar since their angles are congruent. We can then write the follwing proportion.

[tex]\overline{RQ}:\overline {TQ}= \overline{PQ}:\overline{SQ}[/tex]  Replacing the values and cross-multiplying we get:

[tex](4x-3+3):3=(40+5):5 \rightarrow 4x:3 = 45:5 \\4x=27 \rightarrow x=\frac{27}4=6.75[/tex]

Answer:

6.75

Step-by-step explanation:

the answer is 6.75

so x = 6.75

PLS HELP ASAP ILL GIVE BRAINLKEST THANKS

Answers

Answer:

x<4

Step-by-step explanation: brainlieast plz

4x - 2 < 14
add 2 on both sides
4x - 2 + 2 < 14 + 2
4x < 16
divide by 4 on both sides
4x/4 < 16/4
x < 4
the answer is b :)

Please help me with this question thx

Answers

Answer:

>

>

>

Step-by-step explanation:

Solve the system of equations by elimination:
3x+y=5
2x-2y=-2

NO LINKS PLEASE

Answers

First divide both sides of 2x-2y=-2 by 2 to get x-y=-1. Now, you can simply add the equations together and you’d get 4x=4. Divide both sides by 4 to get x = 1. Then, plug in the 1 to one of the original equation (I used 2x-2y=-2):
2(1)-2y=-2
2-2y=-2
-2y=-4
y=2

So x = 1 and y = 2! :) hope this helps

Answer: (1, 2)

             x = 1  and y = 2

Step-by-step explanation:

3x + y = 5  Multiply this equation by 2   =>    6x + 2y = 10

2x -2y = -2                                               =>  + 2x - 2y = -2

                                                                       8x         = 8

                    **divide both sides by 8 =>         x  =  1

                   *** substitute 1 for x in either equation to get y

                                   

                     3(1) + y = 5

                    -3             -3

                             y = 2

                                                       

please help me with these 2 questions for a brainlist !
+give explanation to answer

Answers

Answer: Option 3 is the answer hope this helps!

Step-by-step explanation: Option 3

Graph the linear function w(x) = 3/5x + 2

Answers

Hey, here it is
Can u give me a brainliest answer?

Answer:

Coordinates or points would be  (0,2), (1,2.6) (2,3.2) (3,3.8)

Step-by-step explanation:

Formula

w(x) = 3/5x +2 in each coordinate I have a x so for example 3.

I would rewrite this as 3/5(3) + 2

w(x) = 3/5x +2

w(3) = 3/5(3) + 2

y = 1.8 + 2

y = 3.8

Consider Brainiest

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