X^2+x+2=0. Solve for x

Answer:

D

Step-by-step explanation:

the correct answer is D) 4,773,870

Answer:

it is 194% of $880.50

Step-by-step explanation:

here is the explanation:

https://www.percentagecal.com/answer/1708-is-what-percent-of-880

Using Dz and D'z to denote partial derivatives of z with respect to x and y respectively, the equation becomes (D^2 -1)z=0 or (D-1)(D+1)z=0. Put (D+1)z = u(x,y). Then we have (D-1)u =0. The general solution of this equation is u(x,y)=A(y).e^x, where A(y) is an arbitrary function of y, because we have integrated a partial derivative of u with respect to x, and we have to take an arbitrary function of y instead of an arbitrary constant.

Now the original equation becomes

(D+1)z=A(y)e^x and we integrate it with respect to x, giving ze^x = Int[e^x.A(y).e^x.dx] + B(y), (for another arbitrary function B(y)) = (1/2)e^(2x).A(y) +B(y) or

z(x,y) = B(y)e^(-x)+[A(y)e^x]/2 or

z = B(y)e^(-x) + C(y)e^x. Hence putting x=0,

e^y = B(y)+C(y) and Dz= -e^(-x)B(y) + e^x.C(y). Again putting x=0, we get 1 = -B(y) + C(y). Solving the two equations in B(y) and C(y), we have C(y) = (1+e^y)/2, and B(y) = (e^y -1)/2. Hence the required solution is

z = [(e^y -1).e^(-x)]/2 + [(e^y +1).e^x]/2 =

z = (e^y)cosh(x) + sinh(x).

Answer:

x = 16

Step-by-step explanation:

Step 1: Subtract 2 from both sides.

Step 2: Multiply each side by 4 in order to isolate x.

Therefore, x = 6.

Hope you have a lovely rest of your day/night.

Answer:

x/4 + 2= 6 (1/4 × x = x/4)

x/4 = 4

x = 16

Answer:

The speed of the flying carpet in still air is 15.2 mph

Step-by-step explanation:

Answer:

15.2

Step-by-step explanation:

Do the math

Answer:35/5 = 8.75$ per ticket

Step-by-step explanation:

Answer:

Step-by-step explanation:

0.32, give her brainliest

Answer:

10

Step-by-step explanation:

prinfeugd jigfrssfhutx bbjhhv

Answer:

Step-by-step explanation:

You would just divide $24.18 by 3 considering the three friends are splitting

(DIVIDING) the cost amongst each other.

Hope this helps :]

pls make brainliest :3

and have an amazing day <3

Answer:

See Below.

Step-by-step explanation:

We want to verify the equation:

[tex]\displaystyle \frac{\tan\theta}{ 1- \cot \theta} + \frac{\cot\theta}{1 - \tan\theta} = \frac{\dfrac{\sin\theta}{\cos\theta}}{1 - \dfrac{\cos\theta}{\sin\theta}} + \frac{\dfrac{\cos\theta}{\sin\theta}}{1 - \dfrac{\sin\theta}{\cos\theta}}[/tex]

Recall that tanθ = sinθ / cosθ. Likewise, cotθ = cosθ / sinθ. Then by substitution:

[tex]\displaystyle \begin{aligned} \frac{\tan\theta}{ 1- \cot \theta} + \frac{\cot\theta}{1 - \tan\theta} & = \frac{\dfrac{\sin\theta}{\cos\theta}}{1 - \dfrac{\cos\theta}{\sin\theta}} + \frac{\dfrac{\cos\theta}{\sin\theta}}{1 - \dfrac{\sin\theta}{\cos\theta}} \\ \\ & \stackrel{\checkmark}{=} \frac{\dfrac{\sin\theta}{\cos\theta}}{1 - \dfrac{\cos\theta}{\sin\theta}} + \frac{\dfrac{\cos\theta}{\sin\theta}}{1 - \dfrac{\sin\theta}{\cos\theta}} \end{aligned}[/tex]

Hence verified.

Given :

To Do :-

Proof :-

We know that ,

On using above two in LHS ,

Hence proved !

Range is the difference between the highest score and lowest score.

To find the range the teacher needs to know the highest and lowest grades in the test.

Answer:

no solutions

Step-by-step explanation:

Substitute -2/5(x) - 1 for y in 2x + 5y = 20

Therefore, the answer is no solutions.

Answer:

See below:

Step-by-step explanation:

So, the question asks how far she drives in a month, this probably includes going to work and coming back. Therefore, each day takes 2 times 75 which is 150!

Now, we know she goes 150 miles each day going to work and coming back. We can now multiply that by 21 to get out answer.

We can split 21 into 10 * 2 + 1 for our convenience.

150 times 10 is 1500 and that times two is 3000 added by 150 is 3150.

Then we get out answer; 3150 miles!

If this answer helped you, consider marking as brainliest :)

Answer:

C. a two-way distribution.

A segmented bar graph can be used to illustrate two-way distribution.

Answer:

132,440

Step-by-step explanation:

In order to find out the total number of doctors, we must divide 44,500 by 33.6%. This will give you the total number of doctors from this specific data set.  

Answer:

250 $3 tickets and 100 $2 tickets were sold.

Step-by-step explanation:

A family bought a total of 13 tickets to a magic show, some adult and some child. The family paid a total of $85 Adult tickets are $15 each and tickets are $5 each. Let X represent adult tickets. Let y represent child tickets Write an equation to model the total amount of money that they spent.The cost of tickets for a play is $3.00 for adults and $2.00 for children. 350 tickets were sold and $950 was collected. How many tickets of each type were sold?

Let x = number of $3 tickets

Let y = number of $2 tickets

Total = quantity × value

quantityvaluetotal$3 ticketsx33x$2 ticketsy22ytogether350950

Step 3: Add down each column to get the equations

x + y = 350                    (equation 1)

3x + 2y = 950                (equation 2)

Use Substitution Method

Isolate variable x in equation 1

x = 350 – y                     (equation 3)

Substitute equation 3 into equation 2

3(350 – y) + 2y = 950

1050 – 3y + 2y = 950

3y – 2y = 1050 – 950

y = 100

Substitute y = 100 into equation 1

x + 100 = 350

x = 250

Answer: 250 $3 tickets and 100 $2 tickets were sold.

Answer:

[tex] \hookrightarrow \: { \tt{ \frac{5}{9} \times 36}} \\ \\ = { \tt{{ \frac{5}{1} \times 4}}} \\ \\ = { \tt{ \frac{5 \times 4}{1} }} \\ \\ = { \boxed{ \tt{ \: \: 20 \: \: }}}[/tex]

Answer:

I think its 20

Step-by-step explanation:

(5/9)*36=20

Answer:

X intercept is (5,0)

y intercept is (0,10)

Answer:

1/4

Step-by-step explanation:

250 / 62.5 = 1/4 of the tablet

I know this isn't a good explanation but you can use a calculator for this :)

Answer: 12, 33% or 1/3

Step-by-step explanation: 33% is 1 3rd, half of 66% is 33%, so half of 8 is 4, so 8+4=12. There are 12 people in the crew.

A scaled copy is a copy of an figure where every length in the original figure is multiplied by the same number. For example, triangle DEF is a scaled copy of triangle ABC. Each side length on triangle ABC was multiplied by 1.5 to get the corresponding side length on triangle DEF.

9514 1404 393

Answer:

Step-by-step explanation:

The answer statement tells you the transformation is a rotation. The original is in the 2nd quadrant, and the image is in the 1st quadrant, representing a clockwise rotation. AB points east, while A'B' points south, a rotation of 90° (clockwise). Each image point is the same distance from the origin as its preimage point. The origin is the center of rotation.

__

∆ABC is transformed by a clockwise rotation 90 degrees with a center at the origin .

Using the value of the 4 which is 0.4 (keeping the decimal point in the same place)

0.4 x 10 = 4

Answer: 4

Answer:

true

Step-by-step explanation:

three times four equals twelve.

Step-by-step explanation:

16 percent

Solving our equation for P

P% = Y/X

P% = 40/250

p = 0.16

Convert decimal to percent:

P% = 0.16 * 100 = 16%

Answer:

yes, it is a solution

Step-by-step explanation:

when you plug the values in, the expression is true

x = 2

y = 3

2 + 3 = 5

5 < 7

Answer:

1

9=thousands

6=hundreds

0=tens

7=tens of thousands

5=hundreds of thousands

2

8=hundreds of thousands

6=millions

4=thousands

7=tens

0=tens of thousands

1. Place value of 9 = Thousands

Place value of 6 = Hundreds

Place value of 0 = Tens

Place value of 7 = Ten thousands

Place value of 5  = Hundred thousands

2. Place value of 8 = Thousandths

Place value of 6 = Hundredths

Place value of 4 = Hundred thousandths

Place value of 7 = Ten millionths

Place value of 0 = Ten thousandths

The place value is the position of each digit in a number. The place value of digits is determined as ones, tens, hundreds, thousands, ten-thousands and so on, based on their position in the number.

Given

1. 579,601

Place value of 9 = Thousands

Place value of 6 = Hundreds

Place value of 0 = Tens

Place value of 7 = Ten thousands

Place value of 5  = Hundred thousands

2. .56,804,379

Place value of 8 = Thousandths

Place value of 6 = Hundredths

Place value of 4 = Hundred thousandths

Place value of 7 = Ten millionths

Place value of 0 = Ten thousandths

Find out more information about place value here

https://brainly.com/question/27734142

#SPJ2

Answer:

6

4

12

72

Step-by-step explanation:

Base is 6 in

Height is 4 in

To get the area of a triangle is 1/2 Base × Height

Being 1/2(6)(4) = 12

To get the area of a rectangle is Length × Width being 9 × 8 = 72