Factor and solve the quadratic equation

x^2 + 2x + 2 = 0

Answers

Answer 1

Answer:

no solution

Step-by-step explanation:


Related Questions

Find the measure of ∠7.

Given:
∠1 is a right angle
∠3 = 37°
∠8 =62°

A. 53°
B. 65°
C. 105°
D. 127°
E. 245°

Answers

Answer:

The answer is B: 65.

Angle 8 + angle 7 = right angle + 37 degree

, 62 degree + angle 7 = 127 degree

, angle 7 = 127 degree - 62 degree

, = 65 degree

Solve the inequality 5:0 -6 < 2 + (30 — 4).
Pls help

Answers

Answer:

x≤2

Step-by-step explanation:

The answer to 5x-6≤2+(3x-4)

Happy Halloween!

I need help fast plz

Answers

Answer:

1. m = -3, b = 4

2. m = 0, b = 7

3. m = -1.5, b = -4

4. m = 3, b = 0

5. m = 1.5, b = -7

A cake recipe for 5 people requires two eggs. How many eggs do you need for a 15 person cake

Answers

Answer:

6 eggs

Step-by-step explanation:

15=5*3

so times the eggs by 3

2*3=6

A computer technician charges $75 for a consultation plus $35 per hour. Write the linear equation that models this situation.

Answers

The answeris : y=35x+75

Johnny scored a 75% on his math test. He got 18 questions
correct. How many questions were on the test? *

Answers

the answer to this question is 24

Answer:

24

Step-by-step explanation:

18/24=0.75

Hope this helps!

A bicyclist rides 18 miles in 2 hours. How many miles will the bicyclist ride at this speed in 5 hours?

Answers

Answer:

30 miles

Step-by-step explanation:

1-x/1+x=2x+1/-2x+5 find x

Answers

Answer:

x = [tex]\frac{2}{5}[/tex]

Step-by-step explanation:

Given

[tex]\frac{1-x}{1+x}[/tex] = [tex]\frac{2x+1}{-2x+5}[/tex] ( cross- multiply )

(2x + 1)(1 + x) = (1 - x)(- 2x + 5) ← expand parenthesis on both sides using FOIL

2x + 2x² + 1 + x = - 2x + 5 + 2x² - 5x , simplify

2x² + 3x + 1 = 2x² - 7x + 5 ( subtract 2x² from both sides )

3x + 1 = - 7x + 5 ( add 7x to both sides )

10x + 1 = 5 ( subtract 1 from both sides )

10x = 4 ( divide both sides by 10 )

x = [tex]\frac{4}{10}[/tex] = [tex]\frac{2}{5}[/tex]

Answer:

 x = 2/5

Step-by-step explanation:

[tex]\frac{1-x}{1+x}=\frac{2x+1}{-2x+5}[/tex]

Cross multiply,

(1 - x)(-2x + 5) = (2x +1)(1 + x)

Use FOIL method to multiply,

1*(-2x) + 1*5  - 2x *(-x) + 5*(-x) =2x *1  + 2x *x  + 1*1 + 1*x

             -2x + 5  + 2x² -5x    = 2x + 2x² + 1 + x

Combine like terms,

              -2x - 5x + 2x² + 5 = 2x² + 2x +x  + 1

                      -7x + 2x² + 5 = 2x² + 3x + 1

           -7x + 2x²  - 2x² - 3x  = 1 -  5

                             -7x - 3x    = - 4

                                       -10x = -4

                                          x = -4/-10

                                          x = 2/5

Help me pleaaaaaaassssssssseeeeeeee

Answers

Answer:

+29

Step-by-step explanation:

(-)(-)=+

The diameters of trees at a nursery are Normally
distributed with a mean of 2.5 inches and a standard
deviation of 0.5 inches.
X-
Calculate the Z-score for a tree that has a diameter of
1.83 inches. Round the Z-score to the nearest
hundredth, if necessary.
The Z-score for a tree that has a diameter of 1.83 inches
is about...?

Answers

Answer:

-1.34

Step-by-step explanation:

STATS QUESTION PLEASE HELP AND EXPLAIN!


A least squares regression line was calculated to relate the length (cm) of newborn boys to their weight in kg. The line is weight = -5.58 + 0.1686 length. A newborn was 48cm long and weighed 3 kg. According to the regression model, what was his residual? What does that say about him?


1) WHAT WAS HIS RESIDUAL?


2) WHAT DOES THAT SAY ABOUT HIM? SELECT THE CORRECT CHOICE AND FILL IN ANY ANSWER BOXES TO COMPLETE YOUR ANSWER (round to three decimal places as needed)

a. the newborn weighs ____ kg less than the weight predicted by the regression equation

b. the newborn weighs _____ kg more than the weight predicted by the regression equation

c. the newborn weighs the same as the weight predicted by the regression equation

Answers

Answer:

0.487 kg

b.) the newborn weighs 0.487kg more than the weight predicted by the regression equation

Step-by-step explanation:

Given the Regression equation:

Weight = - 5.58 + 0.1686 length

Length of newborn = 48 cm

Actual Weight of newborn = 3kg

Predicted weight from regression model:

Weight = - 5.58 + 0.1686(48)

Predicted Weight = 2.513kg

Hence, residual = (Actual - predicted)

Residual = (3kg - 2.513kg) = 0.487kg

Since the actual weight is more or greater than the predicted weight:

b.) the newborn weighs 0.487kg more than the weight predicted by the regression equation

Please help me out with problem 2.

Answers

Image is too blurred.

Try taking another one.

Answer:

Step-by-step explanation:

I will be using all caps for variables

Solve for L

V = LWH

/ WH  /WH

V/WH = L

Solve for H

V = LWH

/LW  /LW

V/LW = H

HELP PLEASE
I DONT UNDERSTAND

Answers

Answer:

v1 positive v2 negative

Step-by-step explanation:

You are decorating a Rose Bowl float. There are 108 red roses, 144 white roses, 48 yellow roses, and 72 purple roses. If bunches of roses are identical and there are no leftover roses, what is the greatest number of bunches that can be made? How many roses of each color are in each bunch?

Answers

Answer:

Step-by-step explanation:

Number of red roses = 108

Number of white roses = 144

Number of yellow roses = 48

Number of purple roses = 72

If the number of roses in each bunch are identical,

Number of bunches of roses = HCF of number of roses

Factors of 144 = 3×3×2×2×2×2×1

Factors of 108 = 3×3×3×2×2×1

Factors of 72 = 3×3×2×2×2×1

Factors of 48 = 3×2×2×2×2×1

Common factors of 144, 108, 72, 48 = 3 × 2 × 2 × 1 = 12

Therefore, number of bunches of roses with equal number of roses = 12

Number of red roses in each bunch = [tex]\frac{108}{12}=9[/tex]

Number of white roses in each bunch = [tex]\frac{144}{12}=16[/tex]

Number of yellow roses in each bunch = [tex]\frac{48}{12}=4[/tex]

Number of purple roses in each bunch = [tex]\frac{72}{12}=6[/tex]

I don’t know the answer to this

Answers

First answer choice !!

What are the two things that do NOT prove that triangles are congruent?

Answers

Answer:

If the side which lies on one ray of the angle is longer than the other side, and the other side is greater than the minimum distance needed to create a triangle, the two triangles will not necessarily be congruent. to "swing" to either side of point G, creating two non-congruent triangles using SSA.

Step-by-step explanation:

Hope this helped, Have an amazing day!!

Mr. Green’s hobby was restoring old houses. He recently purchased an old rundown house that needed a lot of repair, especially with the plumbing. The kitchen faucet dripped all day and night. It intrigued Mr. Green how much water dripped from this faucet in one day,but he surely didn’t want to sit and watch the faucet drip all day. So he figured that if he could discover how much water dripped within a certain time span, he could calculate the dripping rate for any time span. In his first observation he noted that 6 ounces of water dripped in 10 minutes.


A) Using Mr. Green's observation can you help him figure out how much water would have dripped in only 5 minutes? Show your work or explain your answer

Answers

Answer:

if you divide the rate like this 6oz/10min by two you get 3oz/5min. this  

means 3oz of water drips' in 5min

HELP!!!!!!!!!!!!!!!!!!!!! I WILL LOVE YOU FOREVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

I am not 100% sure but I think it is

Question 9:

A. (-2, -2)

B. (1, 0)

C. (3, -7)

Question 10:

A. (-1, -3)

B. (-4, -5)

C. (-6, 2)

Please help or i get a detention!

Answers

Answer:

a) Angle XBC = 55⁰ because its correspond to Angle AXY which is equal to 55⁰ and corresponding angles are equal.

b)Angle BXC = 70⁰

Step-by-step explanation:

b) Since XB = XC, triangle BXC is therefore an isosceles triangle.

Angle XBC = Angle XCB

Sum of interior angles of a triangle = 180⁰

55⁰ + 55⁰ + Angle BXC = 180⁰

110⁰ + Angle BXC = 180⁰

Angle BXC = 180⁰- 110⁰

= 70⁰

please help me and don't just write a random answer for the points. thank you

Answers

Answer:

If A, C, and D are each 13 then if i answer this problem i will get 5 points sooo goodluck

Step-by-step explanation:

A triangle with vertices J(3, 0), K(4, 3), and L(6, 0) is rotated clockwise 90° about the origin. What are the new coordinates for J' K' and L' ?

Answers

Answer:

The new coordinates of the triangle J'K'L' are J'(0, -3), K'(3, -4), and J'(6, 0)

Step-by-step explanation:

The given coordinates of the triangle JKL are;

J(3, 0), K(4, 3), L(6, 0)

The rotation of the point of a preimage (x, y) by 90° clockwise gives the point of the image after rotation as (y, -x)

Therefore;

The rotation of point J(3, 0) by 90° clockwise gives J'(0, -3)

The rotation of point K(4, 3) by 90° clockwise gives K'(3, -4)

The rotation of point L(6, 0) by 90° clockwise gives J'(6, 0)

The new coordinates of the triangle J'K'L' are J'(0, -3), K'(3, -4), and J'(6, 0)

Help needed ASAP WILL GIVE BRAINLIEST AND 5 STAR RATES

Answers

Elenas fastest speed was in the first hour where she traveled 3 miles, in all the other hours she traveled 2 miles. Answer: her fastest speed was 3 miles per hour

Answer: 3 mph.

Step-by-step explanation: If you follow the graph, it shows that in 1 hour she traveled about 3 miles, and in 2 hours, she traveled about 5 miles, and in 3 hours she traveled about 6 miles, and finally, in 4 hours, she traveled 9 miles.

Hope this helped.

What would the equation be? I give brainliest if correct

Answers

Answer:

I am pretty sure it's a

I hope this helps

The cost of buying x ornaments at $4.25 an ornament.?

A.Proportional
B.Non Proportional

Answers

I think it’s B. Hope this helps

HELP ASAP, BIG TEST!
When f(c)= 10x^2 + 3x -4, evaluate f(-4)

Answers

Answer:

[tex]f(x) = 144[/tex]

Step-by-step explanation:

This problem deals with a function. All this question is asking is to plug in -4 every time an x appears.

So, let's do that:

[tex]f(-4) = 10(-4)^{2} + 3(-4) - 4[/tex]

[tex]f(-4) = 10(16) - 12 - 4[/tex]

[tex]f(-4) = 160 - 16[/tex]

[tex]f(-4) = 144[/tex]

A high school track is 9.76 meters wide. It is divided into 8 lanes of equal width for
track and field events. How wide is each lane?

Answers

Answer:

1.22

Step-by-step explanation:

9.76/8

Answer: 1.22 Explanation to my answer: 9.76/8

Factor completely 4x^2-81

Answers

Answer:

(2x - 9)(2x + 9)

Step-by-step explanation:

4x^2 - 81 = (2x - 9)(2x + 9)

Answer:

(2x+9)(2x-9)

Step-by-step explanation:

kind of simple actually

4x^2-81=(2x+9)(2x-9)

Mr. Webb had 90.66 feet of wood. If he gave Jim 15.4 feet, Allison 20.69 feet and Cory
32.02 feet, how much does he have left?

Answers

Answer:

22.55 ft of wood is what mr. webb will have left

Point Mis the midpoint of segment AC. Point M is located at (25.5, 60.1), and point Cis

located at (18.3, 72.5).

A

B

M (25.5, 60.1)

D

C (18.3, 72.5)

Find the location of point A. Round to the nearest tenth.

"write your answer as a coordinate with parenthesis and a comma separating the x and y.

value

Answers

Answer:

(21.9, 66.3)

Step-by-step explanation:

Given the coordinates A (25.5, 60.1) and C (18.3, 72.5)

The formula for calculating the midpoint is expressed as;

M = {(x1+y1)/2, (y2+y1)/2}

X = (x1+y1)/2

Y = (y2+y1)/2

From the given coordinates A (25.5, 60.1) and C (18.3, 72.5)

x1 = 25.5, y1= 60.1, x2 = 18.3 and y2 = 72.5

X = (25.5+18.3)/2

X = 43.8/2

X = 21.9

Y = (72.5+60.1)/2

Y = 132.6/2

Y = 66.3

The midpoint of the coordinates M will be M(21.9, 66.3)

Andre ran 2 kilometers in 15 minutes, and Jada ran 3 kilometers in 20 minutes.
Both ran at a constant speed.
Did they run at the same rate? Explain or show your reasoning.
I
They did not run at the same rate because

Answers

Answer:

They do not run at the same rate because Jada ran at a rate of .150km per min, while Andre ran at .133333 km per minute.

Step-by-step explanation:

Andre ran : 2km/15min = .133333km per min

Jada ran: 3km/20min=.150km per minute

.150>.1333, so Jada ran at a higher rate of kilometers per minute.

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C My father, who is one of the few Indians who went to Catholic school on purpose, was an avid reader of westerns, spy thrillers, murder mysteries, gangster epics, basketball player biographies and anything else he could find. D My father loved books, and since I loved my father with an aching devotion, I decided to love books as well. 2 The author establishes that reading brought order to his world as a child by A listing how his father purchased books by the pound and read books of all genres B comparing a paragraph to a fence and his family to an essay of seven paragraphs C explaining how he coped with being ill as a child by reading when he missed school D contrasting the two types of Indian students he taught as a visiting teacher 3 Read this quotation from paragraph 4. 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