2x² - 4x - 6 = 0, what is the positive solution to the equation? ​

Answers

Answer 1

I believe it's x = 3.

Step-by-step explanation:

Common factorDivide both sides by the same factorUse the quadratic formulaSimplifySeparate the equationsSolve

Solution: x = 3


Related Questions

5. Three lines are drawn so that they all intersect at a common point. In the figure below, m41
=
x°, mL2 = 2x°, and m43 = 75°.
Which equations can be used to determine the value of x?
Select all that apply.
A. 3x° = 75°
B. 3x° =
105°
C. 3x° = 255°
D. 3x° + 75° = 180°
E. x° + 2x° + 75° =
180°
F. x° + 2x° + 3x° = 360°

Answers

Answer: BDE

Step-by-step explanation:

Because angles 1, 2, and 3 form a straight angle, x+2x+75=180 -> E

Simplifying, we get that 3x+75=180 -> D

Subracing 75 from both sides, we get 3x = 105 -> B

When graphing the equation y=-3x+2, a student plotted the y-intercept at 2, then moved down three units and to the left 2 units because the slope is negative, so both rise and run are negative. Find this error and correct it.

Answers

Answer:

The error is founded in the slope, specifically in the run.

When seen a negative slope, that only applies to the rise but not the run.

Instead, the student should run 1(not 2) units to the right.

The slope had not mentioned any 2 in the run.

So it would sound like down 3, over 1, starting from 2.

The y intercept at 2 is correct. This is the location (0,2)

The slope is -3 or -3/1, meaning that we move down 3 and to the right 1 unit. Doing so has us go from (0,2) to (1,-1). Plot these two points together on the same xy grid and draw a straight line through the two points.

See below.

Find the area of the rhombus?

Answers

Answer: 84.5cm^2

Step-by-step explanation:

to find the area you need to use d1d2/2. So you plug in the numbers and get 13*13\2 and get 84.5

which of the following are possible sode lengths for a triangle? A. 5, 18, 14 B. 9, 15, 4 C. 18, 12, 6​

Answers

answer: 5, 18, 14.

explanation: i just did it on acellus.

Please hurry!! Love ya

Answers

Answer:

the answer is c

Step-by-step explanation:

Which statement is true about angles 1 and 2?
Angles 1 and 2 are complementary.
Angles 1 and 2 are vertical.
Angles 1 and 2 are supplementary.
Angles 1 and 2 are adjacent.

Answers

Answer:

they are complementary

Step-by-step explanation:

complementary means adding up to 90° and it's true Abt the two angles

WILL MARK BRAINLIEST IF RIGHT
EXTRA POINTS!!! HELP

Answers

Answer:

Step-by-step explanation:

For interiors, you can choose <3 and <6

<2 and <7 will go together.

<1 and <5 for corresponding

Tell whether the angles are adjacent or vertical. Then find the value of x.

Answers

Answer:

Adjacent; x = 15

Step-by-step explanation:

90° is the total for this shape.

4x + 2x = 90

6x = 90

x = 90/6

x = 15

help me pleaseeeeeeeeee ​

Answers

Answer:

82.799...°

Step-by-step explanation:

First, we have to identify how many votes equals 1°

Therfore we divide 4700 by 360° because there are a total of 4700 votes and there are 360° in a circle.

(4700/360) = 13.055...

1° = approximately 13 votes

Secondly, let's look at how many votes Watkins received.

1081 votes

Lastly, since 1° equals 13.055... votes,

then if we divide the number of total votes Watkins got by 13.055 we will find the value of the central angle for the Watkins slice.

1081 ÷ 13.055... = 82.7999..

***"
Factor. 8lb+ 27c - 150
-
+
-
A. 9(73b + 18c-6d)
B. 3(27b + 9c - 5d)
C. 9(96 + 3c - 150)
D. 6(246 + 4c - 3d)

Answers

Answer:

Option B:  3(27b + 9c - 5d)

Step-by-step explanation:

The equation is actually 8lb+ 27c - 15d

A common factor is 3:

3(27b + 9c -5d)

Option B:  3(27b + 9c - 5d)

The perimeter of a rectangular parking lot is 368 m.
If the width of the parking lot is 86 m, what is its length?

Answers

Answer:

98

Step-by-step explanation:86+86=172

368-172=196

196/2=98

Evaluate: -216 + (-6)

Answers

Answer:

-222

Step-by-step explanation:

Answer:

-222 cause a negative plus another negative gets you a positive

Step-by-step explanation:

please hurry yyyyyyyyyyyyyyyyyy!!!!!!!!!!!!!!

Answers

Answer:

the answer is c

Step-by-step explanation:

Select all the rectangles that have an area of 15/24 square inches.

Answers

Answer:

BD

Step-by-step explanation:

Area of a rectangle

Base x Height

Rectangle B

3/8 x 5/3 = 15/24 square inches

Rectangle D

5/4 x 3/6 = 15/24 square inches

Answer:

Options B and D

Step-by-step explanation:

Step 1:  Determine the area of Option A

[tex]A = l * w[/tex]

[tex]A = (5/8\ in) * (10/3\ in)[/tex]

[tex]A = 50/24\ in^2[/tex]
[tex]A = 25/12\ in^2[/tex]

Step 2:  Determine the area of Option B

[tex]A = l * w[/tex]

[tex]A = (5/3\ in) * (3/8\ in)[/tex]

[tex]A = 15/24\ in^2[/tex]

Step 3:  Determine the area of Option C

[tex]A = l * w[/tex]

[tex]A = (8/6\ in) * (7/4\ in)[/tex]

[tex]A = 56/24\ in^2[/tex]

[tex]A = 7/3\ in^2[/tex]

Step 4:  Determine the are of Option D

[tex]A = l * w[/tex]

[tex]A = (3/6\ in) * (5/4\ in)[/tex]

[tex]A = 15/24\ in^2[/tex]

Step 5:  Determine the area of Option E

[tex]A = l * w[/tex]

[tex]A = (5/15\ in) * (3/9\ in)[/tex]

[tex]A = 15/135\ in^2[/tex]

[tex]A = 1/9\ in^2[/tex]

Answer:  Options B and D

4 friends evenly divided up an n-slice pizza. One of the friends, Harris, ate 1 fewer slice than he received.
How many slices of pizza did Harris eat?

Answers

Answer:

4 friends evenly divided up a n -slice pizza.

So, the number of slices each friend received = n/4

Now, Harrison ate 1 fewer slice than he received. As he received n/4 slices, so 1 fewer than n/4 means......

Harrison ate n/4-1 slices of pizza.

Step-by-step explanation:

Sharon packed 36 eggs into a carton with 4 rows. How many columns are in the cartons?
3
9
36
12

Answers

the answer is 9 columns

Answer:

The Answer would be 9

Step-by-step explanation:

I got it right on my test!

PLEASE ANSWER - BRAINLIEST IF 2 ANSWERS - 5 STAR RATING - THANKS (PROFILE TOO)
The ratio of the width to the height of a
television screen is 16:9.
If the height of the screen is 52 cm, which is
closest to the width?
a 92 cm
b 87 cm
c 59 cm
d 29 cm

----------------

Answers

Answer:

1-D

2.D

Step-by-step explanation:

Answer:

d. 256

d. 29 cm

Step-by-step explanation:

[tex]1) \: \: 25 - \sqrt{x} = 9 \\ \\ 25 - 9 = \sqrt{x} \\ \\ 16 = \sqrt{x} \\ \\ {(16)}^{2} = {( \sqrt{x} )}^{2} \\ \\ 256 = x \\ \\ x = 256 \\ \\ 2) \: \: 16x = 52 \\ \\ x = \frac{52}{16} \\ \\ x = 3.25 \\ \\ width = 3.25 \times 9 = 29.25 = 29[/tex]

Please help me on this question 20 points

Answers

Answer:

[tex]\left[\begin{array}{cc}10\\24\end{array}\right][/tex]

Step-by-step explanation:

Trial and error lol

What percentage of your gross earnings is taken by your employer for FICA?
7.9%
5.8%
6.2%
3.2%

Answers

Answer:

well non of the answer choices are exact but i would say a/the first one. im not sure but they should add up to about 7.65%.

Step-by-step explanation:

Answer:

So each party – employee and employer – pays 7.65% of their income, for a total FICA contribution of 15.3%. To calculate your FICA tax burden, you can multiply your gross pay by 7.65%:

BUT EACH FICA TAX IS 6.2% Social security and 1.45% respectively

The reason it says 7.65 because it also depends on where you live, but it should be around the 7.65 to 7.9 mark

If a = 90÷6, a=?. 90÷6=
A=3
B=10
C=19
D=None of the above.

Answers

Answer:

D, none of the above

Step-by-step explanation:

90/6=15, and 15 is not an answer choice

Answer: D

Step-by-step explanation: None of the above. Answer is 15

If f(x)=x-2, what is f¹(x)?

Answers

Ummm I think 4 it’s the double

A TV has a listed price of 515.95 before tax. If the sales tax rate is 9.75%, find the total cost of the TV with sales tax included.

Answers

Answer:

566.25

Step-by-step explanation:

515.95×9.75%=50.30

515.95+50.30=566.25

before his shopping spree, Elmer owned 52 scooters. Then he bought 82 more scooters. what is the ratio of scooters purchased to the resulting total number of scooters.

Answers

Answer:

Step-by-step explanation:

82 / (52+82)

82 / 134

41 / 67  

create a line plot for the given
ages.
43, 40, 46, 40, 48, 50, 44, 44,
42, 41, 45, 42, 46, 44, 40

Answers

Answer:

here you go

Step-by-step explanation:

40, 40, 40, 41, 42, 42, 43, 44, 44, 44, 45, 46, 46, 48, 50

PLEASE HELP!! 40 POINTS!!

Answers

Answer: B

We need to find the difference between the volume of the cone and the volume of the sphere, because it doesn’t contain ice.

Volume of the CONE:
[(pi)r^2(h)] : 3 = [3.14 (16) (6)] : 3 = 100.48in^3

Volume of the SPHERE:
4/3(pi)(r^3) = 4/3(3.14)(0.4)^3 = 0.26794666666 (periodic)

V(cone) - V(sphere) = 100.21205333333 (periodic)

The calculations follow the number [B].

whats is the answer too the equation 90000x604982?

Answers

90000x604982 = 54448380000


Alternative form: 5.444838 x 10^10

The graphs below have the same shape. Complete the equation of the red
graph. Enter exponents using the caret (^); for example, enter x as x^2. Do
not include "Fx) =" in your answer.

Answers

Answer: translation up by 5 units f(x)= x^2 +5

Step-by-step explanation:

A 19th-century explorer crossing a desert has run out of water. He has the best chance of surviving if he can find Choose one: A. an oasis. B. a rain shadow. C. a playa. D. an ephemeral stream.

Answers

The 19th-century explorer crossing a desert has the best chance of survival if he crossses an oasis.

What is an oasis?

An oasis is a patch of fertile land found in a desert. In an oasis, water is usually found there. Also, in an oasis, plants and animals are also found there.

Example of oases are:

Siwa Oasis, EgyptCrescent Moon Lake, Dunhuang, ChinaChebika Oasis, TunisiaHavasu Falls, Grand Canyon, USA

To learn more about an oasis, please check: https://brainly.com/question/4068816

Janet was given $500 by her grandmother to spend on invitations for her wedding. Three invitations cost $10 to print.Which equation can be used to represent y, the amount of money Janet has left after purchasing x wedding invitations?

Answers

Answer: y = - 3 [tex]\frac{1}{3}[/tex]x + 500

Step-by-step explanation:

       First, we will start off with y = since y is the amount of money left to spend.

       Next, we see that three invitations cost $10. $10 / 3 = 3 [tex]\frac{1}{3}[/tex]. One invitation will cost $3 [tex]\frac{1}{3}[/tex]

       Lastly, we will create our final equation in slope-intercept form:

y = - 3 [tex]\frac{1}{3}[/tex]x + 500

      Side Note: We also could write something like y = -10([tex]\frac{x}{3}[/tex]) + 500 if we did not want to change the cost.

HELPPP WHATS THE AREA

Answers

Answer:

i thin 30

Step-by-step explanation:

its 30 i think because AC is 6 and DB is 5 so 6x5=30

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