Solve |x| = -15
i need help

Answers

Answer 1

answer is 15

cuz its absolute value

Answer 2

Answer:

x=±15

Step-by-step explanation:

When we have absolute value equations, the first step is always to isolate the absolute value. This has already been done.

We know that a quantity in absolute value can be negative or positive, so in order to solve for it, we take the quantity inside the expression--in this case x--and set it equal to negative OR positive of the term on the right side. In this problem, this step would look like this:

[tex]x=-15[/tex] (the original right-side quantity)

and you would also need to solve for

[tex]x=15[/tex]

So [tex]x[/tex] can be ±15


Related Questions

can someone use the Pythagorean theorem to solve these?!?!

I tried it yesterday and i didn't solve it correctly ;c
just read it and try to solve plzzzzzz ;c

Answers

Answer:

127.3

Step-by-step explanation:

90^2+90^2=16200

[tex]\sqrt{16200}[/tex]=127.2792206

127.3 to the nearest tenth

please help
c. (3,6)
d. (9,6)

Answers

Answer:

I believe that the answer is A. (-3,0)

Step-by-step explanation:

I reflected it over y=3 and that is what I got as an answer. Let me know if I am wrong.

(3x²y)2
How do you simplify?

Answers

Answer:

answer 6x^2 × 2y

Step-by-step explanation:

multiply 2 with the parentheses

Answer:

the answer is 6x²y.......

El producto de 5 por un numero al cuadrado?

Answers

Answer:

25

Step-by-step explanation:

5*2 =25

Solve the system of equations and choose the correct answer from the list of options.
d + e = 15
-d + e = -5
Label the ordered pair as (d, e).
O (0, 0)
O (10,-5)
O (5, 10)
O (10,5)

Answers

9514 1404 393

Answer:

  d.  (10, 5)

Step-by-step explanation:

Add the two equations, and you get ...

  2e = 10

  e = 5

Solve the first one for d and you have ...

  d = 15 -e

  d = 15 -5 = 10

So, the solution is ...

  (d, e) = (10, 5) . . . . . matches the last choice

_____

Check

  d + e = 10 + 5 = 15

  -d + e = -10 +5 = -5

Find the distance between (-6,8) and (10,-4)

Answers

Answer:

use the distance formula you can find it on the net

The distance between (-6,8) and (10,-4) is 20 units.

What is the distance between two points ( p,q) and (x,y)?

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

[tex]D = √[(x-p)² + (y-q)²] D = \sqrt{(x-p)^2 + (y-q)^2} \: \rm units.[/tex]

We are given that;

The points (-6,8) and (10,-4)

Now,

To use the formula, you need to plug in the values of x1, y1, x2 and y2 into the formula and simplify. For example, to find the distance between (-6,8) and (10,-4), you can do:

d = (10 - (-6))^2 + (-4 - 8)^2

d = (16)^2 + (-12)^2

d = 256 + 144

d = 400

d = sqrt(400)

d = 20

Therefore, the distance formula the answer will be 20 units.

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Updated/Repost.
Given: 3x + 2y + 7 = 5x +3y +10
Prove: m = -2
(Hint: slope)

Answers

Answer:

3x + 2y = -2

Reason: This is because 3x + 2y = 10 for the variable y. 3x-10= 2y.

Since

_____________________________________________________

3x + 7 = -2

Reason: This is because 3x+10= 2y

_____________________________________________________


Richard is 11 years older than Sushil. Caroline is 8 years younger than Sushil. If the total of their ages is 60, how old is the youngest of them?

Answers

Answer:

 s=19, r=30,c=11

Caroline is young

Step-by-step explanation:

Hope this helps !

By what number should 81 be divided to get a perfect cube​

Answers

Answer:

9, I think, I hope this is right

Answer:

3

Step-by-step explanation:

This is because 81/3 is 27 which is a perfect cube

Hope this helps you.

Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?

A)the starting point
B)the direction
C)the end point
D)the time per meter

Answers

Answer: the direction

Answer:

B). the direction

Step-by-step explanation:

Edgen 2021

A tire shop promotes its business using a large model of a tire on its roof. The
model tire uses a scale in which 2 feet represents 3 inches. The actual tire used
to create the model tire has a diameter of 33 inches.
What is the diameter of the model tire on the shop's roof

Help plz!!! I need the work shown

Answers

Answer:

Ok, so this tire is 2 feet which is represented by 3 inches.

So, since the tire has a diameter of 33 inches, we multiply 33 by 3

33 times 3 is 99.

The diameter of the motel tire on the shop's roof is 99 inches.

Step-by-step explanation:

The data in this table represents a linear function.

What is the slope of this line?


27

13

3

72




x y
2 7
5 16
7 22
9 28

Answers

the answer is 3x :) which is the 3rd option

The equation of a line is given by:

y = mx + c

Where m is the slope.

Slope = (d - b) / (c - a)

Where (a, b) and (c, d) are the two points.

The slope of the linear function is 3.

What is an equation of a line?

The equation of a line is given by:

y = mx + c

where m is the slope of the line and c is the y-intercept.

Example: y = -3x - 4

Slope = -3 and y-intercept is -4.

We have,

A table that represents a linear function.

x  y

2  7

5  16

7  22

9  28

We can have points such as:

(x, y) = (2, 7), (5, 16), (7, 22), and (9, 28)

We can select any two points and find the slope.

(2, 7) = (a, b)

(5, 16) = (c, d)

Slope:

= (d - b) / (c - a)

= 16 - 7 / 5 - 2

= 9 / 3

= 3

Slope = 3

Thus,

The slope of the linear function is 3.

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Write multiplication expression to represent the change in temperature after the plane ascends 10,000 feet .... Above it says there is a 1.3°F drop in temperature for every thousand feet that an airplane climbs into the sky the temperature on the ground is -2.8°F... part b says what will the temperature b when the plane reach's an altitude of 10,000 feet

Answers

Answer:

1.3°F * 10 = 13°F

10.2°F

Step-by-step explanation:

Given that:

Temperature on the ground = - 2.8°F

Change in temperature per 1000 ft rise = 1.3°F

Change in temperature after the plane ascends 10000 ft

Change in temperature per 1000ft rise * (10000/1000)

1.3°F * 10 = 13°F

B.) Temperature at 10,000 feets

Temperature on ground + change in temperature at 10,000ft

-2.8°F + 13°F

= 10.2°F

I'M GETTING GRADED ON THIS, PLEASE HELP!!!!

Analyze the function below. Then explain why the function is classified as even, odd, or neither.

Answers

Answer:

I'm reallly sorry if this is wrong, but I believe it is neither

Step-by-step explanation:

Odd and even functions need to exhibit some sort of reflection symmetry across the x axis (i think--we are learning this rn) and the graph does not seem to show this so i believe it is neither... i could be wrong thooughh

I NEED HELP DUE IN 2min pleaseeee

Answers

Am I to late??????????
I not sure maybe we are



Find the difference. You may find using a number line to be helpful. Enter your answer as a simplified
mixed number.



Answers

Answer:

-2/9 - (-2) = -2 2/9 :)

Step-by-step explanation:

Write an equation of the perpendicular bisector of the segment with endpoints (4,0) and (2,-4) Write your equation in slope intercept form

Answers

Answer:

nsnsjsjsnsnznnznzznznz

A retail store is buying a 500 count for a device and another 200 count for another version of the same device that costs $100 less than the original. What is the maximum cost of the original device, given that the store did not go over the budget of $155,000?(1 point)

no more than $150

less than $250

less than $150

no more than $250

Answers

Answer less than 250

Step-by-step explanation:

Answer: no more than 250

Step-by-step explanation:

What are the solutions to the following equation? x^2+8x+15=0

Answers

Answer: It can be either one.

x=−3

or

x=−5

Read this word problem.
A guppy was swimming 8 feet below the surface of the river. It swam down 6 more feet
to escape a large, hungry fish. What is the position of the guppy now relative to the
surface?
To solve the problem, Jenna subtracted 8 - 6 and came up with an answer of 2 feet. Is Jenna
correct? Why or why not?

Answers

Answer:No because once the guppy swam down 8 feet below the surface of the river the 8 is now negative since the surface of the ocean is 0 and 0-8=-8 and then he swam down 6 feet more so we have to subtract-8-6= -14 feet so the position of the guppy is now -14 feet below sea level.

Step-by-step explanation:

The price that a company charged for a computer accessory is given by the equation 100-10x2 where x is the number of accessories that are produced, in millions. It costs the company $10 to make each accessory. The company currently produces 2 million accessories and makes a profit of 100 million dollars. What other number of accessories
produced yields approximately the same profit?
O 1.45 million
O 3.45 million
O 40 million
O 48 million

Answers

Answer: 1.45 million is your answer

Step-by-step explanation:

edge

The number of accessories produced that yields approximately the same profit as 2 million is 3.45 million. The correct option is B.

What is Revenue?

Revenue is defined as the money generated by normal business operations and is calculated by multiplying the average sales price by the number of items sold.

The profit (P) made by the company can be calculated as follows:

P = (Revenue) - (Costs)

Where Revenue = (Price per accessory) × (Number of accessories produced), and Costs = (Cost per accessory) × (Number of accessories produced).

So, using the given information, we can write:

P = (100-10x^2) x - (10x)

where x is the number of accessories produced in millions.

We know that the company makes a profit of 100 million dollars when it produces 2 million accessories, so we can set P = 100 and x = 2, and solve for the constant of proportionality k:

100 = (100-10(2)^2)(2) - (10)(2) + k

k = 200

Now, we can set P ≈ 100 again and solve for x, using k = 200:

100 = (100-10x^2)x - (10x) + 200

0 = -10x^3 + 10x^2 + 10x + 100

0 = -x^3 + x^2 + x + 10

We can solve this equation using synthetic division or by using a graphing calculator, and we find that there is a root between x = 3 and x = 4.

Therefore, the number of accessories produced that yields approximately the same profit as 2 million is 3.45 million, which is option B.

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A recipe requires 7/8 stick of butter for each 1 1/4 cups of flour. Find the unit rate of sticks of butter to cups of flour.

Answers

Answer:

Let R = unit rate

R = (7/8) ÷ 1_1/4

R = (7/8) ÷ (5/4)

R = (7/8) • (4/5)

R = (7/2) • (1/5)

R = 7/10

Step-by-step explanation:

if John had 1/10 of a pizza, and wanted to between 8
friends , how much would each person get?
I’m not good at math and I need this so please help me

Answers

Answer:

If there are 10 slices and he wants to split between 8 friends and himself. Each friend would get a slice and there would be one remaining.

Step-by-step explanation:

Write an equation of the line that passes through (3,8) and is perpendicular to the line y=5x-4

Answers

For lines perpendicular to a line you find the negative reciprocal of the gradient of that line in this case it is -0.2 or -1/5
Then you substitute the new gradient and the point into the equation of a line
8=-0.2(3) +c
8=-0.6+c
8.6=c
After wards you substitute only the gradient and the y intercept in the line eq’n
Y=-0.2x+8.6

Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total of $49.10.
Write an equation to determine the distance in miles (x) between the airport and Ann's home
Find the distance between the airport and Ann's home.

Answers

Answer:

$2.10x + 5= $49.10

x=21

Step-by-step explanation:

the x is used for a variable that changes and in this case the mph changes which lead x being the amount of miles that they had drove which at the end ends up multi. with the $2.10 . as for the 5 it was an initial as in it doesn't change.

for the second part

you subtract 5 from each side so you have the total of 2.10x= 44.10 then u divide 2.10 from each side and that will give you x = 21

y−3=−12(x+4) i need help

Answers

Answer:

if it's a slope x=12 if it's for find the value of x its y over 12 -17 over 4

If solving a system of linear equations by elimination or substitution I get that 0=0, as final or intermediate step depending on the system, it means (check all that apply)

I have definitely made a mistake and need to review the result

If the system of equations is 2 linear equations in 2 variables, there is infinity number
of solution

If the system of equations is 3 linear equations in 3 variables, there might be infinite
number of solutions

If the system of equations is n linear equations in n variables, there is one unique solution

Answers

Answer:

If I get 0=0 then it means:

If the system of equations is 2 linear equations in 2 variables, there is infinity number of solutionsIf the system of equations is 3 linear equations in 3 variables, there might be infinite  number of solutions

Step-by-step explanation:

Linear equation systems can consist of two or three equations with two or three unknowns respectively.

A system of linear equations in two variables has infinite solutions when the lines made by them overlap each other and similarly a system with three variables has infinite solutions when two lines overlap each other and third plane is parallel to them

Hence,

If I get 0=0 then it means:

If the system of equations is 2 linear equations in 2 variables, there is infinity number of solutionsIf the system of equations is 3 linear equations in 3 variables, there might be infinite  number of solutions

Which values represent solutions to the equation?

Tangent (StartFraction 3 pi Over 4 EndFraction minus 2 x) = negative where x Is an element of [0, Pi]

Answers

answer: BStep by step: On edginuty

The solution set for the given expression is {0,  π/2,  π}.

Which values of x are solutions for the given expression?

Here we have the expression:

[tex]tan(\frac{3\pi}{4} -2x) = -1[/tex]

First, we know that:

[tex]tan(\frac{3\pi}{4}) = -1[/tex]

So, if x = 0, the equation is true, which means that x = 0 is a solution.

And the tangent function as a period of pi.

This means that:

tan(x) = tan(x -  π) = tan(x - 2*π) etc.

Then if x = π/2 and x = π also are solutions, so we conclude that the solution set is:

{0,  π/2,  π}

If you want to learn more about the tangent function:

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can someone please help me.

Answers

A is the answer hope this helps

what is not a characteristic of point?

Answers

Answer:

A flat surface is not a characteristic point if I'm wrong sorry you should list the following.

Step-by-step explanation:

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