1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nikitadnepr [17]
2 years ago
6

Use the X method to find the solutions of 62 + 2x - 20 = 0.

Mathematics
2 answers:
inysia [295]2 years ago
3 0

Answer:

x = -21

Step-by-step explanation:

62 + 2x - 20 = 0.

Combine like terms

42 +2x =0

Subtract 42 from each side

42-42 +2x = 0-42

2x = -42

Divide each side by 2

2x/2 = -42/2

x = -21

Vikentia [17]2 years ago
3 0

Answer:

x= -21

Step-by-step explanation:

62+2x-20=0 Subtract the numbers

42+2x=0 move the constant to the right.

2x = -42 divide both sides by 2

x = -21

You might be interested in
I need help with 11 and 12
Yakvenalex [24]

Answer:

Both are inverse pairs  

Step-by-step explanation:

Question 11

g(x)= 4 + \dfrac{8}{5}x

(a) Rename g(x) as y  

y = 4 + \dfrac{8}{5}x

(b) Solve for x :  

\dfrac{8}{5}x = y - 4

(c) Multiply each side by ⅝

x = \dfrac{5}{8}(y - 4) = \dfrac{5}{8}y - \dfrac{5}{2}

(d) Switch x and y  

y = \dfrac{5}{8}x - \dfrac{5}{2}

(e) Rename y as the inverse function  

g^{-1}(x) = \dfrac{5}{8}x - \dfrac{5}{2}

(f) Compare with your function

f(x) = \dfrac{5}{8}x - \dfrac{5}{2}\\\\f(x) = g^{-1}(x)

f(x) and g(x) are inverse functions.

The graphs of inverse functions are reflections of each other across the line y = x.

In the first diagram, the graph of ƒ(x) (blue) is the reflection of g(x) (red) about the line y = x (black)

 

Question 12

h(x)= x - 2

(a) Rename h(x) as y  

y = x - 2

(b) Solve for x:  

x = y + 2

(c) Switch x and y  

y  = x + 2

(e) Rename y as the inverse function  

h⁻¹(x) = x + 2

(f) Compare with your function

f(x) = x + 2

f(x) = h⁻¹(x)

h(x) and ƒ(x) are inverse functions.

The graph of h(x) (blue) reflects ƒ(x) (red) across the line y = x (black).

5 0
2 years ago
The sum of two numbers is equal to 63 and their differences are 12. Find the numbers.
icang [17]

Answer:

13.5

Step-by-step explanation:

5 0
3 years ago
Suppose that Y varies directly with X andY equals 12 when X equals -2 what is X when Y equals -6
VLD [36.1K]

Answer:

x=1

Step-by-step explanation:

A direct variation equation has the following format:

y=kx

Where k is a constant.

We know that y is 12 when x is -2. Thus, substitute:

12=-2k

Divide both sides by -2:

k=-6

So, our direct variation equations is:

y=-6x

To find what x is when y equals -6, substitute in -6 for y:

-6=-6x

Divide both sides by -6:

x=1

So, our answer is 1 :)

4 0
3 years ago
Which line is parallel to y=-4x+3?
Oxana [17]

Answer:

Step-by-step explanation:

x = 0

y = -4 (0) + 3

y = 3

(0,3) is a solution.

x-axis is parallel

6 0
2 years ago
Read 2 more answers
The distance between two cities on a map is 10 in. The actual distance between the cities is 135. What is the scale on the map?
spayn [35]
The scale on the map is 1 in = 13.5 units


135/10 = 13.5
4 0
3 years ago
Other questions:
  • Exponet form for 10x10x10x10x10x10x10
    12·2 answers
  • AB = 3x
    10·2 answers
  • A motorist drives from home to his office .The distance between his home and office is 32.27 km.After driving 15.65 km,he stoppe
    6·1 answer
  • GIVE OUT BRAINLY 2) Kathleen is a sales associate in a jewelry store. She earns $560/wk plus an 8% commission on sales. How much
    7·1 answer
  • How many seconds will tick away February 20th
    7·1 answer
  • Which statement explains how you can use a number line to determine the number that is 4 more than –9?​
    15·2 answers
  • What happens to the value of the expression 80/h as h increases from a small positive number to a large positive number?
    9·2 answers
  • I NEED HELP PLEASE !!!!
    15·2 answers
  • How are the concepts of markup and markdown related to the percent equation?
    8·2 answers
  • Draw a line representing the "rise" and a line representing the "run" of the line. State the slope of the line in simplest form.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!