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
Vika [28.1K]
3 years ago
5

Help! given 2(x-9)=-10 prove x=4 with statements and reasons

Mathematics
1 answer:
Sedbober [7]3 years ago
8 0

Step-by-step explanation:

<u>Proof:</u>

<em>2</em><em> </em><em>(</em><em> </em><em>x </em><em>-</em><em> </em><em>9</em><em>)</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>1</em><em>0</em><em> </em><em> </em><em>when </em><em>x </em><em>=</em><em> </em><em>4</em>

<em>2</em><em> </em><em>(</em><em> </em><em>4</em><em> </em><em>-</em><em> </em><em>9</em><em>)</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em><em>0</em>

<em>8</em><em> </em><em>-</em><em> </em><em>1</em><em>8</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em><em>0</em>

<em><u>-</u></em><em><u>1</u></em><em><u>0</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u> </u></em><em><u>-</u></em><em><u>1</u></em><em><u>0</u></em><em><u> </u></em>..........hence proven

<u>Reasons </u>

- When you replace X with 4, you can clearly see that the equation is equal to -10.

sorry I couldn't answer accurately, but I hope this helps

You might be interested in
How do I solve this
Montano1993 [528]
Use arccos...cos^-1 so

cos^-1 (0.8195)

it equals 34.96522689°
6 0
3 years ago
What is the surface area of this cylinder?
ElenaW [278]
A butt hole or a butt crack

8 0
3 years ago
Read 2 more answers
How could you find out whether your credit card company or loan service
Drupady [299]

A. Check your credit and see if it goes down per each check

B. Contact the company/Check with them

C. Don't ask if you use Credit Karma

7 0
3 years ago
PLEASE IM IN CLASSS RIGHT NOWWW
matrenka [14]
Im guessing 3 i really dont know.. i dont understand what it means by 4 channels.
6 0
2 years ago
a pool is leaking water at a constant rate. The amount of water in the pool changes by -1 1/4 every hour. what is the total chan
malfutka [58]

The total change in the water in the pool after 2 1/2 hours given the rate of leakage is -3 1/8,

<h3>What are fractions?</h3>

A fraction is a non-integer. It is made up of numerators and denominators. A mixed fraction is made up of a whole number and a proper fraction. An example is 2 1/2.

<h3>What is the total change in the water?</h3>

The total change in the water = -1 1/4 x 2 1/2

= -5/4 x 5/2 = -25/8 = -3 1/8

To learn more about multiplication of fractions, please check: brainly.com/question/1114498

6 0
2 years ago
Other questions:
  • After 8 years a loan grows to $75 210. If the interest was compounded annually at a rate of 8.5%, find the size of the initial l
    7·1 answer
  • ASAP HELP PLEASE:
    12·1 answer
  • 16x&gt;2x-3<br> Solve the inequality for x and show the steps
    6·1 answer
  • LMNO is a parallelogram. Determine the length of side LM
    14·1 answer
  • Please helpppp. I will give brainliest to best answer
    8·1 answer
  • Can someone please help me with this???
    15·1 answer
  • Point R(3, -2) is reflected over the line x=-2. What is the coordinate of R’?
    5·1 answer
  • Find the slope of the line that goes through the given points.<br> (-2, -3) and ( - 14,11)
    12·1 answer
  • -5=x/3minus 8 whats the answer
    8·2 answers
  • Greece has 12 sweets and she eat quarter of them.How many sweet She has left ?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!