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
Reil [10]
3 years ago
7

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?

Mathematics
1 answer:
brilliants [131]3 years ago
4 0

x^2+20=2x \\x^2-2x+20=0 \\x=\frac{2+\vee-\sqrt{-76}}{2}\Longrightarrow\boxed{x\notin\mathbb{R}}

You might be interested in
Help Please. Can't seem to understand how to do this. I have tried and watch over 5 videos. Can't seem to get it.​
Snezhnost [94]

Answer:

The solutions are the following:

  • z=2(cos(π6)+isin(π6))=√3+12i

  • z=2(cos(2π3)+isin(2π3))=−1+i√3

  • z=2(cos(7π6)+isin(7π6))=−√3−12i

  • z=2(cos(5π3)+isin(5π3))=1−i√3

<em>hope this helps!! :) --Siveth</em>

7 0
2 years ago
A point 4 units to the left of the y-axis is reflected across the y-axis. What is the distance between the point and its reflect
prisoha [69]
8 units, what tends to help is to visualize or draw what the problem is asking of you.

5 0
3 years ago
Read 2 more answers
A jar contains 3 pennies, 5 nickels, 4 dimes, and 6 quarters. If a coin is selected at random, what is the probability of select
klio [65]

Answer:

Step-by-step explanation:

3 out of 18 chance

5 0
3 years ago
Read 2 more answers
HELP ME OUT PLEASE AND THANK
anyanavicka [17]

Area of triangle: A = bh/2

Solve with the given values.

A = 4.5*2.25/2

A = 10.125/2

A = 5.0625

Round.

5.0625 -? 5.06

Best of Luck!

7 0
3 years ago
aimee's karate class last 1 hour and 15 minutes and is over at 5:00 pm. what time does Aimee's karate class start?
umka21 [38]
To solve this you would have to subtract 75 minutes from 5:00.

This would make the start time 3:45 pm.
8 0
3 years ago
Read 2 more answers
Other questions:
  • a coin bank holds nickels, dimes, and quarters. there are 54 coins in the bank and the value of the coins is $4.75. if there are
    7·1 answer
  • Suppose that an individual has a body fat percentage of 19.7% and weighs 157 pounds. How many pounds of his weight is made up of
    10·1 answer
  • A circle with a radius of 6cm sits inside a circle with radius of 9cm
    8·2 answers
  • A figure formed by two rays that have the same endpoint
    6·1 answer
  • Z -7, when z=6 PLS HELP MY I AM NOT SURE IF I DID IT RIGHT I HAVE TO TURN THIS IN TOMORROW
    7·2 answers
  • HALP ME PLEASE VERY IMPORTANT ASSIGNMENT!!!
    6·2 answers
  • Please help me asap​
    12·2 answers
  • Help please<br> Please help
    14·1 answer
  • Please help !!!!!!!!!! Will mark Brianliest answer !!!!!!!
    15·1 answer
  • Taylor and her children went into a movie theater and she bought $81 worth of bags of popcorn and candies. Each bag of popcorn c
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!