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
strojnjashka [21]
3 years ago
7

3x^2+24x+9=0 in vertex form (completing the square)

Mathematics
1 answer:
Drupady [299]3 years ago
6 0

Answer:

I tried everything and either I'm doing it wrong or you wrote this wrong

Step-by-step explanation:

You might be interested in
Is (x-4) a factor of f(x) = x3 - 2x2 + 5x + 1? Use either the remainder theorem or the factor theorem to explain your reasoning.
Virty [35]

Answer:

(x-4) is not a factor of f(x)=x³-2x²+5x+1

Step-by-step explanation:

Uding the remainder theorem,(x-4) is a factor if the remainder is 0

Plug in x=4

(4)³-2(4)²+5(4)+1

64-32+20+1

64-53

11

7 0
2 years ago
can anyone help tech me how to solve for tax and tip. im going to 6th grade and trying to get into the advanced group but I don'
baherus [9]

If something isn't clear or you're still confused about, let me know in the comments.

Step-by-step explanation:

Okay, here's my best try.

Suppose you have a bill for $8.45

If you are asked to add, say, 8% tax, you must calculate 8 percent of 8.45 and then add it to 8.45.

Begin by converting 8% to decimals by dividing by 100.

\frac{8}{100}=0.08 8% is 0.08 in decimal form.

To calculate a percentage of a number, you multiply the decimal percent by the number; example:

0.08(8.45) 8.45 is being multiplied by 0.08. The result is: 0.676. (this is the tax; however you have to round up to two decimal places: $0.68)

After finding the tax amount, if you are asked to add it to the bill, you have to add it to the original bill; in this case, $8.45

This would be: 0.68+8.45=9.13.

Therefore, the total bill after tax is for $9.13

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

With tips is the same thing, however, you can have 2 situations.

Situation 1: You are asked to calculate 15% tip of total bill.

In this situation, you can do the same we do to calculate tax.

Convert the percentage to decimal by dividing by 100.

\frac{15}{100}=0.15

and multiply it by the original bill.

0.15(8.45)=1.2675. Rounding up, this would be $1.27 for tip.

If you were to add it to the original bill, simply sum.

8.45+1.27=9.72

The total bill after tips is for $9.72

Situation 2: You are asked to calculate 15% tip of the total bill with a tax of 8% included.

In this situation, you must first calculate the total bill with the tax added, like we did above; we got a bill for $9.13 (Tax included)

Then you can calculate 15% tip of this new bill that has tax included.

Convert

\frac{15}{100}=0.15

Multiply by the new bill (because this is the one that includes tax)

0.15(9.13)=1.3695 Round up.... $1.37 for tips.

If you are asked to give a total amount of money including tax and tips, add this to the bill.

9.13+1.37=10.50

This bill would be for $10.50

3 0
3 years ago
At a farmers market, Samuel bought 3 pounds of apples for x dollars per pound and 2 bags of spinach for y dollars each. The next
Gelneren [198K]

Answer:

8x + 5y

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A bakery supplier receives an order for 2 tons of flour from a bakery chain. The flour is shaped in crates. Each crate holds eig
Arisa [49]
50 multiply 2000 by 2 then divide by 8 x10
5 0
3 years ago
Read 2 more answers
SOMEONE HELP !!! Please
Lelu [443]

Answer:

x = ± \sqrt{8} - 2

Step-by-step explanation:

x² + 4x = 4

to complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 4 + 4

(x + 2)² = 8 ( take square root of both sides )

x + 2 = ± \sqrt{8} ( subtract 2 from both sides )

x = ± \sqrt{8} - 2

3 0
1 year ago
Other questions:
  • A phone company charges $0.06 per minute for local calls and $0.15 per minute for international calls. When your bill comes, it
    14·1 answer
  • If there was a circle and i wanted to find out the area.
    5·1 answer
  • Natalie had a job after school. She worked 25 hours a week and got paid $6.25 an hour. How much money would she earn for two wee
    9·2 answers
  • 65qt 32 gal which is more
    11·1 answer
  • PLEASE HELP ME IN MATH
    13·1 answer
  • Which score has a higher relative position, a score of 38 on a test for which = 27 and s = 10, or a score of 262.7 on a test for
    9·1 answer
  • Math mates problem<br>the light purple is 99%<br>the dark purple is 25%
    13·2 answers
  • 270 students in an elementary school. There are 5 boys for every 4 girls. How many boys are there in school
    15·1 answer
  • A rectangular park is 40 m long and 24 m wide. A path 3m wide is constructed outside the park. Find the area of the path?
    8·1 answer
  • Three friends share 2 bags of trail mix equally.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!