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
maks197457 [2]
3 years ago
15

Can someone do this equation for me -11=a+5+7a

Mathematics
2 answers:
evablogger [386]3 years ago
8 0

Answer:

a=-2

Step-by-step explanation:

5 go to another side by negative sign

and the coefficients of a will added

-16=8a

8 go to the other side

a=-2

BlackZzzverrR [31]3 years ago
5 0

Answer:

a = -2

Step-by-step explanation:

  1. Combine like terms: 7a + a = 8a
  2. Re-write the expression: -11 = 5 + 8a
  3. Subtract 5 from each side, so it now looks like this: -16 = 8a
  4. Divide each side by 8 to cancel out the 8 next to a. It should now look like this: -2 = a

I hope this helps!

You might be interested in
One zero of f(x)=x^3-2x^2-5x+6 is 1 what are other zeros of the function
elena-s [515]

Answer:

The other zeros are -2 and 3.

Step-by-step explanation:

As 1 is a zero then (x - 1) is a factor so we divide:

x - 1 )x^3-2x^2-5x+6(x^2-x-6

        x^3-x^2

              -x^2-5x

              -x^2+x

                      -6x+6    

                      -6x+6

                       ...........

x^2 - x - 6 = 0

(x - 3)(x + 2)

x = -2, 3.

7 0
3 years ago
Read 2 more answers
2x + 4y = 22<br>2x - 2y = -8​
NISA [10]

Answer:

2x+4y=22

-2x+2y=+8

6y=30

y=5

now

replace the value of y in equ i

2x +4y =22

2x+20=22

x=1

6 0
3 years ago
Read 2 more answers
If I plan to run 400 yards and I have completed 80%, how many yards do I have left?
Dimas [21]

Answer:

You have 80 yards left to run.

Step-by-step explanation:

To solve this problem, we first must realize that if you have completed 80% of the run, that you have 20% left (this is because 100%-80% = 20%).  

Next, we must find 20% of 400 yards.  We must remember that in math, the word "of" represents multiplication.  We also know that 20% = 20/100 = 0.2.

To find 20% of 400 yards, we can perform the following operation:

20% * 400

0.2 * 400

80

Therefore, you have 80 yards left.

Hope this helps!

7 0
3 years ago
Marcus states that the polynomial expression 3x3 – 4x2y + y2 + 2 is in standard form. Ariel states that it should be y2 – 4x2y +
lora16 [44]

Answer:

Here Ariel is wrong because 3x^3 is higher power than y^2

3x^3 goes first

then the mixed term -4x^2y

then the y^2

then the 2

So, Marcus is right

Standard form means that you write the terms by descending degree. here's main rules how to write polynomial expression in the standard form:

1. write the term with the highest exponent first (terms of third degree in our case 3x^3 );

2. write the terms with lower exponents in descending order (term -4x^2y followed by y^2 );

3. remember that a variable with no exponent has an understood exponent of 1 (here are no such terms);

4. a constant term (a number with no variable) always goes last (term 2).

4 0
3 years ago
Read 2 more answers
your bedroom is in the shape of a square that is 12 feet long on each side. Will a circular rug with a circumference of 40.82 fe
kotegsom [21]
Circumference = PI * diameter
diameter = Circumference / PI
diameter = 40.82 / 3.14159265
diameter = <span> <span> <span> 12.9934095689 </span> </span> </span>
Basically, the rug is roughly 1 foot wider than the room.


7 0
3 years ago
Other questions:
  • You choose a card at random. what is each probability?
    13·1 answer
  • Find the greatest number of sweaters she can buy
    8·2 answers
  • So my mind went blank here, however im paying 30 points for doing it step by step, thanks in advance! And it's also two question
    15·2 answers
  • The calculated average of a data set best describes which of the following
    8·1 answer
  • What fraction of a meter is 3 centimeters?
    10·2 answers
  • Lisa is making a juice-mix that uses orange juice and pineapple juice in 6:7 ratio. Which all of the following options describe
    11·1 answer
  • Read this scene from The Miracle Worker Act 2.
    8·2 answers
  • 21/ 21 What is the equivalent​ decimal?
    11·2 answers
  • Find the unit rate. Enter your answer as a mixed number. A fertilizer covers 58 square foot in 12 hour ___ The unit rate is squa
    14·1 answer
  • Which of the following equations has a slope of 3?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!