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
kow [346]
3 years ago
13

Solve the following equation by combining like terms: 4y - 2y = 18

Mathematics
2 answers:
Lelechka [254]3 years ago
8 0

Answer:

y = 9

Step-by-step explanation:

Collect the like terms:

2y = 18

Divide both sides by 2 to make y on its own

y = 9

olga nikolaevna [1]3 years ago
3 0
4y-2y=18
(Collect like terms)
2y=18
(Divide like terms)
y=9
You might be interested in
14.4 .3 Two students are needed to work in the school store during the lunch hour every day, and four students volunteer for thi
Ray Of Light [21]

Answer:

6

Step-by-step explanation:

=4!/(4-2)!2!

=4x3x2x1/2x2

=12/2

=6

6 0
2 years ago
Find the distance CD rounded to the nearest tenth C=(5,6) D=(2,2)
Dmitriy789 [7]
2,2 is 3,4 away from 5,6 and 3²+4²=25=5² so CD=5
3 0
2 years ago
In LMN, m = 2.1 inches, n = 8.2 inches and L=85°. Find the length of I, to the
nirvana33 [79]

Answer:

8.3

Step-by-step explanation:use law of cosine

solve equation

substitute

simplify

6 0
2 years ago
Quadratic equations and complex numbers PLEASE HELPPPP ASAP
kondor19780726 [428]

we are given

27x^3-1=0

we can also write it as

(3x)^3-(1)^3=0

now, we can use factor formula

a^3-b^3=(a-b)(a^2+ab+b^2)

we can use above formula

we get  

(3x)^3-(1)^3=(3x-1)((3x)^2+3x\times 1+(1)^2)

now, we can simplify it

27x^3-1=(3x-1)(9x^2+3x+1)

now, we can set it to 0

27x^3-1=(3x-1)(9x^2+3x+1)=0

and then we can solve for x

(3x-1)(9x^2+3x+1)=0

3x-1=0

x=\frac{1}{3}

9x^2+3x+1=0

now, we can use quadratic formula

x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

now, we can plug values

and we get

x=\frac{-3\pm \sqrt{3^2-4\cdot \:9\cdot \:1}}{2\cdot \:9}

x=-\frac{1}{6}+i\frac{\sqrt{3}}{6},\:x=-\frac{1}{6}-i\frac{\sqrt{3}}{6}

So, we will get solution as

x=\frac{1}{3},\:x=-\frac{1}{6}+i\frac{\sqrt{3}}{6},\:x=-\frac{1}{6}-i\frac{\sqrt{3}}{6}...............Answer

5 0
3 years ago
What is the answer to -5+(-5r)+10
Law Incorporation [45]

Answer:

=−5r+5

Step-by-step explanation:

Let's simplify step-by-step.

−5−5r+10

=−5+−5r+10

Combine Like Terms:

=−5+−5r+10

=(−5r)+(−5+10)

=−5r+5

4 0
2 years ago
Read 2 more answers
Other questions:
  • What is the mean of Variable A? Express answer to one decimal place. Scatter plot on a first quadrant coordinate grid. The horiz
    6·1 answer
  • Now, select the blue pencil in the Compass Tool and create a perpendicular bisector of the diameter of your circle. Place the ce
    5·1 answer
  • What is the answer?<br><br> ____÷ (-2) = (-3)
    14·1 answer
  • Please help me with this question.
    12·2 answers
  • What is the value of x
    13·1 answer
  • A board measures 4 yards, 2 feet, and 6 inches. What is its length in feet?
    9·2 answers
  • ASAP
    8·1 answer
  • You randomly choose one hat from 3 green hats, 4 black hats, 2 white hats, 2 red hats, and 1 blue hat. What is the probability o
    9·2 answers
  • Find the mode for the<br> following data set {1,3,5,7,9]<br><br> PLS HELP
    13·1 answer
  • Order the numbers from least to greatest. 15, 20, –13, –20, –9, 7 A. 20, 15, 7, –9, –13, –20 B. –20, –9, 15, 20, –13, 7 C. 7, –1
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!