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
anzhelika [568]
3 years ago
5

What is 21(2-x)+12x=44

Mathematics
1 answer:
Sedaia [141]3 years ago
4 0
21(2-x)+12x=44    21x2=42  21x-x=21x
42-21x+12x=44    -21x + 12x= -9x
42-9x=44
-42       -42
9x=2                      9x/9=x  2/9=4.5
x=4.5


You might be interested in
Please help I will mark brainlyest​
IgorLugansk [536]

Answer:

C.  x^5/2 + 6x^3/2 + 1.

Step-by-step explanation:

(x^3 + 6x^2 + x^1/2) / x^1/2

= x^(3 - 1/2) + 6 x(2-1/2) + 1

= x^5/2 + 6x^3/2 + 1.

3 0
3 years ago
Iq scores follow a normal distribution with mean 100 and standard deviation 15. give 100 random city college students a standard
kipiarov [429]
About 68% of the people will score between 85 and 115.

The values of 85 and 115 are exactly 15 points away, or 1 standard deviation, away from the mean.

According to the empirical rule, about 68% of the values in a normal distribution are within 1 standard deviation of the mean.
4 0
3 years ago
Under which angle conditions could a triangle exist? Check all that apply.
Komok [63]
<span>Triangles exist:
</span>3 acute angles<span> 2 acute angles, 1 right angle
</span><span>2 acute angles, 1 obtuse angle
</span>
Triangles DON'T exist for:
<span>1 acute angle, 1 right angle, 1 obtuse angle
</span><span>1 acute angle, 2 obtuse angles</span>


6 0
3 years ago
Read 2 more answers
12.Se consideră mulţimile A={3x-1, 2x+1, 4x+2} şi B={x+1, x+2, 2x+4} unde x ∈ N. Valoarea lui x pentru
Artyom0805 [142]

Answer:

which language is this????

3 0
3 years ago
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!
marin [14]

Yo sup??

To solve this question we have to apply trigonometric ratios

sin36=XY/WY

WY=XY/sin36

=8.5

Hope this helps.

7 0
3 years ago
Other questions:
  • A school district has two high schools. The district could only afford to hire 13 guidance counselors. Determine how many counse
    7·1 answer
  • A clothing sells 26 shirts and 22 pairs of jeans. Each item of clothing costs $32. What is a reasonable estimate for the total c
    5·2 answers
  • Solve 3(x + 5) = 2x + 35
    8·2 answers
  • seventy-five percent or 15 of the students in emily's homeroom class are going on the field trip two thirds or 12 of the student
    6·1 answer
  • The total cost to repair Deborah's computer is repersented by0.08(50h)+50h, where h represents the number of hours it takes to r
    10·1 answer
  • Please help me with this homework
    12·2 answers
  • The number of penguins in Antarctica decreased by 30% between last year and this year. Last year there were 650 penguins. What i
    11·2 answers
  • How has the green figure been transformed to form the red figure?
    14·2 answers
  • Solve the systems of equations using elimination
    9·1 answer
  • A baker has baked 10 loaves of bread so far today and plans on baking 3
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!