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
Brums [2.3K]
2 years ago
12

1. If x= 3, what is the value of the following expression?

Mathematics
1 answer:
konstantin123 [22]2 years ago
3 0

Answer:

A

Step-by-step explanation:

just try to get a chance to

You might be interested in
Find dy/dx by implicit differentiation for x + 2y = xy.
Stella [2.4K]
Ok to find dy/dx of x+2y=xy we take derivative of both sides with respect to x

1+2dy/dx = x*dy/dx +y*dx/dx
1+ 2dy/dx = x*dy/dx + y* 1
2dy/dx +1 = x*dy/dx + y

2y’ + 1 = xy’ + y

2y’ + 1 - xy’ = y

2y’ -xy’ = y - 1

y’(2-x) = y - 1

so we get finally

y’= (y-1)/(2-x)

Hope this helps you understand the concept! Any questions please ask! Thank you so much!!
4 0
3 years ago
39. You need to rent a car for a trip. Wrecko'mend charges $. 10 a mile plus a $30 flat fee. Rent a Wreck
Wewaii [24]

i think this is a systems of equations

putting this on a graph we have to equations:

y = 10x + 30

y = 20x

graph and find the intersection.

it has to be more than or equal to 3 miles i think for wreckomend

5 0
2 years ago
Rick ordered a soda for $1.25 and wanted to order as many hotdogs as he could afford. Rick had $4.00 and each hotdog cost $0.75.
Alecsey [184]

Answer:

the answer is c, less than or equal to 4

3 0
3 years ago
What is the exact circumference of a circle with a radius of 12 inches?
Anestetic [448]
We can get the circumference of any circle in terms of the radius with this formula. C = 2\pir.

Where r is the radius of the circle.

And we will use 3.14 for \pi.

Plug in all the values.

C = 2 * 3.14 * 2

C = 12.56

So, the circumference of the circle is 12.6 inches when rounded to the nearest tenth.
8 0
3 years ago
Read 2 more answers
Suppose a triangle has sides a, b, and c, and the angle opposite the side of length b is obtuse. What must be true?
anyanavicka [17]

Answer: D.a^2 + b^2 < c^2

Step-by-step explanation:

In the given figure, we have an obtuse triangle which has sides a, b, and c, and the angle opposite the side of length b is obtuse.

∵ In a triangle, the side opposite to the largest angle is largest.

Thus, the largest side in then given obtuse triangle= c

The Pythagorean inequalities theorem says that If a triangle is obtuse than the square of the largest side is greater than the sum of square of other two sides.

Therefore, we have

a^2 + b^2 < c^2

5 0
3 years ago
Other questions:
  • Solve using linear combinations y+x=-5 y-x=5
    6·1 answer
  • A newspaper reported the results of a survey on the planning habits of men and women. In response to the question​ "What is your
    12·1 answer
  • 12(3)+3y=60 solve for y​
    6·2 answers
  • Determine the value of y, if x is – 3.<br> y = x² – 5
    12·2 answers
  • While traveling to his grandmother's house for Christmas, George fell asleep halfway through the journey. When he awoke, he stil
    6·1 answer
  • PLEASEEEEE IM DESPITE Xd- <br> Anyone <br> Will mark branliest
    5·2 answers
  • Solve this equation x-y=5<br>3x+y=3​
    9·1 answer
  • Which expression is equivalent to cos(3x) sin x?
    10·2 answers
  • 5(−2) + (2−)2 <br> when =3 and =−2
    14·1 answer
  • your paper airplane is launched from 25ft. it descends at a rate of 5ft per second. write an equation that represents the height
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!