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
Dafna11 [192]
3 years ago
12

What is the value of the constant in the expression? 2x2 + 3x - y - 18 + 7y2

Mathematics
1 answer:
Virty [35]3 years ago
8 0
I think it’s 3x

Hope it helps
You might be interested in
Determine the equation of the directrix of r = 26.4/4 + 4.4 cos(theta) A. x = -6 B. y = 6 C. x = 6
snow_tiger [21]
I’m not sure haven’t been in school for so long but I think the answer is b
4 0
3 years ago
Read 2 more answers
When light arrives and leaves a reflecting surface the angle with the line perpendicular to the surface is what?
sashaice [31]

Answer:

the angle of reflection is the angle between the reflected wave and the "normal" (the perpendicular line to the reflecting surface).

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
I NEED HELP WITH THIS PLEASEEE
Alexxx [7]

Answer:

The probability of it being greater than 6 is 3/4.

Step-by-step explanation:

there are 4 outcomes, and 6 is only one of them. 3 are greater than 6, so 4 out of the 4 times the number will be greater than 6.

7 0
3 years ago
Read 2 more answers
What is the slope of the linear relationship shown in this table of values?
KATRIN_1 [288]

Answer:

B

Step-by-step explanation:

To find the slope m use any 2 ordered pairs from the table.

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 4, 11) and (x₂, y₂ ) = (2, - 1)

m = \frac{-1-11}{2+4} = \frac{-12}{6} = - 2 → B

4 0
3 years ago
Read 2 more answers
(1 point) A particle starts at the point P=(−2,−1,3)P=(−2,−1,3) when t=0t=0 and moves along a straight line toward Q=(−4,0,6)Q=(
Ahat [919]

Answer:

The position is given by r(t) =  (-2 -t √14, 1 + √3.5, 3 + 3√3.5)

Step-by-step explanation:

The direction is given by the difference between the starting point and the end point, thus it is (-4,0,6)-(-2,-1,3) = (-2,1,3). The norm of this vector is        √( (-2)²+1²+3²) = √14 = 3.7416 secons

Since the speed is 7 cm/sec, we need to multiply this vector by 7/√14 = √3.5 in order to obtain how much does the particle advance each second.

As a consecuence, it advances (-2,1,3) * √3.5 = (- √14, √3.5, 3 √3.5)

And, as a result, the position after t seconds is given by the function

r(t) = (-2,1,3) + t (-√14, √3.5, 3 √3.5) = (-2 -t √14, 1 + √3.5, 3 + 3√3.5)

8 0
3 years ago
Other questions:
  • Why do u think each letter in a polygon's name can be used only once
    9·1 answer
  • A bag has four green marbles, three red marbles, and three yellow marbles. What is the probability that you pick a green marble,
    14·1 answer
  • Solve for x.<br><br> A. x = 12<br> B. x = 72<br> C. x=64<br> D. x=18
    9·2 answers
  • Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar
    6·2 answers
  • Taking color into account, does the shape have rotational symmetry? If so, what is the angle of rotation, rounded to the nearest
    9·2 answers
  • 3. What is the area of the figure below?
    14·2 answers
  • Is there tutors in this app at all
    6·1 answer
  • Joann has a certain number of dimes and quarters in her purse, with a total value of $3.75. The
    12·1 answer
  • Find the mean of the data set 2 9 7 4 6 1
    6·2 answers
  • What is square root of 5x^4-6x^5+x^6+16x^3-8x^2-8x+4 ? <br>help me pleasee !​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!