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
riadik2000 [5.3K]
3 years ago
14

If f(x, y)=xy−x^2, what is the value of f(f(−2, 3), −4)?

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0

it is b -30 plz give me brainlist

You might be interested in
I need to turn this into a decimal with explanation
myrzilka [38]
Ok so if you divide that it will be a decimal

so it is 0.68
5 0
3 years ago
A $1508 award is shared equally by 8 people. What is each persons share of the award
andreev551 [17]

Answer:

$188.50

Step-by-step explanation:

i got this answer by dividing $1,508 by 8 and you would get 188.5 which would turn into $188.50 and that is how much each person would get.

I hope this helps.

6 0
3 years ago
Read 2 more answers
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with
Katen [24]

Answer:

  1. Elanor's standardized score is  1.19
  2. Gerald's standardized score is 0.72
  3. Elanor has higher score

Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z=\frac{X-M}{s} where

  • X is the student's score
  • M is the mean score of the exam
  • s is the standard deviation of the exam

Elanor's standardized score is:

z(e) = \frac{680-554}{106} ≈ 1.19

Gerald's standardized score is:

z(g)= \frac{27-24.7}{3.2} ≈ 0.72

Since z(e) > z(g), Elanor has higher score

6 0
3 years ago
Find the exact value of cos(sin^-1(-5/13))
son4ous [18]

bearing in mind that the hypotenuse is never negative, since it's just a distance unit, so if an angle has a sine ratio of -(5/13) the negative must be the numerator, namely -5/13.

\bf cos\left[ sin^{-1}\left( -\cfrac{5}{13} \right) \right] \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{then we can say that}~\hfill }{sin^{-1}\left( -\cfrac{5}{13} \right)\implies \theta }\qquad \qquad \stackrel{\textit{therefore then}~\hfill }{sin(\theta )=\cfrac{\stackrel{opposite}{-5}}{\stackrel{hypotenuse}{13}}}\impliedby \textit{let's find the \underline{adjacent}}

\bf \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \pm\sqrt{c^2-b^2}=a \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ \pm\sqrt{13^2-(-5)^2}=a\implies \pm\sqrt{144}=a\implies \pm 12=a \\\\[-0.35em] ~\dotfill\\\\ cos\left[ sin^{-1}\left( -\cfrac{5}{13} \right) \right]\implies cos(\theta )=\cfrac{\stackrel{adjacent}{\pm 12}}{13}

le's bear in mind that the sine is negative on both the III and IV Quadrants, so both angles are feasible for this sine and therefore, for the III Quadrant we'd have a negative cosine, and for the IV Quadrant we'd have a positive cosine.

8 0
3 years ago
56 is 80 percent of what number
monitta
Let us assume the number to be = x
Then
(80/100) * x = 56
4x/5 = 56
4x = 56 * 5
4x = 280
x = 280/4
  = 70
The value of the unknown number is 70. I hope the procedure is clear enough for you to understand. You can always use this method for solving similar problems in future without requiring any help from outside. Only thing that needs to be taken care of is the calculation part.
7 0
3 years ago
Read 2 more answers
Other questions:
  • The endpoints of one diameter of a circle are (9,3) and (-5,15). What is the center of the circle?
    14·1 answer
  • A biologist wants to determine the effect of a new fertilizer on tomato plants. What is the best design for this study?
    6·1 answer
  • The sum of three numbers is 73. The second number is equal to the first number diminished by 7. The third number is five times t
    6·1 answer
  • Which are perfect squares? Check all that apply.
    11·1 answer
  • Stop signs are octagon-shaped. true or false
    10·2 answers
  • Construction company needs to remove 30 tons of dirt from the construction site they can remove 3/5 tons of dirt each hour How l
    14·1 answer
  • The point-slope form of the equation of the line that passes through (-4, -3) and (12, 1) is y–1 = (x – 12). What is the
    12·1 answer
  • 1. identify the coeffieceint: 6x + 19
    5·2 answers
  • Please help with math problem give a good rating and 5 stars
    5·1 answer
  • Which is the better option?<br> 25% off of $40 or 15% off of $35
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!