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
diamong [38]
3 years ago
12

-2a2-4a+16 cuando a=-2​

Mathematics
1 answer:
lozanna [386]3 years ago
7 0

Answer:

0

Step-by-step explanation:

-2 * -2 = 4

4  * 2 = 8

4 * -2 = -8 + 16 = 8

8-8 = 0

You might be interested in
What is the area of the figure?
mash [69]

Check the picture below.

\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh\qquad \qquad A=\cfrac{1}{2}(12\sqrt{2})(12\sqrt{2})\implies A=6\sqrt{2}\cdot 12\sqrt{2} \\\\\\ A=6\cdot 12\sqrt{2}\cdot \sqrt{2}\implies \implies A=72(\sqrt{2})^2\implies A=72\cdot 2\implies A=144

8 0
2 years ago
The amount of water dispensed by a water dispenser is normally distributed,
Contact [7]

Answer:

The correct answer is - C.  11.45 ounces to 11.75 ounces.

Step-by-step explanation:

According to the empirical rule of the distribution for 68% falls under the normal curve falls within 1 standard deviation of the mean.

That is:

μ±δ

From the given information, the mean is

μ = 11.60

and the standard deviation is

δ = 0.15

We substitute the given parameters to obtain;

11.60±0.15

11.75 and 11.45

This means the lower limit is

11.45

and the upper limit is

11.75

3 0
2 years ago
Factor the four-term polynomial by grouping 3x-3+x^3-4x^2
yaroslaw [1]
(x4−3x3+4x2−8)/(x+1) = x3−4x2<span>+8x−8.</span>
6 0
3 years ago
7x+8x(9y-) respondaa por favorzinho​
poizon [28]

Answer:

7x+72xy

Step-by-step explanation:

7x+8x(9y)=7x+72xy

3 0
2 years ago
Read 2 more answers
7 1/8 + 6 1/8 equals what? hurry
Citrus2011 [14]

Answer:

13 2/8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • A King Size waterbed has the following dimensions 72 in. x 84 in. x 9.5in. It takes 240.7 gallons of water to fill it, which wou
    9·2 answers
  • Can You help me please?
    10·1 answer
  • Help pls wjejejndn hfj​
    6·2 answers
  • What faction of the girls in the class have long brown hair and green hair? 3/4 of the girls have brown hair,3/4 of the girls ha
    6·1 answer
  • If you flip a coin 50 times, how many times would you expect it to land on heads
    11·2 answers
  • A triangle with one angle equal to 75° could be an equilateral triangle true or false
    11·2 answers
  • Solve 3a – 8= 5a + 12<br><br> Show your work. (please)
    11·1 answer
  • PLEASE HELP!!!! MATH QUESTION!!!!
    14·1 answer
  • Susan wants to take her school picture that measures 4 inches by 6 inches and enlarge it to make a picture that measures 8 inche
    9·2 answers
  • Which sequence of transformations maps quadrilateral ABCD onto quadrilateral EFGH? (It's a quiz question on Savvas Realize)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!