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
olchik [2.2K]
3 years ago
14

Very confusing, please help

Mathematics
2 answers:
Ksivusya [100]3 years ago
7 0

Answer:

A -2*-2 ≠- 4

Step-by-step explanation:

sqrt(-4)

The answer is an imaginary number

-2*-2 = 4 not -4

kotegsom [21]3 years ago
4 0

Answer:

\sqrt{-4} \neq -2 \\  because -2 times -2 equals 4 not -4.

Therefore A. -2^{2}\neq 4 is the answer to this question.

If you need help on similar problems feel free to ask, hope I helped :)

You might be interested in
Which piecewise defined function is shown on the graph?
egoroff_w [7]
You gotta show the pic of the graph
6 0
3 years ago
Whats 87 less than the quotient of an unknown number and 43 is -75?
erastovalidia [21]
<span>87 less than the quotient of an unknown number and 43 is -75
Converting that to mathematical equation:
87 - (x / 43) = -75

Evaluating the equation, we can the value of x.
87 - (x/43) = -75
-x/43 = -75 - 87
-x/43 = -162
-x = -6966
x = 6966</span>
4 0
3 years ago
A man spends 80% of his salary and saves the rest. He saves $1080 a month. Find his salary
raketka [301]
His salary is $5.400.00

7 0
3 years ago
Q. The probability that a student passes a statistics test is 2/3 and the
kenny6666 [7]

Answer:

4/9 or 44.44%

Step-by-step explanation:

We have the following probabilities:

Probability of winning the statistical test = P (s) = 2/3

Probability of winning the mathematics and statistics test = P (s n m) = 14/45

Probability of winning at least one test = P (s u m) = 4/5

We have that, the probability of winning the mathematics test P (m) can be found in the following way:

P (s n m) = P (s) + P (m) - P (s u m)

replacing we have:

14/45 = 2/3 + P (m) - 4/5

P (m) = 14/45 - 2/3 + 4/5

p (m) = 4/9 = 0.444

Which is the same as there is a 44.44% probability that I will win the math test

5 0
3 years ago
A park charges $12 for 1 round of mini golf and a reduced fee for each additional round played. If Tom paid $47 for 6 rounds of
faltersainse [42]
Set it up as an equation: 12 + 6x = 47
(x is the reduced fee)

12 + 6x = 47
12 - 12 + 6x = 47 - 12
6x = 35
x = 35/6
x = 5.83 repeating (only the 3 is repeating)
8 0
3 years ago
Other questions:
  • Follow the directions to solve the system of equations by elimination. 8x + 7y=39 4x – 14y = -68​
    14·1 answer
  • An outdoor track consists of a rectangular region with a semi-circle on each end. If the perimeter of the track must be 200 mete
    14·1 answer
  • 1. How many complex roots does the polynomial equation have?
    5·2 answers
  • Misha and Dontavious were asked to solve the following problem using linear programming. A local school district can operate a l
    12·2 answers
  • (-327) + 420 + 521=
    10·2 answers
  • Anyone know the answer ?
    6·1 answer
  • Someone help and please make sure it’s right
    11·2 answers
  • What is the range of the function in this table
    13·2 answers
  • You have one box that is 2 3 11 feet tall and a second box that is 2.27 feet tall. Write the decimal expansion for 2 3 11. If yo
    15·1 answer
  • What is the answer for 604.8 36 with work included?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!