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
Elodia [21]
3 years ago
13

The solution set of x^2 - 64 = O Is

Mathematics
1 answer:
k0ka [10]3 years ago
5 0
X² -64=0 
    +64 

x²=64

√x=√64
x=8
You might be interested in
A person is standing 50 ft from a statue. The person looks up at an angle of elevation of 8 degrees when staring at the top of t
borishaifa [10]

The height of the statue is 19.5 feet.

Why?

We can solve the problem using trigonometric formulas. In this case, we are going to use the trigonometric formula of the tangent.

We know that the person is standing 50ft from the statue, so, it will be the base of the two triangles formed by both angles (elevation and depression)

Using the trignometric formula, we have:

First triangle:

tg(\alpha )=\frac{h_{1}}{base} \\\\tg(8\°)=\frac{h_{1}}{50ft}\\\\0.14*50ft=h_1\\\\h_1=7ft

Second triangle:

tg(\alpha )=\frac{h_{2}}{base} \\\\tg(14\°)=\frac{h_{1}}{50ft}\\\\0.25*50ft=h_1\\\\h_1=12.5ft

Now, the total height of the statue will be:

TotalHeight=h_1+h_2=7ft+12.5ft\\\\TotalHeight=19.5ft

Have a nice day!

8 0
3 years ago
Find two irrational numbers between 0.3 and 0.7?
Vesnalui [34]

Answer:

0.3101001000......

0.410100100010000....

Step-by-step explanation:

To find irrational number between any two numbers, we first need to understand what a rational and irrational number is.

Rational number is any number that can be expressed in fraction of form p/q. Since q can be 1, all numbers that terminate are rational numbers. Example: 1, 12.34, 123.66663

Irrational number on the other hand can't be expressed as a fraction and do not terminate. Also, there is no pattern in numbers i.e. there is no repetition in numbers after the decimal point.

For example: 3.44444..... can be expressed as rational number 3.45.

But 3.414114111.... is an irrational number as there no pattern observed. Also,it does not terminate.

We can find infinite number of irrational numbers in between two rational numbers.

<u>Irrational numbers in between 0.3 and 0.7:</u>

0.3101001000......

0.410100100010000....

0.51010010001.......

0.6101001000....

There are many others. We can choose any two as answers.


6 0
3 years ago
May someone please help mee????
Arlecino [84]

Answer:

width of rectangle is 87

Step-by-step explanation:

because perimeter of rectangle = 2(l+w)

3 0
3 years ago
Helppppppppppppppppppppppppppppp​
earnstyle [38]

The answer is B because if the result is 3/4 and the question is asking to the result then you would an equation.
3 0
3 years ago
The 8% sales tax was $3.88. What was the price of the game before tax?
tatuchka [14]

Answer:

$3.57

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • Two angles of a triangle have measures with a sum of 84 degrees. what is the measure of the third angle of the triangle?
    14·1 answer
  • Identify the coefficients, constants, terms and factors of 6x + 12- 3x + 4
    11·1 answer
  • Suppose that 90% of all dialysis patients will survive for at least 5 years. In a simple random sample of 100 new dialysis patie
    9·1 answer
  • Will give brainliest to however gets it right
    10·2 answers
  • Question 31 of 41
    6·1 answer
  • Is it rational or irrational?​
    12·1 answer
  • Ester bought 2 1/2meter telephone cord and a 45 cm internet cord. How many centimeters of cord does she have in all?
    11·1 answer
  • A data set has a mean of 42 and a standard deviation of 7.8 if an element in the set is 54 find its z-score
    13·1 answer
  • Find the slope of the line passing through the points (4, 4) and (4, - 4) .
    13·1 answer
  • Which graph represents the function f(x) = |-x - 2|-1?<br> -6-
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!