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
serious [3.7K]
3 years ago
12

One solution of x^2-64=0 is 8. what is the other solution?

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
8 0
Step 1: Add 64 to both sides.<span><span><span><span>
x2</span>−64</span>+64</span>=<span>0+64</span></span><span><span>
x2</span>=64</span>
Step 2: Take square root.<span>
x=<span>±<span>√64</span></span></span><span><span>
x=<span><span>8<span> or </span></span>x</span></span>=<span>−8</span></span>
Answer:<span><span>x=<span><span>8<span> or </span></span>x</span></span>=<span>−<span>8

Hope this helps :D</span></span></span>
ivann1987 [24]3 years ago
4 0
X² - 64 = 0
(x - 8)(x + 8) = 0

x = - 8, 8

Your other solution is - 8
You might be interested in
Please help me with this equation, the values are in the file <br><br> x + B = Fx - Dx + H
Olin [163]

Answer:

x = -6

Step-by-step explanation:

B = 2

F = 6

D = 4

H = 8

x + B = Fx - Dx + H

x + 2 = 6x - 4x + 8

x + 2 = 2x + 8

-x = 6

x = -6

3 0
2 years ago
Read 2 more answers
2. The student council is sponsoring a concert as
Jlenok [28]

Answer:

80 adults must addent to make a complete $1,000

Step-by-step explanation:

You start with the students, $3 for each and 200 of them attend. 3x200=600 dollars in total. Then you would subtract 600 from 1,000. Next you will do the adults, 5x80=400 (The "leftover" cash) $5 for each times 80 adults will be $400 in total.

8 0
3 years ago
A right triangle has a hypotenuse length of 12, and one side length of 9. find the missing side length. do the side lengths form
Rina8888 [55]

Use the Pythagorean theorem:

a^2+b^2=c^2

c - a hypotenuse

a, b - legs

We have: a = 9 and c = 12. Substitute:

9^2+b^2=12^2

81+b^2=144               <em>subtract 81 from both sides</em>

b^2=63\to b=\sqrt{63}\\\\b=\sqrt{9\cdot7}\\\\b=\sqrt9\cdot\sqrt7\\\\ \boxed{b=3\sqrt{7}}

A Pythagorean triple consists of three positive integers a, b and c, such that

a^2+b^2=c^2.

b=3\sqrt{7} is not positive integer.

<h3>The sides of the triangle do not form a pythagorean triple.</h3>
5 0
3 years ago
Give the dimensions of the small prisms that can be used to pack the larger prism
Neporo4naja [7]
Okay we'll go through all the steps. Ready?

4 0
3 years ago
JKL is a straight line.
kirza4 [7]

Answer:

x = 32°

Step-by-step explanation:

∆KLM is an isosceles triangle because it has two equal sides, KL & KM. Therefore, the angles opposite to each of the two equal sides, which are referred to as the base angles are congruent to each other.

m<KML = m<KLM = 58°

m<MKL = 180 - (58 + 58) (Sum of triangle)

m<MKL = 64°

m<JKM = 180 - m<MKL (linear pair theorem)

m<JKM = 180 - 64 (Substitution)

m<JKM = 116°

∆JKM is also an isosceles triangle with two equal sides. Therefore, it's based angles (x & <J) would also be equal to each other.

Thus:

x = ½(180 - m<JKM)

x = ½(180 - 116) (Substitution)

x = 32°

3 0
2 years ago
Other questions:
  • I don’t get number 6
    13·2 answers
  • The profit from the lemonade sale can be modeled by P = c - 25. How many cups need to be sold make a profit of $40?
    10·1 answer
  • Worker A earns $9.50 per widget produced, produces 7 widgets per day, and works 5 hours per day. Worker B earns $8.80 per widget
    15·2 answers
  • The three seventh grade classes at Champion Middle School collected the most boxtops for a school fundraiser, and so they won a
    13·1 answer
  • Please help me on question number 9
    6·2 answers
  • Can someone please help me
    13·1 answer
  • Multiply and simplify out theese brackets(X+1)(x+3)
    13·1 answer
  • Rachel is a stunt driver. One time, during a gig where she escaped from a building about to explode(!), she drove
    6·2 answers
  • PLEASE HURRY I HAVE A LITTLE BIT OF TIME TO TURN IT IN
    6·1 answer
  • Find the length of side x in simplest radical form with a rational denominator.<br> X
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!