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
torisob [31]
3 years ago
5

Is x^ 2 - 16 the difference between two squares? Why?

Mathematics
2 answers:
bekas [8.4K]3 years ago
5 0

Answer:

yes, x^ 2 - 16 is equal two (x+4)(x-4), which is a differnce between two squares ot the formula, a^2-b= (a+b)(a-b)

bearhunter [10]3 years ago
3 0

Answer:

x1= -4

x2 = 4

Step-by-step explanation:

Set the equation equal to zero

x2 − 16 = 0

then

(x + 4)(x − 4) = 0

(x+4)= 0 which is equal to -4

and

(x-4)= 0 equals 4

You might be interested in
Wing<br> Find the area of the<br> parallelogram:<br> 3 cm<br> 5 cm<br> 4.5 cm<br> A= [?] cm
Pie

Answer:

<h2>13.5 cm^2</h2>

Given,

Base(b)= 4.5 cm

Height(h)= 3 cm

Now,

Area of parallelogram= base * height

= 4.5 * 3

=13.5 cm^2

Hope this helps...

Good luck on your assignment...

7 0
3 years ago
Read 2 more answers
Write 47% as a decimal
sertanlavr [38]

Answer:

0.47

Step-by-step explanation:

47% is the same as 0.47.

Hope it helps!

6 0
3 years ago
Abigail heard on the weather report that there is a 40% chance that it will rain tomorrow and a 50% chance that it will be cloud
ivann1987 [24]
Random numbers from 0-9 with 0, 1, 2, and 3 being rain and 4, 5, 6, 7, and 8 being cloudy.

7 0
3 years ago
You are 5 feet tall and cast an 8-foot shadow. A lamppost nearby casts a shadow that is 20 feet. Which equation can you use to s
aleksandrvk [35]
I believe the answer is the first option. Tell me if i'm wrong. :)
3 0
3 years ago
Read 2 more answers
PLEASE HELP ME ON MY FIRST QUESTION!, SHOW WORK PLEASE!!
kvasek [131]

Answer:

Solution given:

radius [r]=2cm

height [h]=8cm

total surface area of cylinder=?

we have

total surface area of cylinder=2πr²+2πrh

  • 2πr(r+h)
  • 2π*2(2+8)
  • 40π or 125.66cm²

<u>total surface area of cylinder</u><u>40π or 125.66cm²</u><u>.</u>

3 0
3 years ago
Read 2 more answers
Other questions:
  • John sold 38 papers in 2 hours. How many papers would he probably sell in 3 hours?
    15·2 answers
  • What are the fractions 11/12 and 7/15 written with a common denominator?
    15·1 answer
  • What is the answer to 2y−y+7−1+3+7x 2 −4y
    13·1 answer
  • 2. Discuss how you might select a random sample to estimate the population mean rating of all 100 computer games.
    14·1 answer
  • You are in “Car Parts USA” buying some headlight bulbs. The original price is $19.99, but you have a coupon for $6.00 off. What
    9·1 answer
  • Choose the fraction that is equal to:<br> 0.63<br> A 7/9<br> B 7/11 C 2/3 D 63/100
    5·2 answers
  • Help with geometry please. Is that answer right?
    9·2 answers
  • I need help with slope
    12·1 answer
  • I need hell with this :(
    5·1 answer
  • Solve for b and c. Select BOTH correct answers.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!