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
romanna [79]
3 years ago
14

The factorization of 8x3 – 125 is (2x – 5)(jx2 + kx + 25). What are the values of j and k? A) j = 6 and k = –10 B) j = 8 and k =

10 C) j = 4 and k = 25 D) j = 4 and k = 10
Mathematics
2 answers:
Radda [10]3 years ago
7 0

Answer:

j = 4 and k = 10

Step-by-step explanation:

Zinaida [17]3 years ago
4 0

Answer:

D

Step-by-step explanation:

8x³ - 125 is a difference of cubes and factors in general as

a³ - b³ = (a - b)(a² + ab + b²)

here 8x³ = (2x)³ ⇒ a = 2x and 125 = 5³ ⇒ b = 5

8x³ - 125 = (2x - 5)((2x)² + (2x × 5) + 5²) = (2x - 5)(4x² + 10x + 25 )

compare the coefficients of like terms with jx² + kx + 25

jx² = 4x² ⇒ j = 4 and kx = 10x ⇒ k = 10 → D



You might be interested in
Find the y-intercept and x-intercept of the line.<br> -x+4y = 8
salantis [7]

Answer:

x-intercept(s):  ( − 8 , 0 )

y-intercept(s):  ( 0 , 2 )

Step-by-step explanation:

To find the x-intercept, substitute in  0  for  y  and solve for  x . To find the y-intercept, substitute in  0 for  x  and solve for  y.

7 0
2 years ago
Name the property that is illustrated.<br> 1 x 3/4 = 3/4
Tju [1.3M]

Answer:

Associative Property of Addition

5 0
2 years ago
Read 2 more answers
One of the ancient stone pyramids in Egypt has a square base that measures 140 m on each side. The height is 96 m. What is the v
miv72 [106K]

Volume of a pyramid = \frac{1}{3}*base*height

Given base is = 140 m

Given height is = 96 m

Volume = \frac{1}{3}\times140\times96=4480

Hence, volume of pyramid is 4480 m³

4 0
2 years ago
PLEASE HELP ITS URGENT. I’ll give lots of points who helps !! Please
Molodets [167]

Answer:

D:21

Step-by-step explanation:

Use the vertical angles equation.

4x + 13 = 5x - 8

Subtract 4x from 5x.

5x - 4x = x

13 = x - 8

Add 8 on both dies.

13 + 8 = 21

x = 21

JKLM has x that equals 21.

<JKLM and <LMJK equal 97 degrees.

Hope it helped!

7 0
3 years ago
Read 2 more answers
Determine the intercepts of the line. 7x-5=4y-67x−5=4y−67, x, minus, 5, equals, 4, y, minus, 6 xxx-intercept: \Big((left parenth
sesenic [268]

Given:

The equation of line is

7x-5=4y-6

To find:

The x and y-intercept of the given line.

Solution:

We have,

7x-5=4y-6

Putting x=0, we get

7(0)-5=4y-6

Add 6 on both sides.

0-5+6=4y

1=4y

Divide both sides by 4.

\dfrac{1}{4}=y

So, the y-intercept is \left(0,\dfrac{1}{4}\right).

Putting y=0 in given equation, we get

7x-5=4(0)-6

Add 5 on both sides.

7x=-6+5

7x=-1

Divide both sides by 7.

x=\dfrac{-1}{7}

So, the x-intercept is \left(-\dfrac{1}{7},0\right).

4 0
3 years ago
Read 2 more answers
Other questions:
  • Determine whether each question is biased. explain your answer. 2.A beverage company conducts a survey in the lobby of a health
    9·1 answer
  • Figure ABCD is a parallelogram. What is the value of n?<br> 3<br> 5 <br>17 <br>25
    15·2 answers
  • Can someone check on this problem if I did it right this problem is about law of cosines just look at #1
    9·1 answer
  • The table below shows two equations:
    8·1 answer
  • What's the formula for finding the surface area of a prism and the formula for the surface area of a triangular prism??
    11·2 answers
  • List the digits that repeat:
    7·2 answers
  • Carmen predicted in a read a thon mr.cole pledged $4.00per book and gave carmen 44$. how many books did carmen read
    15·1 answer
  • Can someone explain the steps to this ? :)
    15·1 answer
  • Divide. Write the quotient in lowest terms.<br> Help PLSSS I will give brainest
    9·1 answer
  • I’m stuck on this question. any help would be greatly appreciated
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!