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Fofino [41]
3 years ago
10

Ken read 30 pages of a book on monday and 1/8 of the book on tuesday, he completed the remaining 1/4od the book on wednesday.how

many pages are there in the book?
Mathematics
1 answer:
dlinn [17]3 years ago
7 0
Let the total amount of pages be t
t=30+1/8t+2/8t
now simplify
t=30+3/8t
5/8t=30
divide 30 by 5
1/8=6
now you know 1/8 of the book is 6 pages which means the whole book has 48 pages.

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X^3 + 3x^2 -10x factor polynomial and find zero​
Fantom [35]

Answer:

  1. x(x - 2)(x + 5)
  2. x = 0, x = 2, x = -5

Step-by-step explanation:

x^3 + 3x^2 - 10x

~Factor

x(x - 2)(x + 5)

Solve for the zero.

x(x - 2)(x + 5) = 0

We know that; x = 0, x - 2 = 0, and x + 5 = 0

x = 0

x - 2 = 0

x = 2

x + 5 = 0

x = -5

Best of Luck!

7 0
3 years ago
Read 2 more answers
Simplify: 21j-26+4j=21+6-2j
Molodets [167]
1. 21j-26+4j=21+6-2j
2. 25j-26=27-2j
3. 27j=53
4. j=53/27
hope this helps!!
3 0
3 years ago
Find the percent change from the first value to the second.<br><br> 50; 39
sertanlavr [38]

Answer:

11 percent

Step-by-step explanation:

if you subtract 50 - 39 = 11

so 11 percent is the change from the first value to the second value.

Hope this helps :)

7 0
3 years ago
Need help with theses questions please
Olin [163]
Hello:
3x²+5x+2=0
delta = (5)²-4(3)(2)=1
x =( -5 <span>±1)/6
x= -2/3 or x=-1

t4-81=(t²)² -9² = (t²-9)(t²+9) =(t-3)(t+3)(t²+9)....(answer B)</span>
7 0
3 years ago
Given the equation 3x-3=6x+1, select the reasoning that correctly solves for x . Add 3 subtract 6x then divide by 3 or subtract
Gnesinka [82]
To correctly solve x from the given equation,
                             3x - 3 = 6x + 1
We first subtract 3x from both sides of the equation and this will give us,
                           -3 = (6x - 3x) + 1
Simplifying,
                            -3 = 3x + 1
Then, subtract 1 again from both sides of the equation to give,
                           -4 = 3x
Lastly, divide both sides by 3 giving us a final answer for x which is x = -4/3. 
7 0
3 years ago
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