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victus00 [196]
3 years ago
5

PLEASE HELP ASAP! SHORT QUESTION

Mathematics
1 answer:
Katarina [22]3 years ago
8 0
Divide 13 by 8
13/8= 1.625
Next Divide 11 by 1.625
11/1.625= 6.7692307692
Just round the answer to the nearest tenth and you with find the value of u.
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Factor 3a^3 + 18a² + 8a + 48 completely.
fomenos

Answer:

(3a2 + 8) • (a - 6)

Step-by-step explanation:

STEP 1:

Equation at the end of step 1

 (((3 • (a3)) -  (2•32a2)) +  8a) -  48

STEP  2:

Equation at the end of step 2:

 ((3a3 -  (2•32a2)) +  8a) -  48

STEP 3:

Checking for a perfect cube

3.1    3a3-18a2+8a-48  is not a perfect cube

Trying to factor by pulling out :

3.2      Factoring:  3a3-18a2+8a-48

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  8a-48

Group 2:  -18a2+3a3

Pull out from each group separately :

Group 1:   (a-6) • (8)

Group 2:   (a-6) • (3a2)

              -------------------

Add up the two groups :

              (a-6)  •  (3a2+8)

Which is the desired factorization

Polynomial Roots Calculator :

3.3    Find roots (zeroes) of :       F(a) = 3a2+8

Polynomial Roots Calculator is a set of methods aimed at finding values of  a  for which   F(a)=0  

It would only find Rational Roots that is numbers  a  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  3  and the Trailing Constant is  8.

The factor(s) are:

of the Leading Coefficient :  1,3

of the Trailing Constant :  1 ,2 ,4 ,8

3 0
3 years ago
If increasing 15 by n% is equivalent to decreasing 75 by n%, then what is 6% of n?
harkovskaia [24]
15(1 + n/100) = 75(1 - n/100)
15 + 0.15n = 75 - 0.75n
0.15n + 0.75n = 75 - 15
0.9n = 60
n = 60/0.9 = 66 2/3%

6% of n = 0.06 x 66 2/3 = 4
4 0
3 years ago
A bag of rare spice that weighs 3/4 pounds will be split equally among 36 people. How much spice will each person get?
jeyben [28]

Answer:

Each person will get 1/48 of a pound of spice

3 0
3 years ago
Read 2 more answers
What are all the real zeroes of y = (x –12)^3 – 7
kodGreya [7K]

y = (x –12)^3 – 7

set y=0

0 = (x –12)^3 – 7

add 7 to each side

7  = (x –12)^3

take the cube root of each side

7^ 1/3 = x-12

add 12 to each side

12 + 7^(1/3) = x

this is the only real root

the other 2 are imaginary

8 0
3 years ago
Read 2 more answers
Convert 192 cups to gallons. Enter your answers in the boxes. There are cups in 1 gallon. Therefore, 192 cups is equal to gallon
Hatshy [7]

Answer:

192 cups is equal to 12 gallons

Step-by-step explanation:

we know that

1 cup=0.0625 gal

or

1 gal=16 cups

Method 1

192 cups=192*0.0625=12 gal

Method 2

192 cups=192/16=12 gal

7 0
3 years ago
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