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kenny6666 [7]
2 years ago
10

Simplify the radical expression

Mathematics
2 answers:
siniylev [52]2 years ago
6 0
(8 + √11)(8 - √11)
8^2 - √11^2
64 - √11^2
64 - 11
53

The answer is: 53.
nordsb [41]2 years ago
3 0
(8 + root11)(8 - root11) =
64 - root11 + root11 - 11 =
64 - 11 = 53

Answer A.
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PLS HELP
Katena32 [7]

Answer:

-30x^2-9x+12  all real numbers

Step-by-step explanation:

f(x) = -6x + 3 and g(x) = 5x + 4

f(x) * g(x) = (-6x + 3) * ( 5x + 4)

FOIL

            = -30x^2 -24x+15x +12

Combine like terms

           =-30x^2-9x+12

The domain is what numbers x can take

There are no restrictions so all real numbers

3 0
3 years ago
A teacher plans to buy air fresheners that cost $3.50 each. If the teacher can spend no more than $10 on the air fresheners and
iris [78.8K]

Answer:

Step-by-step explanation:

We need to create an equation to represent how many air fresheners the teacher can buy.

Teacher has $10 and a $3 discount coupon which would give her an extra $3 to spend. Each air freshener is $3.50.

x = number of air fresheners

($10 + $3) / $3.50 = x        can be written as $13/$3.50 = x

We add $10 and $3 because that gives us the total amount she has to spend.

We divide by $3.50 because that is the cost of each air freshener. The result is the number of air fresheners she can buy.

In this case.

$13/$3.50 = x

3.71 = x   BUT we can't buy part of an air freshener, so she can purchase 3 air fresheners.

8 0
3 years ago
a 46 inch piece of Steel is cut into three pieces so that the second piece is twice as long as the first piece and third piece i
Natasha2012 [34]
X,2x,6x+1=46
(46-1)/5
x=5
5,10,31
4 0
3 years ago
The perimeter of the rectangle is 28 units.
riadik2000 [5.3K]

Answer:

7 units

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
jesse drives to work. The distance jesse's car travles (d) on a number of gallons of gas (g) is given y the equation d=15g.
Mademuasel [1]
You need to know what the distance jesse traveled is and then the number of gallons of gas she has then you plug it it.

distance equals 15 times the amount of gas in gallons
d=15g
8 0
3 years ago
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