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Kaylis [27]
3 years ago
9

Expand and simplify (X-1)(X+6)

Mathematics
2 answers:
asambeis [7]3 years ago
4 0
Solutions 

1) <span>Apply the FOIL method to solve the equation:</span> (a+b)(c+d)=ac+ad+bc+bd 

X²<span>+6X−X−6

</span>2) Simplify

X²<span>+5X−6

answer =

 </span>X²<span>+5X−6</span>
otez555 [7]3 years ago
3 0
(x-1)(x+6)=x^2+6x-x-6=x^2+5x-6
I think this is the answer.
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Use trigonometry to find the value of x. Round your answer to the nearest whole degree
Paladinen [302]
70% degree I hope that’s the right answer
8 0
3 years ago
The value of an autographed baseball card increased from $39 to $65 what is the percent increase in value of the baseball card?
Ivan

:

The percent increase is found by finding the difference between the two prices and then dividing that different by the beginning price.

For this example it would be 65-39= $26. So $26/$39(the starting price) is 0.666... This is equivalent to about 66.67%. So, the price of the card increased by about 66.67%

4 0
3 years ago
Read 2 more answers
A pretzel company calculated that there is a mean of 75.4 broken pretzels in each production run with a standard deviation of 5.
Snowcat [4.5K]

Answer:

P [ Z < 66 ]  = 35,15 %

Step-by-step explanation:

Normal Distribution

Population mean μ₀  = 75,4

Standard deviation  σ = 5,2

Then:

P [ Z < 66 ]  =  ( 66 - 75,4 ) / 5,2

P [ Z < 66 ]  = - 9,4 / 5,2

P [ Z < 66 ]  = - 1,81

In z-table we look for the reciprocate area for that  z score and find

P [ Z < 66 ]  = 0,3515

P [ Z < 66 ]  = 35,15 %

6 0
3 years ago
-5x6(3x2 - 12x + 30)
defon

I belive its

-5 × 6( 3 × 2 - 12x + 30 )

-5 × 6( 6 - 12x + 30 )

-5 × 6( -12x + 36 )

-30 ( -12x + 36 )

From this point you distribute (-30)

( 360x + -1,080 )

Then divide 360 from x and -1,080, to get -3 = x or i guess -3x then divide -3 by -3 to get just x by itself

Im not sure hope this helpes

6 0
3 years ago
Which expression is equivalent to the expression −2\3 (3- 1\2) (-1)?
snow_tiger [21]
<span>Using PEMDAS, solve the equation
−2\3 (3- 1\2) (-1)   ->  -2/ 3(3-0.5)(-1)  -> -2/3(2.5)(-1) - > -2/3(-2.5)  -> 5/3  -> 1 2/3

1 and 2/3 is the same thing as 2-1/3
The answer is B

</span>
4 0
3 years ago
Read 2 more answers
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