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snow_tiger [21]
3 years ago
5

Simplify the expression: –3(3 + 2n)

Mathematics
2 answers:
noname [10]3 years ago
8 0

Answer:

-9 - 6n is the answer

Ne4ueva [31]3 years ago
3 0

Steps to solve:

-3(3 + 2n)

~Distribute

-9 - 6n

Best of Luck!

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Shirts are on sale at a price of $50 for 4. How many shirts can be purchased for $125?
cricket20 [7]
You can buy 10 shirts.
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a woman put $580 into a savings account for one year the build of interest on the account was 6 and a half percent how much was
vovikov84 [41]
$37.70; $580 x 6.5% x 1 = $37.70
7 0
3 years ago
Nancy and Mark commute to work, traveling in opposite directions. Nancy leaves the house at 7:00 A.M. And average 20 miles per h
vladimir2022 [97]

Answer:

They will be 170 miles apart at 10 AM

Step-by-step explanation:

Nancy has 15´ of  head start which is 1/4 hr.

NHD = 20*(1/4) = 5 miles is her head start

Mark leaves at 7.15hs = starting point

Marks stop at when they are 170 miles apart = t

------------------------------

t = the time they are 170 miles apart

d= distance in miles Nancy travels in time t

170 - (d+5) = distance in miles Mark travels in time t

------------------------------

Nancy's equation:

(1) d = 20t

Mark's equation:

(2) 170 - (d+5) = 40t

---------------------------

(2) 170-d-5=40t

(2) d+40t=165

Substitute (1) into (2)

(2) 20t+40t=165

(2) 60t=165

(2) t=2.75

7:15 AM + 2.75 hrs (2:45hs) = 10 AM

They are 170 miles apart at 10 AM

check:

(1) d=20t

(1) d=20*2.75

(1) d= 55

---------------

(2) 170 - (d+5) = 40t

(2) 170 - (d+5) = 40*2.75

(2) 170 - d-5 = 110

(2) d=55

4 0
3 years ago
If you have 6 friends over for a birthday party and each person gets 2/3 of a piece of cake how many do each person get
schepotkina [342]

Answer:

each person will get 9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Rewrite the polynomial expression in factored form: 60x4−12x3−135x2+27x
Jet001 [13]

Answer:

3x(2x - 3)(2x + 3)(5x - 1).

Step-by-step explanation:

60x4 − 12x3 − 135x2 + 27x

= 3x(20x^3 - 4x^2 - 45x + 9)    We can factor what's in the parentheses by grouping:

=  3x(4x^2( 5x - 1) - 9(5x - 1))

= 3x (4x^2 - 9)(5x - 1)                 Now we factors  4x^2 - 9:

= 3x(2x - 3)(2x + 3)(5x - 1).

7 0
3 years ago
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