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I am Lyosha [343]
3 years ago
6

Simplify the expressions below. 11-(3x-6)+2(4x+5)-6 (x+2)-(x-2)-12x

Mathematics
1 answer:
Ratling [72]3 years ago
8 0
11-(3x-6)+2(4x+5)-6\\11-3x+6+8x+10-6\\5x+21\\\\(x+2)-(x-2)-12x\\x+2-x+2-12x\\-12x+4

5x+21
-12x+4
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3 years ago
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Harriet is cultivating a strain of bacteria in a petri dish, she has 10^3 bacteria in the dish. The bacteria divided every two h
olga_2 [115]

Answer:

4000

Step-by-step explanation:

A=P(2)^(t/d)

A=future amount

P=starting amount

t=time elapsed

h=doubling time

given

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t=6

d=2

A=10^3(2)^(6/2)

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3 years ago
Need help quick please
Novosadov [1.4K]

Answer:

1. x-6≤20

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6 0
3 years ago
Through :(4,2),parallel to y =-3/4x-5<br> Solve for y
alex41 [277]

Answer:

y = \frac{ - 3}{4} x + 5

Step-by-step explanation:

The Line equation is:

y = \frac{- 3}{4} x - 5

The line equation is in the form of y = m x + c

Slop of this line is (m1) = \frac{ - 3}{4}

Let another line with slop (m2) , passes through point (4 , 2)

As per question the another line is parallel to the given line equation

So, slop of both the lines are  equal  

∴ (m2) = (m1) = \frac{ - 3}{4}

Hence equation of another line with slop \frac{ - 3}{4} and passing through points ( 4 , 2) is

y - y1 = (m2) (y - x1)

I.e  y - 2 = \frac{ - 3}{4} (x - 4)

Or,  4\times (y -2) = (- 3)\times (x - 4)

Or , 4y - 8 =  -3x + 12

Or,   4y     =  -3x + 12 + 8

Or , 4y      =  -3x + 20

∴        y = \frac{ - 3}{4} x + 5

Hence The value of y = \frac{ - 3}{4} x + 5    Answer

6 0
4 years ago
A chimp is taking a multiple - choice test of course the chip can't read and his guessing for every question. If there are 4 cho
tia_tia [17]

Answer:

21

Step-by-step explanation:

He will guess correctly 25% of the time.

He has 84 questions

25% of 84

.25 * 84

21

We should expect that he will get 21 questions correct

6 0
3 years ago
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