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mash [69]
3 years ago
13

8 ( 8x - 4) = -7 (-x - 5)

Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0
X=67/57 or X= 1.1754
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Susan has 3 lists, each with 10 numbers. If there are 4 numbers on all three lists and 5 numbers on exactly 2 lists, how many nu
VikaD [51]

Answer:

Susan has 8 numbers belonging to just one list.

Step-by-step explanation:

Susan's 3 lists have 10 numbers each = 10 x 3 =  30 numbers

4 numbers appear on all three lists = 4 x 3 = 12 numbers

The remaining numbers after these 12 = 18 (30 -12)

Then, there are 5 numbers on 2 lists only = 5 x 2 = 10 numbers

The numbers on just one list = 18 - 10 = 8 numbers

Or

                                    List 1     List 2    List 3   Total

Numbers on each list    10           10         10      30

Numbers on 3 lists        -4           -4         -4        12

Numbers on 2 lists        -5           -5        -0        10

Numbers on 1 list only    1             1          6         8

6 0
3 years ago
John Tucker is interested in purchasing stock. He wants to determine the costs.
Delvig [45]

Answer: a0 =$97.5  ; a1 =$87.96 ; a2=$282.48; a3=$1,722.5 ; a4=$1,553.96 ; a5=$4,990.48

Step-by-step explanation:

Hi, to solve this problem we have to multiply each total by the commission in decimal form (6 / 100= 0.06).

So:

$1625 x 0.06 = $97.5

$1,466 x 0.06 =$87.96

$4,708 x 0.06 =$282.48

And finally, to obtain the total costs we have to add to each total the commission of the total.

$1625 + $97.5 = $1,722.5

$1,466 +$87.96 = $1,553.96

$4,708 +$282.48 = $4,990.48

Feel free to ask for more if it´s necessary or if you did not understand something.

8 0
3 years ago
Read 2 more answers
A nest of ants has been growing exponentially in such a way that its population, P, as a function of w weeks is given by P(w)=24
Hunter-Best [27]

Answer:

0.9%

Step-by-step explanation:

Given that:

A nest of ant is represented by the exponential growth function :

P(w)=24,000(1.063)^w

Where w = number of weeks

Recall :

Growth function is generally represented as :

P(t) = A(1 + r)^t

Where ; A is the initial population figure; r = growth rate and t = time

Hence, the growth rate per week of the function given is :

(1 + r) = 1.063

r = 1.063 - 1

r = 0.063

Number of days in a week = 7

Hence, growth rate per day = r /7

0.063 / 7

= 0.009

(0.009 * 100%) = 0.9%

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=211%3D6%283%2B8x%29%2B1" id="TexFormula1" title="211=6(3+8x)+1" alt="211=6(3+8x)+1" align="abs
harkovskaia [24]
X=4
211=18+48x+1
211=19+48x
5 0
2 years ago
Read 2 more answers
3 1/3 divided by 2/3<br><br> pls help me!!!! im stuck and pls show your work!
Vedmedyk [2.9K]
The answer would be 2 1/3 or 2.3 repeating or 7/3
8 0
3 years ago
Read 2 more answers
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