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lukranit [14]
3 years ago
15

PLEASE HELP :’( last one

Mathematics
1 answer:
valina [46]3 years ago
5 0

Answer:

A.3

Step-by-step explanation:

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I rlly need help! im stuck on this! 20 pts
Vitek1552 [10]

Answer:

$960

Step-by-step explanation:

take the total salary to be 100%, since the taxes are 20% subtract 20% from 100% to get 80% which will represent the left over after the taxes have been taken so say if 100%=$1200 what about 80% 80times 1200 then divide by 100.

7 0
3 years ago
What is the cost of 1 shirt if I have 3 shirts and 2 scarves totaling $94?
Pepsi [2]

Let x be the cost of 1 shirt and y be the cost of 1 scarf.

Since, 3 shirts and 2 scarves cost $94, we have,

3x + 2y = 94

Since the number of unknowns is greater than the number of equations (2 > 1), the above system has infinitely many solutions.

If t is the cost of 1 scarf, then

3x + 2t = 94

3x = 94 - 2t

x = \frac{94-2t}{3}

For different values for t, we will get different values for x.

Set t = 2.

Then, x = \frac{94-2(2)}{3}

= \frac{94-4}{3}

= \frac{90}{3}

= 30

So, if the cost of 1 scarf is $2, then the cost of 1 shirt is $30.


6 0
3 years ago
A student completed 1/4 of a workbook in 3/5 hour.He plans to work for 1 more hour at the same rate.What Fraction of the workboo
oee [108]
Workbook =x
1/4   3/5
 x    5/5 (1 hour)
then x=(5/5 * 1/4):3/5
x= 5/20 * 5/3 
x=1/4 *5/3
x= 5/12
4 0
3 years ago
How many solutions does the equation 9x +3=9x + 5 have?
Sphinxa [80]

Answer:

none

Step-by-step explanation:

Because X has the same coefficient on both sides but a different value is being added to it, there cannot be an solution.

9x+3=9x+5

-9x -5

-2=0, which doesnt work so theres no solution

8 0
3 years ago
Read 2 more answers
Find the equation of the line passing
Ostrovityanka [42]

Answer:

  y = 4x -14

Step-by-step explanation:

The required answer form is slope-intercept form, so we need the slope and the y-intercept of the line.

The slope equation is ...

  m = (y2 -y1)/(x2 -x1)

  m = (10 -2)/(6 -4) = 8/2 = 4

The y-intercept equation is ...

  b = y - mx

  b = 2 -4(4) = -14

The equation of the line is y = 4x -14.

7 0
2 years ago
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