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nika2105 [10]
3 years ago
8

#3 The sales tax on a $20 shirt was 9%.

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
8 0

Answer:

$1.80

Step-by-step explanation:

20 x 0.09 = 1.8

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A line that includes the point (1, 3) has a slope of -7. What is its equation in slope-intercept
Alex787 [66]

Answer:

y = -7x + 10

Step-by-step explanation:

Using a point slope form equation

y - y1 = m( x - x1)

Given

Point = ( 1 , 3)

Slope = -7

Insert the values into

y - y1 = m(x - x1)

x1 = 1

y1 = 3

y - 3 = m( x - 1)

m = -7

y - 3 = -7(x - 1)

Using a slope intercept form equation

y = mx + c

Open the bracket

y - 3 = -7x + 7

y = -7x + 7 + 3

y = -7x + 10

The equation of the line is

y = -7x + 10

6 0
3 years ago
Rachel found this rate of change for the scenario represented in the table.
Alex17521 [72]
THE FUNCTION IS CONTINOUS - True
We see from the table that for every hour given, there will be a value of juice (cups) given. The graph would have been a linear graph between the time 4 hours and 8 hours with no jump or holes in the graph. 

TIME REPRESENTS THE DEPENDANT VARIABLE - False
Time is the independent variable as it does not depend on any other value. The number of cups, on the other hand, depends on the number of hours, hence is a dependent variable

THE SCENARIO IS REPRESENTED BY
A LINEAR FUNCTION, SINCE THE RATE OF CHANGE, IS CONSTANT - True
The rate of change is 53 cups per hour, hence the function is linear.

AS THE AMOUNT OF TIME CONTINUES, THERE ARE FEWER CUPS OF JUICE POURED PER HOUR - False
The rate of change is a positive value, hence the number of cups poured per hour will increase

FOR EVERY ADDITIONAL HOUR, 53 CUPS OF JUICED IS POURED - True
The difference between number of cups poured hourly is a constant of 53

8 0
3 years ago
Read 2 more answers
A bakery makes small batches of bread daily. Each day, the bakery records the amount of flour used the number of loaves of bread
miv72 [106K]

Answer:

The slope of the line would be the constant of proportionality for the line

shown. The point (35, 49) is really close the line which would make the

constant of proportionality 49/35 = 7/5. The equation of the line would be y =

7/5x. The number of loaves of bread from 85 pounds of flour would be

7/5(85) = 119 loaves.

Step-by-step explanation:

5 0
3 years ago
PLZ answer fast 100 points
Diano4ka-milaya [45]

Answer:

Can i have brainliest

The second one

The third one

and the last ones

Step-by-step explanation:

The x values are opposite

and the y stay the same

3 0
3 years ago
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Hello please answer this question if you have the time, thanks! :)
jenyasd209 [6]

Answer:

400

Step-by-step explanation:

7 0
3 years ago
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