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3 years ago

Jon buys 3 shirts for 20

Mathematics

2 answers:

grin007 [14]3 years ago

5 0

Answer:

Step-by-step explanation:

he would have to pay 60 dollars but I don't really understand your question

dimulka [17.4K]3 years ago

4 0

Answer:

$20/3 or $6.67

Step-by-step explanation:

the question is incomplete the full question is Jon buys 3 shirts for 20 find his rate and the answer is above

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Write an equation in standard form for the line that passes through the point (2,-3) and is perpendicular to the line y + 4 = -2

sineoko [7]

For this case we have that by definition, the standard form of a linear equation is given by:

$ax + by = c$

By definition, if two lines are perpendicular then the product of their slopes is -1. That is to say:

$m_ {1} * m_ {2} = - 1$

We have the following point-slope equation of a line:

$y+4 = -\frac {2} {3}(x-12)$

The slope is:

$m_ {1} = - \frac {2} {3}$

We find the slope $m_ {2}$ of a perpendicular line:

$m_ {2} = \frac {-1}{m_ {1}}\\m_ {2} = \frac {-1} {-\frac {2} {3}}\\m_ {2} = \frac{3} {2}$

Thus, the equation is of the form:

$y-y_ {0} = \frac {3} {2} (x-x_ {0})$

We have the point through which the line passes:

$(x_ {0}, y_ {0}) :( 2, -3)$

Thus, the equation is:

$y - (- 3) = \frac {3} {2} (x-2)\\y + 3 = \frac {3} {2} (x-2)$

We manipulate algebraically:

$y + 3 = \frac{3} {2} x- \frac {3} {2} (2)\\y + 3 = \frac{3} {2} x-3$

We add 3 to both sides of the equation:

$y + 3 + 3 = \frac {3} {2} x\\y + 6 = \frac {3} {2} x$

We multiply by 2 on both sides of the equation:

$2(y + 6) = 3x\\2y + 12 = 3x$

We subtract 3x on both sides:

$2y-3x + 12 = 0$

We subtract 12 from both sides:

$2y-3x = -12$

ANswer:

$-3x + 2y = -12$

5 0

3 years ago

there were 432 animals at the zoo. the zookeeper made 9 different habitats for the animals. if the animals were spread evenly am

Irina-Kira [14]

48 animals would be in each habitat. how i got that answer is 432 divided by 9 = 48

6 0

3 years ago

Read 2 more answers

I need help asap :):):)

posledela

It would cost $7.5 for the ride

3 0

3 years ago

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Using the numbers (8,8,4and5) one time and any of the math operations (+,-,x,and division) create the numbers 0,10,and 24

horrorfan [7]

Answer:

8 - 8 = 0 , 8 * 5 / 4 = 10 , 8 * 4 - 8 = 24

Step-by-step explanation:

8 - 8 = 0

8 * 5 = 40 / 4 = 10

8 * 4 = 32 - 8 = 24

3 0

3 years ago

2. CO DEEPER) Franco played computer chess for 3 hours. Lian played

Galina-37 [17]

Answer: Franco played for 30 minutes longer than Lain.

Step-by-step explanation:

3 times 60= 180

180-150=30 minutes

4 0

3 years ago