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puteri [66]
3 years ago
15

A rotation on the origin counterclockwise goes to the right. true or false

Mathematics
1 answer:
marta [7]3 years ago
3 0

Answer:

false

Step-by-step explanation:

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Mr. Kohl has a breaker containing n milliliters of solution to distribute to the students in his chemistry class. If he gives ea
77julia77 [94]

Answer:

There were 26 students in his class and the teacher had 83 ml of the solution.

Step-by-step explanation:

Mr. Kohl has a "x" amount of solution, if he divides it by the number of students "n" he'll give each student 3 milliliters  and have a left over of 5 milliliters. If the amount of solution Mr. Kohl had was "x + 21" then he'd be able to give each student 4 milliliters of the solution. From these informations we have:

x = 3*n + 5

(x + 21)/n = 4

x + 21 = 4*n

x = 4*n - 21

Now that we have two equations and two variables we can solve the system of equations, as seen bellow:

3*n + 5 = 4*n - 21

3*n - 4*n = -21 - 5

-n = -26

n = 26

x = 4*26 - 21 = 83 ml

There were 26 students in his class and the teacher had 83 ml of the solution.

3 0
3 years ago
Maris put trim around a mirror that is the shape of a square. Each side is 24 inches long. Maria has 1 foot of trim left. What w
Dahasolnce [82]

Answer:

16.028 yards

Step-by-step explanation:

1 inch=0.0833333 foot

24 inches=0.0833333×24

=1.9999992 foot

The mirror is square shaped and each side is 24 inches

If each 24 inches=1.9999992 foot

Then,

4 sides of 24 inches=1.9999992×24

=47.9999808 foot

Maria has 1 foot of trim left

Total Length of trim when she started=47.9999808+0.0833333

=48.0833141 foot

=16.02777136667 yards

Approximately,

16.028 yards

8 0
3 years ago
Solve using elimination.<br><br> –9x − 7y = –10<br> 9x + 8y = 5
guapka [62]

Answer:

x=4y

Step-by-step explanation:

mathpapa

7 0
2 years ago
Jacob paid $987 for a laptop which was 60% off the original price. What was the
Ray Of Light [21]

Answer:

$2467.50

Step-by-step explanation:

987 = ( 1 - 0.6 )x

987 = 0.4x

x = 2467.5

3 0
2 years ago
What is the vertex of<br> f(x) = (x - 7)?
valina [46]
Answer: This equation does not have a vertex.

If the equation is not curved or composed of two straight lines it does not have a vertex.

If you need further explanation let me know. :)
3 0
3 years ago
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