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charle [14.2K]
3 years ago
13

Write the rule for finding the coordinates of a point’s 90⁰ clockwise rotation about the origin.

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0
(x,y) -> (y,-x)

hope that help

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What is the Simplify expression of (15+39)÷6
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Answer:

9

Step-by-step explanation:

\frac{(15 + 39)}{6}  \\  \frac{54}{6 }  \\ ans = 9 \\

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Step-by-step explanation:

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Clare is painting some doors that are all the same size. She used 2 liters of paint to cover 1 3/5 doors. How many liters of pai
barxatty [35]

Answer:

1\frac{1}{4}\ liters

Step-by-step explanation:

step 1

Convert mixed number to an improper fraction

1\frac{3}{5}=\frac{1*5+3}{5}=\frac{8}{5}

step 2

Using proportion

\frac{2}{(8/5)}\frac{liters}{doors} =\frac{x}{1}\frac{liters}{door}\\ \\x=2/(8/5)\\ \\x=10/8\ liters

step 3

Convert to mixed number

\frac{10}{8}\ liters=\frac{8}{8}+\frac{2}{8}=1\frac{1}{4}\ liters

8 0
3 years ago
Molly's town voted on a new speed limit. Out of 38 votes, 19 were in favor of the new speed limit. What percentage of the votes
RUDIKE [14]

Answer:

Percentage of votes in favour of new speed limit=50%

Step-by-step explanation:

There was a voting in Molly's town to set a new limit for the speed attained by a vehicle.

In Molly's town,

  • Number of votes recorded=38
  • Number of votes in favour of the new speed limit=19

We have to find the percentage of votes in favour of the new speed limit.

For that,the percentage of votes in favour=\frac{votes in favour of new speed limit×100}{total votes}

Percentage of votes in favour=\frac{19*100}{38}

Percentage of votes in favour=50%

3 0
3 years ago
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