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seraphim [82]
3 years ago
11

If a building was placed at coordinates (-5,5), what would be the new coordinates if rotated 270° counterclockwise around the or

igin ?

Mathematics
2 answers:
Brums [2.3K]3 years ago
6 0

The rule for a 270° counterclockwise rotation is (x, y) ---> (y, -x).

So if you rotated (-5,5) 270° counterclockwise around the origin the new coordinates would be (-5,-5).

Hope this Helps!!

Anestetic [448]3 years ago
3 0

The new coordinates are (-5, -5)

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Preimage and image points are labeled as primes.
gtnhenbr [62]

Answer: false

Step-by-step explanation:

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3 years ago
Four people enter their names into a drawing. The winner receives one of two different prizes that are randomly selected. The tr
galina1969 [7]
A) (-4,2π/3)
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7 0
3 years ago
At a certain high school, 15 students play stringed instruments and
Aleks [24]

Answer:

<em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

Step-by-step explanation:

Given that:

Number of students who play stringed instruments, N(A) = 15

Number of students who play brass instruments, N(B) = 20

Number of students who play neither, N(A \cup B)' = 5

<u>To find:</u>

The probability that a randomly selected students plays both = ?

<u>Solution:</u>

Total Number of students = N(A)+N(B)+N(A \cup B)' =15 + 20 + 5 = 40

(As there is no student common in both the instruments we can simply add the three values to find the total number of students)

As per the venn diagram, no student plays both the instruments i.e.

N(A\cap B) =0

Formula for probability of an event E can be observed as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

P(A\cap B) = \dfrac{N(A\cap B)}{N(U)}\\\Rightarrow \dfrac{0}{40}\\\Rightarrow P(A\cap B) = 0

So, <em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

5 0
3 years ago
Four-thirds times the sum of a number and 8 is 24. What is the number?
schepotkina [342]

Answer:

D, 10.

Step-by-step explanation:

10+8=18 4/3x18=24

7 0
3 years ago
Read 2 more answers
I need help please...
azamat

E' = (-9, -2)

F' = (-8, -2)

G' = (-8, -4)

6 0
2 years ago
Read 2 more answers
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