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Luda [366]
1 year ago
13

What is the reflection across the y-axis?

Mathematics
2 answers:
Illusion [34]1 year ago
6 0
Answer : (c). W (-3,3) V (-2,2) X (-2,1)

The rule for a reflection over the y -axis is (x,y)→(−x,y) .

So

W (3,3) V (2,2) X (2,1)

Becomes

W (-3,3) V (-2,2) X (-2,1)

Allisa [31]1 year ago
3 0

Answer:

c

Step-by-step explanation:

what ever it is you do the same on the other side

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Add an intersection the red light times normally distributed by the mean of three minutes and a standard deviation of .25 minute
Soloha48 [4]

95% of red lights last between 2.5 and 3.5 minutes.

<u>Step-by-step explanation:</u>

In this case,

  • The mean M is 3 and
  • The standard deviation SD is given as 0.25

Assume the bell shaped graph of normal distribution,

The center of the graph is mean which is 3 minutes.

We move one space to the right side of mean ⇒ M + SD

⇒ 3+0.25 = 3.25 minutes.

Again we move one more space to the right of mean ⇒ M + 2SD

⇒ 3 + (0.25×2) = 3.5 minutes.

Similarly,

Move one space to the left side of mean ⇒ M - SD

⇒ 3-0.25 = 2.75 minutes.

Again we move one more space to the left of mean ⇒ M - 2SD

⇒ 3 - (0.25×2) =2.5 minutes.

The questions asks to approximately what percent of red lights last between 2.5 and 3.5 minutes.

Notice 2.5 and 3.5 fall within 2 standard deviations, and that 95% of the data is within 2 standard deviations. (Refer to bell-shaped graph)

Therefore, the percent of  red lights that last between 2.5 and 3.5 minutes is 95%

8 0
3 years ago
In the Diagram Lines M And N are Parallel M &lt; 2 = 150 degress, Find the Measure of the following angles
Snezhnost [94]

<4= 150
<6=150
because the angels are parallel <4 & <2 are the exact same measurements and because 6 is perpendicular to  <4 & <2 thus making it also 150 degrees


5 0
3 years ago
Which of the following ordered pairs are solutions to the system of
lawyer [7]

Answer:

A,C, F

Step-by-step explanation:

y> 7 so,

eliminating B,D and E

now, for A, 2×1 < 9

for C, 2×-1<10

for F, 2× 17< 59

3 0
3 years ago
The temperature was 14`°F`. If the temperature dropped 5 degrees every hour for 4 hours, what is the temperature after the 4 hou
Nina [5.8K]

Answer:

-6F

Step-by-step explanation: It would be 5F(4hr) = 20F. So if you have 14F subtract 20F you get -6F. Hope this helped.

4 0
2 years ago
What times 8 equals 64
Vsevolod [243]
8 times 8 is 64.

The square root of 64 is 8.
7 0
3 years ago
Read 2 more answers
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