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3 years ago

Which points are reflections of each other across both axes?

Mathematics

2 answers:

V125BC [204]3 years ago

8 0

Answer:

Step-by-step explanation:

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

A: (-2,8) and (2,-8)

Step-by-step explanation:

The following points are reflections of each other across both axes:

The reflection of the point 2 in the x-axis is point -2, and the reflection of the point 8 in the y-axis is -8. For every point there is a direct opposite point, which is the reflection of the first. The resul twill be a a figure of the same shape and size.

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In a certain college, 33% of the math majors belong to ethnic minorities. If 7 students are selected at random from the math maj

Digiron [165]

Answer: a) 0.996, b) 0.253, c) 0.02.

Step-by-step explanation:

Since we have given that

Probability of success = Probability of the math majors belong to ethnic minorities = 33% = 0.33 =p

Probability of failure = q = 1-0.33 = 0.67

Number of students selected = 7

a) No more than 5 belong to an ethnic minority

So, using "binomial distribution", we get that

$P(X\leq 5)=\sum^5 _{x=0} ^5C_x(0.33)^x(0.67)^{5-x}=0.996$

b. Exactly three of them belong to an ethnic minority

So, it becomes,

$P(X=3)=^7C_3(0.33)^3(0.67)^4=0.253$

c. None of them belong to an ethnic minority

$P(X=0)=^7C_0(0.33)^0(0.67)^7=0.02$

Hence, a) 0.996, b) 0.253, c) 0.02.

8 0

3 years ago

Circle the letter for the correct answer.

8_murik_8 [283]

Answer:

Step-by-step explanation:205

7 0

3 years ago

Quadrilateral ABCD is rotated 90 degrees about the origin what are the coordinates of quadrilateral A'B'C'D'

777dan777 [17]

Answer:

Step-by-step explanation:

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4 years ago

Read 2 more answers

Round of 94136 to the nearest whole number

marta [7]

Answer:

94136

Step-by-step explanation:

It would just be the same thing because their is no decimal or fraction after the number and 94136 is already a whole number

3 0

3 years ago

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Lubov Fominskaja [6]

Answer:

1. More magnets are longer than 2 1/2

2. 10 magnets measure in whole numbers and 5 magnets between 2 whole numbers

3. Because the shortest magnet is 1 inch and the longest magnet is 4 inches.

Step-by-step explanation:

1. There are 7 magnets that are longer than 7 1/2 and only 6 magnets that are shorter than 2 1/2. (The 2 magnets that are exactly 2 1/2 are neither longer nor shorter therefore they do not apply to the question.)

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3 years ago