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garik1379 [7]
3 years ago
10

Look at photo because I don’t get it

Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0

Answer:

a) (-2,2), (-1,-1), (1,-1), (3,7)

b) x=1.4

Lelechka [254]3 years ago
7 0

Answer:

a) (-2, 2), (-1, -1), (1, -1), (3, 7)

b) x = 1.4

Step-by-step explanation:

a) Plug in your x & solve for y.

y = (-2)^2 - 2\\y = 2\\y = (-1)^2 - 2\\y = -1\\y = (1)^2 - 2\\y = -1\\y = (3)^2 -2\\y = 7

b) Same thing as a, but just plug in 0 for y & solve for x

0 = x^2 -2\\2 = x^2\\\sqrt(2) = x\\1.4 = x

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Z=-302+19.3i?????????
mafiozo [28]

Answer:

I don;t know what the question is but I know that z is an imaginary number.

Step-by-step explanation:

z=-302+19.3i

that means that it doesn't represent an actual number but is imaginary.

An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25.

4 0
4 years ago
Explain how you would graph the line y = 2/3x + 3 using its slope and y-intercept.​
Ivahew [28]

Answer:

Slope = 2/3 Y intercept +3

Step-by-step explanation:

Plot the y-intercept (0,+3) in the xy axis. Remember, this point always lies on the vertical axis y.

Starting from the y-intercept, find another point using the slope. Slope contains the direction how you go from one point to another.

The numerator tells you how much steps to go up or down (rise) while the denominator tells you how many units to move left or right (run).

Connect the two points generated by the y-intercept and the slope using a straight edge (ruler) to reveal the graph of the line.

5 0
3 years ago
Read 2 more answers
1. The sample life insurance premium table illustrates the monthly premium for every $25,000 of coverage.
Vlad1618 [11]

Answer:

  1. A.  $23
  2. B.  0.997359

Step-by-step explanation:

1. The policy rates in the table are for $25000 of insurance. Lydia wants $100,000 of insurance, which is 4 times the amount quoted in the table. Hence her premium will be 4 times the quoted premium. Her spot in the table is in the age 24–30 row and the Female Non-Smoker column. Lydia's premium will be 4×$3.50, or $14 per month.

She wants 2 times the amount quoted in the table ($50,000) of insurance for her spouse, so the premium will be 2 times that quoted in the table. His spot in the table is in the age Under 24 row and the Male Smoker column. The premium for his insurance will be 2×$4.50, or $9 per month.

The total of the two premiums will be $14 = 9 = $23 per month.

___

2. The probability of living another year is the complement of the probability of dying. For a 35–44 year-old male, the probability of dying is 264.1/100,000, about 2.641×10^-3. The complement of that is ...

  1 - 0.002641 = 0.997359

6 0
4 years ago
James is five inches taller than twice his height when
Sophie [7]

Answer:

2 feet 7 inches

Step-by-step explanation:

first, subtract 5 inches from 5 feet 7 inches which is 5 feet 2 inches

then, divide that in half

you get 2 feet and 7 inches which is your answer

4 0
3 years ago
Which statement is true about point F?
Vadim26 [7]

Answer:

F is the midpoint of AA' because Line E G bisects AA'

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

When reflecting a figure, the image is congruent to the pre-image.

A reflection maps every point of the pre-image to an image across a fixed line. The fixed line is called the line of reflection.

The distance of each point of the pre-image from the line of reflection will be the same as the distance of each point of image from the line.

In this problem the line of reflection is E G

The distance A F is equal to the distance A'F

Point F is the midpoint segment A A'

so

Line segment E G bisects segment A A'

therefore

F is the midpoint of A A' because Line E G bisects A A'

5 0
3 years ago
Read 2 more answers
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