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deff fn [24]
3 years ago
12

Which of the choices below does not represent a function? A) y2=9 B) y=3x2+5x+1 C) y=9

Mathematics
1 answer:
IrinaVladis [17]3 years ago
4 0
I think B is the right answer
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If you were to add 12.52, 349.0 and 8.24, how many significant digits should the answer have? a.. three. c.. five. b.. four. d..
Ghella [55]
<span>b.. four
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5 0
3 years ago
I need percentage, fraction, decimal That are equivalent asapppp
Anarel [89]

Answer:

3/5 = 0.6

1/8 = 0.125

3/50 = 0.06

7/8 = 87.5%

1/3 = 33 1/3%

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6 0
4 years ago
Read 2 more answers
Consider z1 = 4 – 4 startroot 3 endrooti and z2 = –16i. What is z1 – z2? 4 – 12startroot 3 endroot i 4 12startroot 3 endroot i 4
dalvyx [7]

The answer is: z_1-z_2=4-4(\sqrt{3i} -4i)

The correct option is: (D)

<h3>What are Complex numbers?</h3>

A complex number is the sum of a real number and an imaginary number. A complex number is of the form a + ib and is usually represented by z. Here both a and b are real numbers. The value 'a' is called the real part which is denoted by Re(z), and 'b' is called the imaginary part Im(z).

Since we have given : z_1=4-4\sqrt{3i} and z_2 = -16i

The difference of z1 - z2 would be:

So,

z_1-z_2=4-4\sqrt{3i} - (-16i)

z_1-z_2=4-4\sqrt{3i}+16i

z_1-z_2=4-4(\sqrt{3i} -4i)

Hence, z_1-z_2=4-4(\sqrt{3i} -4i)

Learn more about Complex Number here:

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5 0
2 years ago
-1505 to the 0th power equals <br> a. -15<br> b. zero<br> c. 1<br> d. 150<br> e. 1505
RideAnS [48]
Any number to the 0th power equals to 1. Nature of number doesn't matter.

In short, Your Answer would be Option C

Hope this helps!
3 0
3 years ago
Two cars leave simultaneously from points A and B, the distance between which is 280 km. If the cars move to meet each other, th
Stels [109]

Answer:

Car A speed = 80 m/s

Car B speed = 60 m/s

Step-by-step explanation:

Let Speed of Car A be represented as x

Let Speed of Car B be represented as y

  • 280 = (x+y)(2)
  • 140 = x+y --> Equation 1

Let z represent the distance that Car A travels until it catches up to Car B

  • 280+z = x(14)

Since it takes 14 hours for Car B to cover the distance z,

  • z = 14y
  • 280+14y = 14x
  • 280 = 14(x-y)
  • 20 = x-y --> Equation 2

Solving Equation 1 and Equation 2, we get:

  • x = y+20
  • 140 = 2y+20
  • 120 = 2y
  • y = 60
  • x = y+20 = 80

6 0
3 years ago
Read 2 more answers
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