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Anastaziya [24]
3 years ago
14

We draw a card from a standard deck. What is the probability that it is a Jack, Queen, King or it is red.

Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

8/13 chance to get a jack, Queen, King or Red

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Help Me Plz !
nadya68 [22]
23.4 ft 

I know this is late but hope it helps!

7 0
2 years ago
Read 2 more answers
from point a leah walked 40 yards south, 60 yards west, 10 yards north, and 20 yards east to point b. what is the length, in yar
nataly862011 [7]

Let's say A = (0, 0). Let's find point B so that we can find \overline{AB}.


  1. Leah walks 40 yards south. B = (0, 0 - 40) = (0, -40)
  2. Leah walks 60 yards west. B = (0 - 60, -40) = (-60, -40)
  3. Leah walks 10 yards north. B = (-60, -40 + 10) = (-60, -30)
  4. Leah walks 20 yards east. B = (-60 + 20, -30) = (-40, -30)

We have found that B = (-40, -30).


Now think about this scenario visually. We started at the center of something, which we call point A, and then started moving around until we got to point B. We can then form line \overline{AB} between the points. However, realize that we can actually make a triangle. Just think of one of the legs as part of the x-axis and the other leg as part of the y-axis.


We can find the length of these parts, which is simply the absolute value of the coordinates of point B. It may be a little hard to think about, but essentially, we can form a triangle with sides that consist of part of the x-axis, part of the y-axis, and \overline{AB}. We also know that the lengths of the legs are 40 and 30.


Since we are given the two lengths of the legs on the triangle and trying to find the length of the hypotenuse, we can use the Pythagorean Theorem. This states:

a^2 + b^2 = c^2

  • a and b are the lengths two legs of the triangle
  • c is the length of the hypotenuse

Thus, substituting in our values, we find:

40^2 + 30^2 = (\overline{AB})^2

\overline{AB} = \sqrt{40^2 + 30^2} = \sqrt{2500} = 50


The length of \overline{AB} is 50.

5 0
3 years ago
[geometry] i got 267.94 but how do i answer that in fraction?
Firlakuza [10]
Well, first off, you see how all the answers say a fraction, then pi? that means that you don't calculate pi into your answer.
But lets see. The radius is 4. V=(4/3)pi*r^2
V=(4/3)pi*4^2
V=(4/3)pi*16
V=(4/3)*16*pi
V=(4/3)*(16/1)*pi
V=(4*16)/(3*1)*pi
V=64/3*pi
so the answer is (B) 64/3pi units cubed.
8 0
3 years ago
What is the factorization of 216x12 – 64?
GalinKa [24]

9514 1404 393

Answer:

  (c)  (6x^4 – 4)(36x^8 + 24x^4 + 16)

Step-by-step explanation:

The correct factoring can be found by looking at the first exponent in the second set of parentheses.

The factorization of ...

  (a^3 -b^3)

is ...

  (a -b)(a^2 +ab +b^2)

__

Here, you have a=6x^4 and b=4, so the first term in the second parentheses is ...

  a^2 = (6x^4)^2 = 6^2·x^(4·2) = 36x^8 . . . . matches the 3rd choice

4 0
3 years ago
X + y = –4<br> y = 3x + 16
babymother [125]
If
x+y=-4
y-3x=16 or we cn write as
   x+y=-4
-3x+y=16
i multiply the first equation by 3
3x+3y=-12
-3x+ y=16
4y=4
y=1
x+1=-4
x=-5

6 0
3 years ago
Read 2 more answers
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