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Evgen [1.6K]
4 years ago
10

Find the missing coordinate so that the line through the point has the given slope

Mathematics
1 answer:
soldi70 [24.7K]4 years ago
3 0
7273644/372828.\#*+=
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Color-blindness is any abnormality of the color vision system that causes a person to see colors differently than most people, o
creativ13 [48]

Answer: c) All of the above

Step-by-step explanation:

a) X=the number of color-blind males of the randomly chosen 20 individuals

Thus, X is binomial with n = 20 and p = 0.08.

Y represents the number of color-blind females of the randomly chosen 40 individuals

Thus, Y is also binomial with n = 40 and p = 0.01.

b) However, Z represents the total number of color-blind  which is 60. The probability of being color-blind is not equal among all individuals as it is for X (0.08) and Y (0.09). Thus, Z is not binomial.

In conclusion both a and b are correct, which gives the correct answer number c) all of the above.

7 0
3 years ago
HELPEHELP
xz_007 [3.2K]

Answer:

The equation should be 2.5x+1.8=59.3

Step-by-step explanation:

First, subtract the 1.8 dollars from the 59.3. You will get 57.5. Divide it by 2.5 and you will get the number 21 as x.

3 0
3 years ago
Identify the x-intercept.<br><br> 1) y= 1/5x + 3<br><br> 2) y= 6x - 7<br><br> 3) y= -8/3x + 9
irakobra [83]
1) 1/5x + 3=0

1/5x=-3

x=(-3)(5)=-15

2)6x-7=0

6x=7

x=7/6=1.17

3) -8/3x+9=0

-8/3x=-9

-8x=-27

x=27/8=3.375
6 0
4 years ago
Read 2 more answers
.
IrinaK [193]

Answer:

"A - $32.50"

Step-by-step explanation:

So, 0.40 per share for 100 shares is:

Decrease of 0.40 * 100 = $40

Also, 0.25 per share for 30 shares is:

Increase of 0.25 * 30 = $7.5

So, decreased by 40 and increased by 7.5 means Total Decrease of 40 - 7.5 = $32.5

Answer choice A is right.

6 0
3 years ago
An airplane is preparing to land at an airport. It is 41,300 feet above the ground and is descending at the rate of 3,100 feet p
MissTica

9514 1404 393

Answer:

  • after 7 minutes
  • 19,600 feet

Step-by-step explanation:

Here's the "pencil and paper" solution:

  The two altitude equations are ...

  • y = 41300 -3100x
  • y = 2800x

They can be solved by setting the expressions for y equal to each other.

  2800x = 41300 -3100x

  5900x = 41300

  x = 41300/5900 = 7

  y = 2800·7 = 19600

The planes will both be at 19,600 feet after 7 minutes.

_____

Attached are solutions from a graphing calculator, and from a calculator app that is able to solve systems of equations.

I find the graphing calculator the easiest to use. I can enter equations using a keyboard, and the solution is displayed in a form that can be copied and pasted.

The calculator app on my phone requires equation entry using a small on-screen keyboard, with multiple key hits required to access some functions. (y is obtained by hitting the x key twice, for example.)

The "pencil and paper" solution is not so difficult, but requires a certain amount of writing (or good short-term memory). The solutions for x and y require separate calculations, whereas the other methods give both x and y at the same time.

3 0
4 years ago
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