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3 years ago

HELP I NEED TO FIND THE COORDINATES OF THE POINTS

Mathematics

1 answer:

lakkis [162]3 years ago

4 0

Answer:

The coordinate of any given point can be written as (x, y), where x is the x coordinate, and y is the y coordinate.

For example, point A has an x coordinate (horizontal) of 5, and a y coordinate (vertical) of 6. So the ordered pair is (5, 6).

Similarly, for the rest we have:

B: (-5,5)

C: (-2,3)

D: (-2,-2)

E: (3,-4)

F: (3,-6)

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A man buy 10 lemon on 20 and sell 8 lemon on 20 find his profit or loss percent

noname [10]

The problem with this problem is I can't tell how much money he has gained because I don't know how much the lemons are actually worth. If the lemons are worth 20 bucks for 10, then he made 4 bucks, but if they are actually worth 20 bucks for 8, then he made 5 bucks. (i believe everything i said is true but i could be wrong)

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3 years ago

A person recently read that 84% of cat owners are women. How large a sample should the researcher take if she wishes to be 90% c

Lana71 [14]

Answer:

405

Step-by-step explanation:

To find sample size, use the following equation, where n = sample size, za/2 = the critical value, p = probability of success, q = probability of failure, and E = margin of error.

$n=\frac{(z_{\frac{\alpha }{2} })^{2} *p*q }{E^2}$

The values that are given are p = 0.84 and E = 0.03.

You can solve for the critical value which is equal to the z-score of (1 - confidence level)/2. Use the calculator function of invNorm to find the z-score. The value will given with a negative sign, but you can ignore that.

(1 - 0.9) = 0.1/2 = 0.05

invNorm(0.05, 0, 1) = 1.645

You can also solve for q which is 1 - p. For this problem q = 1 - 0.84 = 0.16

Plug the values into the equation and solve for n.

$n =\frac{(1.645)^2*0.84*0.16}{(0.03)^2}\\n= 404.0997333$

Round up to the next number, giving you 405.

6 0

3 years ago

A pack of four CFL bulbs cost $5.12 what is the cost for CFL bulb HELPPP MEHHH BTW ADD ME ON FORTNITE poineytail360

OverLord2011 [107]

$1.28

If you divide $5.12 by 4 you get 1.28

so it's 1.28 per

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3 years ago

3 ? 7 ? 12 ? 2 = 514

Bess [88]

3 x 7 x 12 x 2 I think

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2 years ago

Read 2 more answers

What is the value of x in the following equation?<br> 7x + 5(2x – 10) = 69

Gemiola [76]

Answer:

Step-by-step explanation:

7x+10x-50=69

17x=69+50

x=7

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3 years ago