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Elina [12.6K]
3 years ago
11

You roll two number cubes, what is the probability of rolling two 5’s?

Mathematics
1 answer:
RoseWind [281]3 years ago
3 0

10 i think i don't know how to deleat this so can u?

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A painter is hired to paint a mural on the side of a 18-foot-tall building. The painter wants to use the entire height of the bu
marin [14]

Answer:

Step-by-step explanation:

they are asking, what multiple of 18 would equal 720

so divide 720 / 18 = 40

so the drawing on the building will be  1/40 th scale

that is,  it will be one fortieth,  of the real one.  :)  

7 0
3 years ago
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In a stack of 100 newspapers, the comic section is missing from 60 papers. Lexie buys two papers from the stack. What is the pro
Dimas [21]
<h2>Order does not matter no repetition:</h2><h2>40 papers contain the comic section:</h2>

<h3>Number of combinations:</h3>

40c2 = 780 \: combinations

<h3>Total number of combinations:</h3>

100c2 = 4950 \: combinations

p(a) =  \frac{780}{4950}  = 0.15757575757

8 0
1 year ago
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(3 + 4i) - (8 -5i) Write answer in standard form a +bi Group of answer choices
Anton [14]

Answer:

A=-5+9i

Step-by-step explanation:

\left(3+4i\right)-\left(8-5i\right)\\\\\mathrm{Group\:the\:real\:part\:and\:the\:imaginary\:part\:of\:the\:complex\:number}\\\left(a+bi\right)\pm \left(c+di\right)=\left(a\:\pm \:c\right)+\left(b\:\pm \:d\right)i\\\\=\left(3-8\right)+\left(4+5\right)i\\3-8=-5\\4+5=9\\\\=-5+9i

5 0
3 years ago
Help plz someone help me plz ty
MrRa [10]

Answer: 18.75 for each girl

Step-by-step explanation:

First you take the unit rate 2.50 multiply by 5.

2.50 x 5 = 12.50

12.50 x 3 = 37.50

37.50 / 2 = 18.75

7 0
3 years ago
20. what us the area of the figure:
Varvara68 [4.7K]
If the angle in B is 45º, that means the angle in A is also going to be 45º, considering it's a right triangle, so AC and BC are they have the same length.
Then using Pythagoras, you'll get that AC^{2} + BC^{2} equals AB^{2} .
Now, you know that AC=BC and that AB=24.
So you'll get 2AC^{2} =24^2 . You do the square root in both sides and you get that 2AC=24 and AC=12.

Now that you know that both AC and BC equal 12, you can find the area by just multiplying them and then diving them by 2. (The formula for the area of a triangle is half base multiplied by height, and in a right triangle, if a cathetus is the base, the other cathetus<span> will be the height)

And so the area is equal to 72.</span>
8 0
3 years ago
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