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Vesnalui [34]
3 years ago
9

Geometry-Conditional Probability Questions!!!

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0

Answer:

3. 100% because you know they will all land tails.

4. 30 ish% Because you know the quarter will land making the other two a 50/50 chance.

The 2nd one might not be right

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The bike store marks up the wholesale cost of all of the bikes they sell by 30%. Andre wants to buy a bike that has a price tag
garik1379 [7]

Answer: The wholesale cost of this bike is $96.15.

Andre will pay after discount is $100.

Step-by-step explanation:

Since we have given that

Price tag of a bike that Andre wants to buy = $125

The bike store marks up the whole sale price of all the bikes by 30%

So, the wholesale cost of this bike <em>('</em><em>x'say</em><em>)</em> will be given as

\frac{100+30}{100}\times x=\$125\\\\\frac{130}{100}\times x=\$125\\\\x=\frac{100}{130}\times 125\\\\x=\$96.15

So, the wholesale cost of this bike is $96.15.

if the bike is discounted by 20%,

then Andre will pay is given by

\frac{100-20}{100}\times 125\\\\=\frac{80}{100}\times 125\\\\=\frac{10000}{100}\\\\=\$100

So, Andre will pay after discount is $100.

3 0
4 years ago
Read 2 more answers
Plz help with this problem plz
zlopas [31]
=90 degree - 48 degree
=42 degree
4 0
3 years ago
Read 2 more answers
Sheila painted 15 portraits every 25 minutes. At that rate, how long, in
padilas [110]

Answer:

30 minutes

Step-by-step explanation:

15/25=18/x

25/15=x/18

18(25/15)=x

450/15=x

x=30

it will take 30 minutes

8 0
3 years ago
PLS HELP WILL GET MARKED AS BRAINLIST!!!!!!!!!!!!!!!!
Paha777 [63]

Answer:

Ok, this is quite a bit more work than I am used to but I will try!

Step-by-step explanation:

Ok, seeing we have no hidden value for <em>x  </em>I presume that we are using it as a coordinate plane listing location. Now that we have that settled, that would mean for the first bit on "A" is y= -4x is starting at x=0 on the number line and we are moving it back 4 spaces. Next bit for "A" is y=2(-x+1) seeing that it is right beside it means it is multiplication and we will be using PEMDAS for this one so we can get the best results. We will start with taking -x which automatically makes it -1x because there is no value infront of it and adding 1 because of +1, you can't have -0 you know! Meaning this value is y=0 because anything times zero is, say it with me! ZEEERROOOO! Now for part B, we moved back to "x" but for both parts... hmm.... well, let's start! -4x=2(-x+1), practically our last question but with multiple "x's". Using same logic, answer is -4x=0, meaning the value of "x" is 0. Turns out last questions "y" variable was an actual variable! Not a piece on the coordinate plane, silly me! Next answer is 0 and after that -4x=2(-x+1) we got the same logic as our last question, almost exact actually! There fore -4x=0! Hope this helped and have a good day! :D

8 0
3 years ago
So this should be one of the last few ones
sergeinik [125]

Answer:

A

Step-by-step explanation:

Because you have to use the Pythagorean theorem to solve for this.

8 0
3 years ago
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