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andrew11 [14]
3 years ago
13

If one coin is flipped and then a second coin is flipped, what is the probability that both coins turn up tails?

Mathematics
2 answers:
kakasveta [241]3 years ago
7 0
50% chance.
I hope this is of help to you, and happy studying~!
~{Oh Mrs.Believer}
RoseWind [281]3 years ago
5 0
50% chance that both will land tails up
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Translate the sentence into an equation. The sum of 3 times a number and 7 is 19.
klemol [59]
D. Because you're multiplying 3 by a number which is what the variable represents (n), then you're just adding 7 to that which equals 19 all together. It all translates to 3n+7=19.

7 0
3 years ago
Tim has twice as many marbles as Luke together they have 39 marbles how many marbles does time have
Travka [436]
Tim has 2 times as luke
t=2l
they have 29 goether
t+l=39
subsitute
2l+l=39
3l=39
divide by 3
l=13

subsitue
t=2l
t=2(13)
t=26


tim has 26 and luke has 13
I don't know how many marble Tim has but probably all of them since alll must die and then the marbles go to Time
3 0
3 years ago
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Rational numbers are _____ natural numbers. <br><br> A.always<br> B.sometimes<br> C.never
shepuryov [24]
Rational numbers are basically numbers which are in the form of p/q where p and q are not equal to 0
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Therefore the answer is
B. sometimes
6 0
3 years ago
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Charlotte is redecorating the master bedroom in her house. She has purchased a new bedroom set and also plans to paint the room
nasty-shy [4]
Dimensions of the room------------------- >16*13
1 in---------------- >0.0833333 foot
3 in----------------- >x
x=3*.0833333=0.25 ft
Let
<span>C-------------- > dimensions of the piece of carpet that Charlotte must purchase
C-------------- > (16+2*0.25)*(13+2*0.25)---------- > (16.50)*(13.50)=222.75 ft</span>²
<span>
The answer a the question 1) is 16.50 feet X 13.50 feet</span>

The answer a the question 2) is 222.75 ft²

<span>3. How many hours should it take for the four-person crew to lay the flooring in Charlotte's bedroom?

if </span><span>two-person carpet crew can lay 50 square feet of carpet---------- > 1 hour</span><span>
four person </span>carpet crew can lay 100 square feet of carpet---------- > 1 hour

therefore

if  100 ft² carpet----------------------- > 1 hour
 222.75 ft² carpet--------------------- > x
x=222.75/100=2.2275 hours=2.23 hours

The answer is 2.23 hours

6 0
3 years ago
What is 312÷2 can someone help
Kisachek [45]

156

Divide using a calculator or long division

3 0
3 years ago
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