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N76 [4]
3 years ago
6

Simplifying and combining like terms : 2(x-2)+(x+3)

Mathematics
2 answers:
brilliants [131]3 years ago
7 0
2(x-2)+(x+3)
=(2x-4)+(x+3)
=2x-4+x+3
=3x-1
zheka24 [161]3 years ago
4 0

2(x-2)+(x+3)

=(2x-4)+(x+3)

=2x-4+x+3

=3x-1

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A weighted coin has a 0.599 probability of landing on heads. What is the probability that it takes 5 flips for the first head to
natka813 [3]

Answer:

0.411^5 times 0.599

Step-by-step explanation:

0.599 chance of landing on heads.

0.411 chance of not landing on heads.

0.411 times 0.411 times 0.411 times 0.411 times 0.411 (for the 5 flips that do not land on heads) times 0.599 (for the time that it does land on heads).

6 0
3 years ago
A train travels from Washington DC to new york(225 miles). The train departs at 4:55 PM and arrives in New York at 7:55 PM. What
mylen [45]

Answer:

The average speed is:

\var{v}=75\: miles/h

Step-by-step explanation:

The average speed equation is given by:

\var{v}=\frac{\Delta x}{\Delta t}

Were:

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  • Δt is the change in time (3 hours)

Then we have:

\var{v}=\frac{225}{3}

\var{v}=75\: miles/h

I hope it helps you!

4 0
3 years ago
What is the median !!! help!! alegbra 2. marking brainliest
dedylja [7]

Answer:

The answer is 8.5

Step-by-step explanation:

Just list all the numbers and cross them out one by one.

8 0
3 years ago
Read 2 more answers
provide a counterexample (specific values of a,b, etc. which make the statement false) for each of the following statements. Ass
ivolga24 [154]

Answer:

1. a=3, b = 2, c = 1.

2. a=2, b=3, c=4, d=6.

3. a = 9, b = 3.

Step-by-step explanation:

1.  3 | 21   is a counterexample  because 3 does not divide into  2 or 1.

2. 23 | 46 is a counterexample because 2 does not divide into 3.

3. 9 | 3^2 is a counterexample because 9 does not divide into 3.

8 0
3 years ago
I cant get it right it says my answer is wrong
kow [346]
I’m learning this too.. so what you do it see what will the number he if it was a while line so to find that out you will add 7+7 and get 14 so that’s the whole
So 7 x 7 will equal 49 and 49 x 3.14 will give you 153.86 as the answer
5 0
3 years ago
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