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maks197457 [2]
3 years ago
9

What is equivalent to 5(3x - 1 )

Mathematics
1 answer:
Alecsey [184]3 years ago
3 0
(3x - 1)5
It is backwards. :))

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When dividing 878 by 31 a student finds a quotient of 28 with a remainder of 11 check the students work and use the check to fin
sveticcg [70]
878 ÷ 31 = 28 with a remainder of 10
7 0
3 years ago
Estimate the area of a circle with a radius of 21 meters. Use 22/7 for pi. (1 point)
V125BC [204]
A=\pir^{2}

A=(\frac{22}{7})(21^{2})

A=(\frac{22}{7})(441)

A=\frac{22}{7})(\frac{441}{1})

A=\frac{9702}{7}

A=1386 square meters

The answer is B.
5 0
3 years ago
A truck left a station at 6:00am traveling at a rate of 45km/h. A van left the same place 2 hours later heading in the same dire
OverLord2011 [107]

The Van would catch up with the truck at 6:00 pm

Speed is the ratio of distance travelled to time taken. It is given by:

Speed = distance / time

Let us say the van catch up with the truck after t hours at a distance d.

For the truck:

45 = d/t

d = 45t

For the Van:

54 = d / (t - 2)

d = 54t - 108

45t = 54t - 108

9t = 108

t = 12 hours

The Van would catch up with the truck at 6:00 pm

Find out more on speed at: brainly.com/question/3004254

6 0
2 years ago
Read 2 more answers
Which group has the higher mean? By how much? Round to the nearest tenth.
vampirchik [111]
Can I ask how did u make the picture? Plz tell me how
7 0
3 years ago
A group of 100 people is divided into 2 teams with 45 people in team A and 55 people in team B.
Zepler [3.9K]
Team A) 45 people
Team B) 55 people

A)There are two ways to solve this problem, finding the number of combinations possible for Team B, or the number of combinations possible for Team A. 
Team A
It's a given that 20 mathematicians are on team A, which leavs the other 25 people for team A to be chosen from a pool of 80 (100- 20 mathletes)
80-C-25 = 80! / (25!/(80-25)!) =<span>363,413,731,121,503,794,368
</span>or 3.63 x 10^20
Solving using Team B
Same concept, but choosing 55 from a pool of 80 (mathletes excluded)
80-C-25 = 80! / (55!(80-55!) = 363,413,731,121,503,794,368
or 3.63 x 10^20

As you can, we get the same answer for both. 

B)
If none of the mathematicians are on team A, then we exclude the 20 and choose 45:
80-C-45 = 80! / (45!(80-45)!) = <span>5,790,061,984,745,3606,481,440
or 5.79 x 10^22

Note that, if you solve from the perspective of Team B (80-C-35), you get the same answer</span>
7 0
3 years ago
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