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fenix001 [56]
2 years ago
10

What is 6s + 18t + 3w =

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
4 0
6s + 18t + 3 w = 3 • (2s + 6t + w)
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A<br> is part of a line with one endpoint but goes on<br> forever in the other direction.
hjlf

Answer:

A ray

Step-by-step explanation:

A ray is a line segment that has only one endpoint. A ray is infinite in one direction. That means that it goes on forever in one direction.

7 0
3 years ago
It takes Lucas 3 hours to cycle from his home to his friends village but if travels 5 mph slower, it will take him 1.5 hours lon
Alika [10]

The distance from friend's village to Lucas's house is 45 miles

Step-by-step explanation:

Lets assume the distance from Lucas home to friend's village is x miles

The time taken to cycle from Lucas home to friend's village is 3 hrs....t₁

The time taken if travelling at a 5 mph reduced speed is 1.5 hrs longer......t₂

t₂=4.5 hrs

t₁= 3 hrs

Speed for cycle in first instance, where t₁=3 hrs and distance is x miles

s₁=d/t = x/3 mph

Speed for cycle if travelling at a slower speed,

s=\frac{x}{3}-5

Time taken in the second instance when travelling at a slower speed

=\frac{x}{\frac{x}{3}-5 }=4.5\\ \\\frac{3x}{x-15} =4.5\\\\\\3x=4.5(x-15)\\\\3x=4.5x-67.5\\\\\\67.5=4.5x-3x\\\\\\67.5=1.5x\\\\\\67.5/1.5=x\\\\\\45=x

The distance from friend's village to Lucas's house is 45 miles

Learn More

Formula for speed:brainly.com/question/13664094

Keywords: cycle,home, village, travels,slower,longer

#LearnwithBrainly

6 0
2 years ago
Simplify. -4 + 12 + (-9) *<br><br> PLEASE HELP REEEE
timama [110]

Step-by-step explanation:

= -4 + 12 + (-9)

= -4 + 12 - 9

= -4 + 3

= -1

6 0
2 years ago
Pls help with this math
Salsk061 [2.6K]

Answer:

44.58

Step-by-step explanation:

v=\frac{4}{3}\pi r^{3}\\ given r= 2.2\\\pi =3.14\\hence:v=\frac{4}{3}  (3.14)(2.2)^3=44.58

5 0
2 years ago
Divide 7/15 by 3/5. <br><br> A. 21/75<br> B. 7/9<br> C. 75/21<br> D. 7/25
makvit [3.9K]
The answer is b:
First change the operation to multiplication, and then change the last fraction to it's reciprocal (7/15 / 5/3)
Then, you can simplify 15 and 5 to 3 and 1 (divide each by 3)
Finally u multiply (7*1 / 3*3)

Sorry if its bad first time 
4 0
3 years ago
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