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IRINA_888 [86]
3 years ago
7

Wen was hiking on a 12 mile route. During the first 2 hours, his hiking speed was 3 mph. During the rest of the hike, his speed

was 2mph. How long did the entire trip take?
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer: 5 hours

Step-by-step explanation: trust

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John is w years old. His sister is 16 years old and his brother is twice johns age all three siblings have a total age of 31
Kisachek [45]

Answer:

Step-by-step explanation:

John's age = w

His brother's age = 2*w  = 2w

His sister's age = 16 years

Total age of all siblings = 31

w + 16 + 2w = 31

w + 2w + 16 = 31

Combine like terms

      3w + 16 = 31

Subtract 16 from both sides

    3w          = 31 - 16

              3w = 15

                w = 15/3

               w = 5

\boxed{\text{John's age = 5 years }}

His brother's age = 2w

                            = 2*5

                            = 10

\boxed{\text{John's brother's age = 10 years}}

 

6 0
2 years ago
Which property is represented in the following equation: 3 + 4 = 4 + 3
Delicious77 [7]

Answer:

Commuttative Property for Addition

Step-by-step explanation:

There is the answer above

7 0
3 years ago
Can you do this because it is confusing to me
erica [24]

A cylinder is a three-dimensional structure formed by two parallel circular bases connected by a curving surface. The volume of the cylinder is 1330.4644 cm³.

<h3>What is a cylinder?</h3>

A cylinder is a three-dimensional structure formed by two parallel circular bases connected by a curving surface. The circular bases' centers overlap each other to form a right cylinder.

Given the height of the cylinder is 14 cm, while the diameter of the cylinder is 11 cm. Therefore, the volume of the cylinder can be written as,

The volume of the cylinder = (π/4)×(D²) × H

                                               = (π/4)×(11)² × 14

                                               = 1330.5 cm³

Hence, the volume of the cylinder is 1330.5cm³.

Learn more about Cylinder:

brainly.com/question/12248187

#SPJ1

3 0
2 years ago
Rectangle PQRS will be transformed to the points P^ prime (2,0) , Q^ prime (7,0),R^ prime (7,-2) , and S^ prime (2,-2)What type
Svet_ta [14]
I think it’s D rotation can u plz thank me
6 0
3 years ago
Read 2 more answers
If there are initially 3500 bacteria in a culture and the number of bacteria double each hour the number of bacteria after t hou
Gekata [30.6K]
Log(35,000÷3,500)÷log(2)
=3.32193 hours
8 0
3 years ago
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