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pantera1 [17]
3 years ago
12

I need help with my homework

Mathematics
1 answer:
vichka [17]3 years ago
6 0

Answer:

1. x= 8√2

2. x = 14 y=14√2

3. x = 18√2 = 9√2

4. x= 18/√2 =9√2

5. x= 8/√2 = 4√2

6. x = 10/√2 i.e 5√√2

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Hello,
oksano4ka [1.4K]

It took him 9.92 hours to complete the journey.

Step-by-step explanation:

Given,

Distance traveled = 50 miles

Distance traveled on horse = \frac{50}{2}=25\ miles

Distance traveled on foot = 25 miles

Speed while riding = 9 miles per hour

Distance = Speed * Time

Time while riding = \frac{Distance}{Speed}

Time while riding = \frac{25}{9}=2.78\ hours

Speed while waling = 3.5 miles

Time = \frac{25}{3.5}=7.14\ hours

Total time = 2.78+7.14 = 9.92 hours

It took him 9.92 hours to complete the journey.

Keywords: speed, distance

Learn more about distance at:

  • brainly.com/question/10552347
  • brainly.com/question/10570041

#LearnwithBrainly

7 0
3 years ago
Use the graph to find the bear’s average heart rate when it’s active and when it hibernating
lorasvet [3.4K]

we know that

the rate of a linear equation  is equal to the slope

Step 1

Find the  bear’s average heart rate when it’s active

Let

A(1.5,90)   B ( 2,120)

the slope is equal to

m=(y2-y1)/(x2-x1)

m=(120-90)/(2-1.5)=30/0.5

m=60 heartbeats/min

therefore

the answer part a) is

the bear’s average heart rate when it’s active is 60 heartbeats/min

Step 2

Find the  bear’s average heart rate when it’s hibernating

Let

A(1.5,18)   B ( 2,24)

the slope is equal to

m=(y2-y1)/(x2-x1)

m=(24-18)/(2-1.5)=6/0.5

m=12 heartbeats/min

therefore

the answer part b) is

the bear’s average heart rate when it’s hibernating is 12 heartbeats/min


7 0
3 years ago
How to do this????????????????????
nexus9112 [7]
C. x+6 is a factor


...............
5 0
3 years ago
Read 2 more answers
8x+4(4x-3)=4(6x+4)-4​
vaieri [72.5K]

Answer:

x = 24

Step-by-step explanation:

8x + 4(4x - 3) = 4(6x + 4) - 4

8x + 16x - 12 = 24x + 16 - 4

24x - 12 = 24x + 12

24x = 24x + 12 + 12

24x = 24x + 24

24x/24x = 24

x = 24

6 0
3 years ago
if employee a logged 120 hours of travel in four years and employee b logged of travel at a 20% higher rate how many more hours
Gnoma [55]
First we need to find the rate of logging for employee A per year. To do this, the number of hours can be divided by the number of years to find out how many hours of travel they log per year.

120 ÷ 4 = 30. Employee A logs roughly 30 hours of travel per year.

To find a percentage increase of 20%, you need to multiply by 1.2. 
30 x 1.2 = 36. 
Therefore, Employee B logs roughly 36 hours of travel per year.

To find out how many hours of travel Employee B logs after 1.5 years, we simply need to multiply 36 by 1.5, which equals 54.

To find out how many hours of travel Employee A logs after 1.5 years, we simply need to multiply 30 by 1.5, which equals 45.

Finally, we need to find out how many MORE hours Employee B logged after 1.5 years compared to Employee A. To do this, we simply need to do 54 - 45 = 9 hours.

Working = (((120/4) x 1.2) x 1.5) - (120/4 x 1.5)
Answer = 9 hours.
6 0
4 years ago
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