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34kurt
3 years ago
13

Please help I’m BEGGING

Mathematics
1 answer:
Degger [83]3 years ago
5 0

Answer:

Bro math Step-by-step explanation:

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Dave walked to his friends house at a rate of 4 mph and returned biking at a rate of 10 mph. If it took him 18 minutes longer to
vesna_86 [32]

Answer:

The total distance of the round trip was 4 miles

Step-by-step explanation:

1. Let's check all the information given to answer the question correctly:

Speed of Dave walking to his friend's house = 4 mph

Speed of Dave biking from his friend's house = 10 mph

Time walking is 18 minutes longer than time biking

2. What was the total distance of the round trip?

Time walking = x

Time biking = x - 18

For solving x, we will use the following equation:

4x = 10 * (x - 18)

4x = 10x - 180

-6x = - 180

x = -180/-6 (Dividing by - 6)

x = 30

Dave walked 30 minutes and biked 12 minutes, now we can calculate the total distance, this way:

30 minutes = 0.5 hours and 12 minutes = 0.2 hours

Total distance = 4 *0.5 + 10 * 0.2

Total distance = 2 + 2

Total distance = 4 miles.

3 0
3 years ago
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A) vẽ đồ thị hàm số y=2x-3(d1)
IgorC [24]

Answer:

Step-by-step explanation:

6 0
3 years ago
Quiz 4: Solving Inequalities
san4es73 [151]

Answer:

15x+60\leq 100

Step-by-step explanation:

Let

x -----> the number of hours that the painter works

we know that

The inequality that represented this situation is equal to

15x+60\leq 100

solve for x

Subtract 60 both sides

15x\leq 100-60

15x\leq 40

Divide by 15 both sides

x\leq 40/15

x\leq 2.67\ hours

The maximum number of hours is 2

3 0
3 years ago
A P E X
lianna [129]
The answer would be C
8 0
2 years ago
the shadow of an object varies directly as it height a man 1.8m tall cast a shadow 4.32m long if at the same time a flagpole cas
Usimov [2.4K]
This will help a lot if you know how to do proportions... hope I helped

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3 years ago
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