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KATRIN_1 [288]
3 years ago
15

½ x - 12 = 9 please help im not smart

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0

Answer:

42

Step-by-step explanation:

I'm pretty sure that this is the answer.

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At 8:00 A.M., Jackie starts at the north end of a 10-mile trail and begins walking south at an average speed of 2 mph. After a w
Tcecarenko [31]

Answer:

  • 3.08 miles

Step-by-step explanation:

  • Total distance = 10 miles
  • Total time = 2 hours
  • Distance walked = x
  • Speed walked = 2 mph
  • Distance cycled = 10 - x
  • Speed cycled = 15 mph

<u>Using the given data we can have the equation below to the time:</u>

  • x/2 + (10 - x)/15 = 2
  • 30x/2 + 30(10 - x)/15 = 30(2)
  • 15x + 20 - 2x = 60
  • 13x = 60 - 20
  • 13x = 40
  • x = 40/13
  • x = 3.08 miles <em>rounded to 2 decimal places</em>
7 0
3 years ago
A bus traveled 150 mlles in 3 hours. At what average rate did the bus travel?
dezoksy [38]

50 Miles at an average rate

8 0
3 years ago
Help really important
likoan [24]

Answer: Its c

Step-by-step explanation:

Plz give brainliest

8 0
2 years ago
Rose's bank account y = 8x+ 50 what is the rate and what does Y-intercept
quester [9]

<u>Explanation:</u>

The rate is 8. It's attached to the "x". When graphed, 8 is the slope.

The y-intercept represents the initial value, or the starting amount of money in Rose's bank account.

6 0
3 years ago
in a circular garden the distance from the center of the circle to the edge is 15ft . If a gardner wants to plant roses in a 60
olya-2409 [2.1K]

Answer:

Approximately 117.81 ft²

Step-by-step explanation:

Find the area of the whole circle

A=πr²

A=π(15)²

A=706.86 ft²

Now you need to find the area of the garden covered in roses, so take the total degrees in a circle (360) and divide it by the degrees of the roses (60).

360/60=6

Take the area of the whole circle (706.86 ft²) and divide it by the number you just got (6). The number you get will be the area of the rose section.

706.86/6= 117.81 ft²

6 0
3 years ago
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