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ELEN [110]
3 years ago
8

(7x+14) (15x-4) solve for x (20 points

Mathematics
1 answer:
Misha Larkins [42]3 years ago
7 0

Answer:

The value of x .

7x-14= 15x

-14 =8x

x= -7/4

Step-by-step explanation:

sorry if im wrong

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It took me 3 hours to visit my friend in Maine, averaging a speed of 58 miles per hour. If it took me 15 minutes less to get bac
mariarad [96]

Answer:

<u>The average speed coming home was 63.27 miles per hour</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Speed from home to Maine = 58 miles per hour

Time of the first leg of the trip = 3 hours or 180 minutes

Time of the second leg of the trip = 15 minutes less = 180 - 15 = 165 minutes or 2 hours 45 minutes

2. What was my average speed coming home?

Let's calculate the distance from home to Maine, this way:

Speed = Distance/Time

Distance = Speed * Time

Distance = 58 * 3 = 174 miles

Now, let's calculate the speed of the second leg, as follows:

Speed = Distance/Time

2 hours 45 minutes = 2.75

Speed = 174/2.75

<u>Speed = 63.27 miles per hour</u>

8 0
3 years ago
A garden is made up of two squares and a quarter circle. What is the area of the garden?
Elanso [62]

9514 1404 393

Answer:

  100.27 ft^2

Step-by-step explanation:

The area of each square is ...

  A = s^2 = (6 ft)^2 = 36 ft^2

The area of the 1/4 circle is ...

  A = 1/4πr^2 = 1/4π(6 ft)^2 = 9π ft^2 ≈ 28.27 ft^2

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The area of the garden is the sum of the areas of the quarter circle and the two squares:

  A = 28.27 ft^2 + 2×36 ft^2 = 100.27 ft^2

The area of the garden is about 100.27 square feet.

7 0
3 years ago
What is 13 - 4x = 1 - x
JulsSmile [24]
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13-1-3x=1-1
12-3x=0
12=3x
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4=x
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87% of 73 I'm guessing rn
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Alex787 [66]
Answer: 1.05

Step-by-step:
15.1 - 13 = 2.1
2.1 = 1.05
6 0
4 years ago
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