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docker41 [41]
3 years ago
9

14. Danny works part-time at Tom's Toy Store. He

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0

Answer:

  • 21 hours in May, 63 hours in June

Step-by-step explanation:

<h3>Set up equations</h3>
  • m - May, j - June
  • m + j = 84
  • m = 1/3j
<h3>Solve by substitution, fin the value of j</h3>
  • 1/3j + j = 84
  • 4/3j = 84
  • j = 84*3/4
  • j = 63
<h3>Find m</h3>
  • m + 63 = 84
  • m = 84 - 63
  • m = 21
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Answer:

Biff's tree is 14 m off the ground and Rocco's tree is 7 m off the ground.

Step-by-step explanation:

Let the height of Biff's tree be represented by x, so that the height of Rocco's tree is \frac{x}{2}.

Draw a straight line from Rocco's point of view to a point t to the middle of Biff's tree. This line divides x into two equal parts, and the angle is divided into 35^{0} each.

By alternate angle property,

Tan  35^{0} = \frac{\frac{x}{2} }{10}

\frac{x}{2} = Tan  35^{0} × 10

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2. The quotient of a number and -9 increased by 10 is 11.
MrMuchimi

Answer:

Step-by-step explanation:

This question isn't worded the greatest, there are two ways you can read this.

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The first equation will look like this

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And the second will look like this

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