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Goryan [66]
3 years ago
14

6) Maria bought seven boxes. A week later

Mathematics
1 answer:
Musya8 [376]3 years ago
4 0

Answer:

37

Step-by-step explanation:

Maria started with x boxes.

When she bought 7 boxes, she has (x+7).

Half of her boxes are destroyed (x+7)/2.

Half of her boxes left (x+7)/2.

And

(x+7)/2 = 22

x+7=44

x= 44 -7 = 37

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That is it</span></span></span>
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What is the percent of increase from 106 miles to 122 miles?
Elis [28]

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15.094 %

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(0.15094)x100

15.094

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Glenn bought 3 pounds of tomatoes. He used § of them to make sauce.
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3 years ago
A television and DVD player cost a total of $1230. The cost of the television is two times the cost of the DVD player. Find the
nikitadnepr [17]

Answer:

Television = 820

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6 0
3 years ago
A student throws a rock into the sky from the top of the Webster build- ing with an angle α = π 4 from the horizontal line and t
lord [1]

Answer:

  • r(0) = <0, 100> . . . . . . . .meters
  • r'(0) = <7.071, 7.071> . . . . meters per second

Step-by-step explanation:

<u>Initial Position</u>

The problem statement tells us we're measuring position from the ground at the base of the building where the projectile was launched. The initial horizontal position is presumed to be zero. The initial vertical position is said to be 100 meters from the ground, so (in meters) ...

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<u>Initial Velocity</u>

The velocity vector resolves into components in the horizontal direction and the vertical direction. For angle α from the horizontal, the horizontal component of velocity is v₁·cos(α), and the vertical component is v₁·sin(α). For v₁ = 10 m/s and α = π/4, the initial velocity vector (in m/s) is ...

  r'(0) = <10·cos(π/4), 10·sin(π/4)>

  r'(0) ≈ <7.071, 7.071>

7 0
3 years ago
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