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garik1379 [7]
3 years ago
10

Workers at a quarry are removing rock at a daily rate of 0.1%. There are 3.2 tons of rock when the work begins.

Mathematics
2 answers:
Tanzania [10]3 years ago
6 0

Answer: C

Step-by-step explanation:

use the x and y

Flauer [41]3 years ago
6 0

Answer:

c

Step-by-step explanation:

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Describe what is being done in each step while solving the equation -2x + 6 +6x = 6 ( 2x -3 )
Serggg [28]

-2x + 6 + 6x = 6 (2x - 3) <em>this is the equation</em>

-2x + 6 + 6x = 12x - 18 <em>distributive property has been applied</em>

4x + 6 = 12x - 18 <em>like terms have been added</em>

6 = 8x -18 <em>4x has been</em><em> </em><em>subtracted from both sides</em>

24 = 8x <em>-18 has been added to both sides</em>

3 = x <em>8 has been divided from both sides</em>

<em></em>

I hope this helps! Let me know if I need to explain more or if I got something wrong. Have a nice day!

5 0
3 years ago
In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?
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6 0
3 years ago
The length of a rectangular computer chip is 22 x 10 cm and the width is 7 x 104 cm. Explain how to
mash [69]

Answer:

area = 160160 inches²

area = 1.6016 × 10⁵ inches²

Step-by-step explanation:

The length of the rectangular computer chip is 22 × 10 cm and the width is 7 × 104 cm .  

The area of the rectangular computer chip is the product of the length and the width.

area = length × width

area = (22 × 10) × (7 × 104)  

area = 220 × 728

area = 160160  inches²

In scientific notation

area = 1.6016 × 10⁵ inches²

160160 is written as 1.6016 × 10⁵ because 1.60160 × 100000 = 1.6016 × 10⁵

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