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sattari [20]
3 years ago
13

A bag contains 3 red and 2 blue counters. A counter is picked at

Mathematics
1 answer:
vichka [17]3 years ago
7 0

Answer:

24.

Step-by-step explanation:

The fraction of red counters in the bag = 3/5.

So you'd expect 3/5 * 40

= 120/5

= 24.

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Tracy needs to find the length and width of the equipment room where she works. The room is 2 meters longer than it is wide. The
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Answer:

The answer to your question is: width = 3 meters

Step-by-step explanation:

Data

Perimeter = 16 meters

The room is 2 meters longer than its width, then   length = width + 2

Perimeter = 2 length + 2 width

   16 =  2(width + 2) + 2 width

    16 = 2 width + 4 + 2 width

   16 = 4 width +4

   16 - 4 = 4 width

    12 = 4 width

    12/4 = width

     3 = width  

length = 3 + 2 = 5 meters

8 0
3 years ago
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Mnenie [13.5K]

Answer:

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Step-by-step explanation:

Given

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Each term in the second factor is multiplied by each term in the first factor, that is

= 3x²(2x² + 3x - 1) - 2x(2x² + 3x - 1) ← distribute both parenthesis

= 6x^{4} + 9x³ - 3x² - 4x³ - 6x² + 2x ← collect like terms

= 6x^{4} + 5x³ - 9x² + 2x

4 0
3 years ago
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Andrew borrowed $700 from the bank to start a pressure washing business. The bank charged a simple interest rate of 7% per year.
Ede4ka [16]

Answer:

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Step-by-step explanation:

<u>Given:</u>

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<u>Interest amount:</u>

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