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NeX [460]
3 years ago
15

There are only red counters and blue counters in a bag

Mathematics
1 answer:
tamaranim1 [39]3 years ago
5 0

Answer:

Red\ Fraction = \frac{5}{12}

Step-by-step explanation:

Given

Red:Blue = 5 : 7

Required

Determine the fraction of red

To do this, we make use of:

Red\ Fraction = \frac{Red}{Red + Blue}

This gives:

Red\ Fraction = \frac{5}{5+7}

Red\ Fraction = \frac{5}{12}

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A system of equations is given below:
My name is Ann [436]
Solving by substitution:

y = 4x - 3 

2x + 7y = 41

Let us substitute the first equation y = 4x - 3  into the second.

2x + 7y = 41

2x + 7(y = 4x -3) = 41

2x + 7(4x -3) = 41

So that's the third option.

I hope this helps.
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What is the final amount if 784 is decreased by 1% followed by a 4% increase?
Ilya [14]

Answer:

3136

Step-by-step explanation:

Thats the answer please I don't have time to write the explanation

5 0
3 years ago
If a and b are rational numbers and 6/(3√2-2√3 ) = a √2-b √3 , then find the values of a and b.
eduard

Answer:

=3–√−13–√+1⋅3–√−13–√−1

=(3–√−1)23–√2−12

=3–√2+12−23–√3−1

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Step-by-step explanation:

6 0
3 years ago
96 sq meters
Vsevolod [243]

Answer:

84 sq meters

Step-by-step explanation:

1. Approach

In order to solve this problem, one will have to divide the figure up into simple shapes. A picture is attached showing how the shape is divided up for this answer. Find the area of each region, then add up the results to find the total area.

2. Area of Region 1

As one can see, the length of (Region 1), as given is (6), the width is (3). To find the area multiply the length by the width.

Length * width

6 * 3

= 18

3. Area of Region 2

In (Region 2), the length is given, (12). However, one must find the width, this would be the size of the total side, minus the width of (Region 1). Multiply the length by the side to find the area.

Length * width

= 12 * (8 - 3)

= 12 * 5

= 60

4. Area of Region 3

In (Region 3), the length of the figure is (2), the width is (3). To find the area, multiply the length by the width.

Length * width

= 2 * 3

= 6

5. Total area

Now add up the area of each region to find the total rea,

(Region 1) + (Region 2) + ( Region 3)

= 18 + 60 + 6

= 84

7 0
3 years ago
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