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Natali [406]
3 years ago
11

A rational number equivalent to 5/7 is​

Mathematics
2 answers:
Tju [1.3M]3 years ago
6 0

5/7 is 5÷7

so

5÷7 = 0.7142857143

aleksandrvk [35]3 years ago
4 0
Let’s talk about the meaning Fractions: when you have a fraction it means to divide. So, When you have 5/7 you divide 5 and 7 because Fractions mean division.

5/7 = 0.71428571428 (Decimal NOT rounded)
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the length of a rectangular building is 6 feet less than 3 times t he width. The perimeter is 120 feet. Find the width and the l
garri49 [273]
Call the width x.  Note that the length is 3x-6.  We know that double the width plus double the length is 120, so we write an equation:

2(x)+2(3x-6)=120
2x+6x-12=120
8x-12=120
8x=132
x=16.5
If x is 16.5, the width is 16.5, and the length is 3 \cdot 16.5 - 6 = 43.5.
5 0
3 years ago
An equation with no solutions<br> 3x + 7 = X + 3
max2010maxim [7]

Answer:

X = -2

Step-by-step explanation:

Hope this helps

7 0
3 years ago
Triangle MNO is an equilateral triangle with sides measuring units. What is the height of the triangle? a) 12 units b) 24 units
Alecsey [184]

Answer:

The height of the equilateral triangle is 24 units

Step-by-step explanation:

In the question above, the unit of the side of the equilateral triangle is not given. If the complete question is:

Triangle MNO is an equilateral triangle with sides measuring 16 square root of 3 units, then the length of each side is 16√3 units.

To find the height of the triangle, we use Pythagoras theorem

MP^2 + PO^2 = MO^2

Let MP^2 be x

x^2 + {(16√3)/2}^2 = (16√3)^2

X^2 + (256*3)/4 = 256*3

4x^2 + 768 = 768* 4

4x^2 + 768 = 3072

4x^2 = 3072-768

4x^2 = 2304

X^2 = 2304/4

X^2 = 576

x= √576

x = 24 units

4 0
4 years ago
Read 2 more answers
Translate question into an equation, let x be unknown number 6.4 is 90% of what number?
lisov135 [29]
1 \% = \frac{1}{100}\\ \\90 \% * x =6.4  \\ \\\frac{90}{100}x=6.4  \\ \\\frac{9 }{10 }x=6.4 \ \ *(\frac{10}{9})\\ \\x= 6.4 *\frac{10}{9}\\ \\x=\frac{64}{9}\\ \\x = 7\frac{1}{9}
8 0
3 years ago
Read 2 more answers
The nth term of a different sequence is 2n + 5<br> (b) Work out the 6th term of this sequence.
eimsori [14]

Answer:

17

Step-by-step explanation:

nth term is 2n + 5

so for 6th term n = 6

= 2*6 + 5

= 17

7 0
3 years ago
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