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Basile [38]
2 years ago
14

Twice a number less than twenty is at most ten

Mathematics
2 answers:
murzikaleks [220]2 years ago
7 0
20 > 2x (less than or equal to) 10
maw [93]2 years ago
6 0

Answer:

2x < 20 = 10?

Step-by-step explanation:

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Given that the lines are parallel, what would be the value of angle "a" in the diagram found below?
yawa3891 [41]
Cannot be determined as there isn’t an angle
8 0
3 years ago
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The smiths have two children. The sum of their ages is 23. The produce of their ages is 132. How old are the children?
kolezko [41]

For this case we propose a system of equations:

x: Let the variable representing the age of the first child of the Smiths

y: Let the variable representing the age of the second child of the Smiths

According to the data of the statement we have to:

x + y = 23\\x * y = 132

From the first equation we have to:

x = 23-y

We substitute in the second equation:

(23-y) * y = 132\\23y-y ^ 2 = 132\\y ^ 2-23y + 132 = 0

We find the solutions by factoring:

We look for two numbers that, when multiplied, result in 132 and when added, result in 23. These numbers are 11 and 12.

Thus, we have that the factorized equation is:

(y-11) (y-12) = 0

Thus, the solutions are:y_ {1} = 11\\y_ {2} = 12

So, we can take any of the solutions:

With y = 11

Thenx = 23-11 = 12

Therefore, the ages of the children are 11 and 12 respectively.

Answer:

 The ages of the children are 11 and 12 respectively.

6 0
3 years ago
A square is cut diagonally into two equal parts. If each part has an area of 50 cm^2, then what is the perimeter of each part?
AysviL [449]

Answer:

<u><em>30cm</em></u>

Step-by-step explanation:

Given data

When are square is cut diagonally into two parts

The resulting shape is a triangle

hence the area of the square = 50+50 = 100cm^2

The length of each side of the square = √100= 10cm

likewise the diagonal of the square = 10cm

<u><em>Hence the perimeter of the resulting triangle= 10+10+10= 30cm</em></u>

8 0
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Simplify negative 8 over 3 divided by negative 2 over 6
Art [367]

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Ira Lisetskai [31]

Answer:

x2 +2x−xy when x = 250 and y = −120 ... sic Algebra: Patterns and Equations (13:18)

Step-by-step explanation:

8 0
3 years ago
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