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Andreas93 [3]
3 years ago
7

Can someone help me solve this because i don't know how my teacher expects us to solve this

Mathematics
1 answer:
liraira [26]3 years ago
5 0

Answer:

Step-by-step explanation:

The minimum possible value of  

x + y + z =61

Explanation:

Note that any two of  

3 ,  4  and  7  have no common factor greater than  1 .  

Hence the smallest positive integer values of  

x ,  y ,  z  correspond to:

3 x = 4 y = 7 z = 3 ⋅ 4 ⋅ 7 = 84

=x = 28 y = 21z = 12

So:

x + y + z = 28 + 21 = 12 =61

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Area Trapezoid = (b1 + b2) * h / 2
b1 = 8
b2 = 12
h = 5
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Area Trapezoid = 20 * 5/2
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miv72 [106K]

Answer:

The answers are below

Step-by-step explanation:

The greater sign is > and the less then symbol is <

Using the red arrows on the number line, you can tell which one is bigger or less. The dot is colored in so it has to have a line under it. So for the first one (top, left), The red arrow is pointing to the right side meaning x is bigger than 3. Therefore x ≥ 3.

In the next one (top, right) the arrow is pointing to the negative side so that one must be less than 3. The dot is also colored in meaning it is: x ≤ 3

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Last one (bottom right) the arrow is pointing left, dot is white meaning that the answer is x < 3

If you're wondering what the open dots and closed dots mean:

An open dot is used to show that the ray's endpoint is not a component of the solution when the inequality is "strict" ( < or >).

A closed dot is used to denote that the endpoint is a component of the solution for the other types of inequalities (≥ and ≤ ).

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Answer:

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Step-by-step explanation:

x = 0.6x + 384

Subtract 0.6x from both sides.

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x = 960

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Answer:6.1638 7.69 8.18.04

Step-by-step explanation:

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