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Nesterboy [21]
4 years ago
14

David assembles 12 circuit boards in 255 minutes. Amy assembles 9 circuit boards in 170 minutes. Who works at a faster rate?

Mathematics
2 answers:
Artyom0805 [142]4 years ago
4 0
I think Amy works at a faster rate.
Marat540 [252]4 years ago
4 0
It would be Amy, because Amy does about 18.8 boards per min and David does about 18.75 boards per min.
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Please help I need an answer ASAP and if you can an explanation
Feliz [49]

Answer:

x = 8 units.

Step-by-step explanation:

We'll begin by calculating the length of the two squares attached to the triangle.

From the question given above, the areas of the two square are the same i.e 32 units². Therefore, the length of the two square will be the same.

Now, we shall determine the length of the square as follow:

Area of square (A) = 32 units²

Length (L) =?

Area of square (A) = Length (L) × Length (L)

A = L × L

A = L²

32 = L²

Take the square root of both side

L = √32 units

Therefore, the length of the square is √32 units. This implies that the length of both side of the triangle is √32 units

Now, we shall determine the value of x using pythagoras theory.

From the diagram above we can see that x is the Hypothenus i.e the longest side. Thus, the value of x can be obtained as follow:

x² = (√32)² + (√32)²

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Take the square root of both side

x = √64

x = 8 units.

Therefore, the value of x is 8 units.

8 0
3 years ago
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