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4 years ago

WILL MARK BRAINLIST please help! Im stuck

Mathematics

1 answer:

forsale [732]4 years ago

7 0

Answer:

width = 5k²

length = 3k² + 7k + 4

Step-by-step explanation:

(see attached)

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Which ordered pair is a solution to the following:

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Answer:

Option B: Only (-2, 9)

Step-by-step explanation:

Given the linear equation, y = -2x + 5:

We'll plug in the given options to see which of the ordered pairs will satisfy the equation:

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The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). A coach has drawn

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Answer:

Proportion states that the two equal ratios or fractions are equal.

Use conversion:

1 m = 100 cm

As per the statement:

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m

⇒Actual length = 120 m and Actual width = 90 m

It is also given that:

A coach has drawn a scale model of the field on a blackboard. If the longest side of his drawing is 18 cm.

⇒ Drawing length = 18 cm = 0.18 m

By definition of proportion:

$\frac{\text{Actual length}}{\text{Actual width}}=\frac{\text{Drawing length}}{\text{Drawing width}}$

Substitute the given values we have;

$\frac{120}{90}=\frac{0.18}{\text{Drawing width}}$

By cross multiply we have;

$120 \cdot \text{Drawing width} = 90 \cdot 0.18$

Simplify:

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Divide both sides by 120 we get;

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$\text{Drawing width} =13.5$ cm

Therefore, the other side of the drawing width is 13.5 cm

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