3 years ago

What is the slope of (2,5) and (5,8)

Mathematics

1 answer:

murzikaleks [220]3 years ago

6 0

Answer:

Slope = 1

Step-by-step explanation:

Slope = change in y/change in x

= (8-5)/(5-2)

=3/3

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How tall is a building that casts a 78-ft shadow when the angle of elevation of the sun is 30 degrees?

Marta_Voda [28]

Answer: $45.03\ ft$

Step-by-step explanation:

Given

The length of the shadow is 78 ft

the angle of elevation is $\theta =30^{\circ}$

Suppose the height of the building is $h$

From the figure, we can write

$\tan 30^{\circ}=\dfrac{h}{78}\\\\h=78\tan 30^{\circ}\\\\h=45.03\ ft$

The height of the building is 45.03 ft

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oee [108]

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3 years ago

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What is the equation of the line shown in the graph?

Anvisha [2.4K]

Answer:

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Step-by-step explanation:

I hope this helps...

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3 years ago

(8+7a)+4 simplify pls

Dmitrij [34]

Work:
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The a just gets copied along.
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8+7*a evaluates to 8+7a
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(8+7*a)+4 evaluates to 12+7a

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Step-by-step explanation:

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