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3 years ago

6

A 60 foot ladder is leaned against the side of a building. The bottom of the ladder is 36feet from the building. How high up the

wall does the ladder reach?

1 answer:

Natasha2012 [34]3 years ago

8 0

Answer:

24 feet 60-36=24

Step-by-step explanation:

Let me know if this is right.

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Calculate the highest common factor (HCF) for 64

lord [1]

Answer:

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Step-by-step explanation:

prime factors of 64 is 2 so

2____64

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3 years ago

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Answer:

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Step-by-step explanation:

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What is sketch to show 6 with exponent of 2

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4 years ago

Find the volume of the parallelepiped with adjacent edges t = 3j – 4j – 6k, u = 3i – 7j – 7k and v = 5i + j + 3k.

Assoli18 [71]

Answer:

94 cubic units

Step-by-step explanation:

The volume of this parallelepiped (the product of area of its base and height) is equal to the absolute value of the scalar triple product $|\vec{t}\cdot (\vec{u}\times \vec{v})|$

Since

$\vec{t}=3\vec{i}-4\vec{j}-6\vec{k}=(3,-4,-6)\\ \\\vec{u}=3\vec{i}-7\vec{j}-7\vec{k}=(3,-7,-7)\\ \\\vec{v}=5\vec{i}+\vec{j}+3\vec{k}=(5,1,3)$

we have

$|\vec{t}\cdot (\vec{u}\times \vec{v})|=\left|\left|\begin{array}{ccc}3&-4&-6\\3&-7&-7\\5&1&3\end{array}\right|\right|=|3\cdot (-7)\cdot 3+(-4)\cdot (-7)\cdot 5+3\cdot 1\cdot (-6)-5\cdot (-7)\cdot (-6)-3\cdot (-7)\cdot 1-3\cdot (-4)\cdot 3|=|-63+140-18-210+21+36|=|-94|=94\ un^3.$

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3 years ago

Can someone help i have alot of home work and i need help with some

ozzi

Answer:

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3 years ago