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Ira Lisetskai [31]
2 years ago
10

A worker makes a ramp by placing one end of an 8-foot-long board on the bed of a pickup truck and the other end on the ground. T

he bed of the truck is 3 feet above
the ground. Which expression could be used to determine the angle between the board and the ground?
Mathematics
1 answer:
Hatshy [7]2 years ago
7 0

Answer:

sory dont know

Step-by-step explanation:

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What is the product of z1 and z2 if
MaRussiya [10]

Answer:

308[cos(45) + isin(45)]

Step-by-step explanation:

z1×z2:

Modulus: r1 × r2

= 7×44 = 308

Argument: theta1 + theta2

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z1z2 = 308[cos(45) + isin(45)]

Or

z1z2 = 154sqrt(2) + (i)154sqrt(2)

sqrt: square root

8 0
3 years ago
Nicholas has a collection of books. He has 115 fantasy and science fiction books. These books are 46% of his collection. How man
Anit [1.1K]

Given that Nicholas has a 115 fantasy and science fiction books which is 46% of his collection.

Now we have to find what is total number of books in his collection.

Let number of books in Nicholas collection = x

then number of fantasy and science fiction books = 46% of x = 0.46x


We already know that he has 115 fantasy and science fiction books, so both values will be equal and give equation:

0.46x=115

now we can solve this equation to find the answer.

x=\frac{115}{0.46}

x= 250

Hence final answer is:

Nicholas has 250 books in his collection.

6 0
3 years ago
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denis-greek [22]

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C im pretty sure

Step-by-step explanation:

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Help!<br> Change 2/5<br> to a percent.
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40%

Step-by-step explanation:

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