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2 years ago

Given cos A = .25 find angle A in degrees. Round your answer to the nearest hundredth.

Mathematics

1 answer:

Oksana_A [137]2 years ago

8 0

For this you need to use the reverse cosine function
Cos^-1 (.25)
75.6

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Can you solve: 6/5=n+2/2n-3

OverLord2011 [107]

solving $\frac{6}{5}=\frac{n+2}{2n-3}$ we get value of n: $n=4$

Step-by-step explanation:

Solving the expression:

$\frac{6}{5}=\frac{n+2}{2n-3}$

Solving:

$\frac{6}{5}=\frac{n+2}{2n-3}\\Cross\,\,multiply:\\6(2n-3)=5(n+2)\\Simplifying:\\12n-18=5n+10\\Combining\,\,like\,\,terms:\\12n-5n=10+18\\7n=28\\n=\frac{28}{7}\\n=4$

So, solving $\frac{6}{5}=\frac{n+2}{2n-3}$ we get value of n: $n=4$

Keywords: Solving Expressions

Learn more about Solving Expressions at:

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2 years ago

In one month, the median home price in the West fell from $203,400 to $192,300. Find the percent decrease.

nasty-shy [4]

Answer:

94.5%

Step-by-step explanation:

Percent decrease can be represented as

[original price] * percentage = [new price]

When trying to find the percentage, you can manipulate the equation by dividing both sides by the original price to get:

percentage = [new price] / [original price]

In this case, this is represented by 192300/203400, or 94.5%

4 0

2 years ago

What is the difference between −5x+7 and 3x−2?

julia-pushkina [17]

Answer:

-5x+7-(3x-2)

=-5x+7-3x+2

=-8x+9

Step-by-step explanation:

3 0

2 years ago

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Pls help me on number 2 I will mark brainliest

viktelen [127]

Answer:

Step-by-step explanation:

7 0

2 years ago

Suzanne in Barry each by four equals sized bagels. They divide the bagels equally among themselves and three other friends. How

grandymaker [24]

Number of people = 5 (Suzanne, Barry, and 3 friends)
Number of bagels = 4

4 bagels divided between 5 people is 4/5.

6 0

2 years ago

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