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Cloud [144]
3 years ago
5

Use the given information to find the lengths of the other two sides of the right triangle if side a is opposite angle A, side b

is opposite angle B, and side c is the hypotenuse.
cos(B) = 4/5, a = 8
Mathematics
1 answer:
sveta [45]3 years ago
4 0

SOH CAH TOA tells you

... cos(B) = a/c

... 4/5 = 8/c

... c = 10 . . . . . multiply by 5c/4

By the Pythagorean theorem,

... b = √c² -a²) = √(10² -8²) = √36 = 6

The lengths of the other two sides are: b = 6, c = 10.

_____

You can tell from the value of the cosine that this is a 3-4-5 right triangle. You can tell from the value of "a" that the scale factor is 2. That means the other two sides are 6 and 10.

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A

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If a inequality has a closed dot what does it mean in terms of possible solutions
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This means the dot IS a part of the solution.

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A closed dot means it is included, but an open dot means it is not included.

7 0
3 years ago
a car dealership sells 48 cars of the same model in one month. the average price of each car is $25,000 with a maximum variance
Umnica [9.8K]

Answer:

Range= $144,000

Step-by-step explanation:

The least amount for each car is 22,000 and the highest is 25,000

so assuming the dealer sells all of them the lowest price, the revenue would be, $1,056,000 (that would be the lowest revenue) and assuming he sells all the cars at the highest price, the dealer will get a revenue of $1,200,000. So the lowest revenue is 1,056,000 and the highest revenue is 1,200,000. So to find the range subtract the highest revenue by the lowest and you’ll get $144,000.

7 0
3 years ago
If 8 pizzas cost $72,how much will 15 pizzas cost
Lelu [443]

Answer: $135

Explanation: To find how much 15 pizzas will cost, first we have to find out how much just one pizza will cost. To do this, you have to divide both the number of pizzas (8) and also the price for those 8 pizzas ($72) by the number of pizzas (8 again). When you do this you get the price of one pizza. Then you multiply the price of one pizza by the amount of pizzas you actually need to find the value for (15). This is a lot to explain but don't lose hope! Let me show you step by step and it'll make more sense.

Step 1) Divide both the amount of pizzas and the cost of that many pizzas

8 ÷ 8 = 1

72 ÷ 8 = 9

This means that one pizza costs 9 dollars.

Step 2) Multiply the cost of one pizza by 15 (the amt of pizzas you need to find the cost for)

15 × 9 = 135

135 is the cost for 15 pizzas. I hope this helps you!

6 0
2 years ago
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I need the anwer fast pls HELP
Elis [28]

The median is the middle number in a sorted, ascending or descending, list of numbers.

0, 0, 1, 1, 1.5, 1.5, 1.5, 1.5, 2, 2, 2, 2, 2.5, 2.5, 3, 3, 3, 3, 3, 3.5, 3.5, 4, 4, 4, 4.5,

Therefore, the median would be 2.5 hours.

6 0
3 years ago
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