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Serjik [45]
2 years ago
10

A student is using shadows and similar triangles to indirectly measure the height of a building. Which of the following proporti

ons could not be used to accurately find the height?

Mathematics
1 answer:
Darya [45]2 years ago
4 0

Answer:

The first and third choice

Step-by-step explanation:

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Can u guys help me please dont steal or guess ( will give brainiest for proof)
Novay_Z [31]

Answer:

30 feet

Step-by-step explanation:

To find the distance use a trigonometric ratio. Since we are looking for the hypotenuse and we are given the opposite side we will be using the ration of sine. We can set up the equation like this by using x as the measure we are looking for.

Sin of x=Opposite leg/Hypotnuse

Sin of 30= 15/x

Multiply by x and then divide by Sin of 30 to isolate the x.

x=15/Sin of 30

Plug it in to a calculator.

x=30

4 0
3 years ago
Which pair of fractions and mixed numbers have a common denominator of 20?
mariarad [96]

Answer: The answer is the 4th option

Step-by-step explanation: Hope this helps!

6 0
3 years ago
Jim needs to run at least 45 miles this week for training, If he has already run 17 miles, how many miles should he
Neporo4naja [7]

Answer:

7 miles

Step-by-step explanation:

45 - 17 = 28 miles

28 : 4 = 7 miles

8 0
3 years ago
Joe’s favorite basketball team is the Tigers. Joe’s favorite basketball team is in first place right now. What can you conclude?
Arturiano [62]

Answer:

The Tigers are in first place and Joe has a good taste in basketball teams.  I'm not sure if you can conclude anything else from that.

3 0
3 years ago
Solve for x. 3x/2 = 15
defon

3x : 2 = 15

3x = 15 * 2

3x = 30

x = 30 : 3

x = 10

--------------------------------

3(10)  :2 = 15

6 0
3 years ago
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