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AysviL [449]
2 years ago
12

The base of a 15-foot ladder is 6 feet from a building. If the ladder reaches the flat roof, how tall is the building?

Mathematics
1 answer:
Vlad [161]2 years ago
6 0

Answer:

the answer would be 13.75 feet

Step-by-step explanation:

The computation of the tall is the building as follows:

Given that

Base is 6 foot

And, the hypotheses is 15 feet

Here we use the Pythagoras theorem

= √15^2 - √6^2

= √225 - √36

= √189

= 13.75 feet

Hence the answer would be 13.75 feet

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NeX [460]

Substitute 4 for y. Then -3x^2 + 16 = 52.

Solve for x. Subtract 16 from both sides, obtaining -3x^2 = 36.

Divide both sides by -3, obtaining x^2 = -12. This last result makes no sense, as no square of a real number could be negative. Probably this is where you're ":getting a negative answer."

If imaginary answers were allowed, then x = i*√12 = i*2√3 or x = -i*2√3.


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8 0
3 years ago
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PLEASE HELP ME <br> I don’t know how to solve this one please give me a good explanation
forsale [732]
You have to use the distributive property, therefore you get 2x+13/3.

The next step is to do 2 x 5 because they gave us a number for the variable x. Then you have to do 2 x 13 which gives us 26.

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1 year ago
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Which of the following mean the same as x-intercept?
aleksklad [387]

Answer:

(A), (D), and (E)

Step-by-step explanation:

In a quadratic function, the solutions are always on the x-axis, which means that it can be another word for x-intercept. Also, a zero and a root are the same thing, and they are both x-intercepts. Hope this helps!

8 0
2 years ago
What is the solution to the system of equations? y = x +2 y = 3x -2
Mrrafil [7]

Answer:

x=2 and y= 4

Step-by-step explanation:

y = x +2 ----------(i)

y = 3x -2--------(ii)

Now, comparing (i) and (ii)

x+2= 3x-2

=>x-3x = -2-2

=>-2x= -4

=>2x= 4

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From eq (i)

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7 0
3 years ago
How many different student body governments are possible if there are 7 seniors, 3 juniors, and 4 sophomores running for the stu
ArbitrLikvidat [17]

There are 84 possible student body governments

<h3>The number of student body governments</h3>

The given parameters are:

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n = Senior * Junior * Sophomore

This gives

n = 7 * 3 * 4

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n = 84

Hence, there are 84 possible student body governments

Read more about combination at:

brainly.com/question/11732255

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