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NeX [460]
3 years ago
13

A 25 foot ladder rests against a buliding . The base lf the ladder is 15 feet away from the base of the building. At what height

does the ladder rest on the building (geometry , pythagorean theorem)
Mathematics
1 answer:
professor190 [17]3 years ago
3 0
X^2+15^2=25^2
X^2+225=625
Isolate X
X^2=400
Take the square root on both sides
X=positive and negative 20 but in this case the negative is thrown out because you can't have a negative side
Answer: 20
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Jennifer receives $100 and puts it into her savings account. She adds $0.25 to the account each day for a number of days, d, aft
Alona [7]

This would be A because $100 is the initial amount, and you are adding the amount that arises after (d) days. Since you are adding, it will be the sum. B says product, so you can rule it out. D says difference, so you can rule that out as well. C would be adding the days, not the amount earned each day.

4 0
3 years ago
) How is the Domain for the function f(x) = (x restricted?​
konstantin123 [22]
The function f(x) = (x)? If that is the function, then there is no retriction on the Domain?
6 0
3 years ago
What conic section degenerates into a line?
andrew11 [14]
<h3>Answer: A) parabola</h3>

Some degenerate parabola cases form a single straight line, while other cases form one pair of parallel lines.

A degenerate hyperbola forms two lines that intersect at the vertex of the cone. We can rule out choice B.

A degenerate circle is a single point, so we can rule out choice C.

A degenerate ellipse is also a single point. Any circle is an ellipse (but not the other way around). We can rule out choice D.

5 0
3 years ago
What is 4,234 rounded to the nearest ten thousand?
nirvana33 [79]
4,234 rounded to the nearest ten thousand is jsjdndn
7 0
3 years ago
Can someone please explain?
geniusboy [140]

This is an isosceles triangle. The angles at the base are congruent (they have the same measures).

Look at the picture.

We know: The sum of the measures of angles in a triangle is equal 180°.

Therefore we have the equation:

2x-10+2x-10+3x+25=180       <em>combine like terms</em>

(2x+2x+3x)+(-10-10+25)=180

7x+5=180           <em>subtract 5 from both sides</em>

7x=175              <em>divide both sides by 7</em>

x=25

m\angle A=2x-10\to m\angle A=2(25)-10=50-10=40\\\\m\angle C=m\angle A=40\\\\m\angle B=3x+25\to m\angle B=3(25)+25=75+25=100^o

<h3>Answer: D. m∠C = 40</h3>

6 0
2 years ago
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