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larisa86 [58]
1 year ago
7

Watch help video If you place a 13-foot ladder against the top of a 12-foot building, how many feet will the bottom of the ladde

r be from the bottom of the building? feet Submit Answer Answer: Type here to search O
Mathematics
1 answer:
riadik2000 [5.3K]1 year ago
6 0
\begin{gathered} X\text{ will represent the bottom of the ladder fom the bottom of the building} \\ U\text{sing pythagoras Theorem} \\ (Hyp)^2=(opp)^2+(Adj)^2 \\ 13^2=x^2+12^2 \\ 169=x^2\text{ +144} \\ 169-144=x^2 \\ 25=x^2 \\ x^2\text{ = 25} \\ x\text{ = }\sqrt[]{25} \\ x\text{ = 5foot} \end{gathered}

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Graphing a line given it’s equation in standard form
S_A_V [24]

You'd first change the equation to slope-intercept form.

For example:

-2x + y = 6

You'd add 2x to both sides -

-2x + y + <u>2x</u> = 6 + <u>2x </u>

y = 2x + 6

So you'd graph y = 2x + 6

___

Hope this helped!

4 0
3 years ago
IS THIS CORRECT!!!????
yanalaym [24]
So if it has to be simplified, there is only one answer if all of it is positive but it has a solution to do with minus numbers which is -2 (-x-2)
8 0
3 years ago
5 rate?? my brother doesn't want to helpx me someone help?]'
Luden [163]

Answer:

-5/2 is the reciprocal of -2/5, but the opposite would just be 5/2.

Step-by-step explanation:

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2 years ago
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Which property justifies the step shown in solving this equation -y-5=11
bulgar [2K]

Answer:

y-5=11

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I believe that y=16 cannot be simplified so y=16 should be the answer let me know if it helped.


8 0
3 years ago
find the area of this circle. Use 3.14 as (pie symbol) click the photo to see the circle ! Please help &lt;3 if you can’t see, t
igor_vitrenko [27]

Answer:

\displaystyle 4536,4597918...\:cm.^2 = A

Step-by-step explanation:

Split the diametre in half before proceeding:

\displaystyle \pi{r}^2 = A \\ \\ 38^2\pi = A \hookrightarrow 1444\pi = A \\ \\ \boxed{4536,4597918... = A}

I am joyous to assist you at any time.

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