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kumpel [21]
4 years ago
10

Find the surface area of a square pyramid with base edges of 5 cm and a slant height of 3 cm

Mathematics
1 answer:
andre [41]4 years ago
4 0

Answer:

Step-by-step explanation:

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Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form? 5x + 3y = 18 5x – 3y = 30
ddd [48]
\bf C(\stackrel{x_1}{3}~,~\stackrel{y_1}{-5})\qquad 
D(\stackrel{x_2}{6}~,~\stackrel{y_2}{0})
\\\\\\
slope =  m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{0-(-5)}{6-3}\implies \cfrac{0+5}{6-3}\implies \cfrac{5}{3}
\\\\\\
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-5)=\cfrac{5}{3}(x-3)\implies y+5=\cfrac{5}{3}(x-3)

\bf \stackrel{\textit{multiplying both sides by LCD of 3}}{3(y+5)=3\left[ \cfrac{5}{3}(x-3) \right]}\implies 3y+15=5(x-3)
\\\\\\
3y+15=5x-15\implies -5x+3y=-30\implies \stackrel{\textit{multiplying by -1}}{5x-3y=30}

bearing in mind the standard form uses all integers, and the x-variable cannot have a negative coefficient.
6 0
4 years ago
Read 2 more answers
What is the sum of 1 + 1 = ?
Andrews [41]
The awnswer is 2 yay
3 0
3 years ago
Classify the triangle by its sides and by its angles
VMariaS [17]

Answer:

Scalene obtuse.

Step-by-step explanation:

Scalene means that none of the sides are the same.  You can tell by looking at the triangle that none of the sides are the same.  An obtuse triangle is a triangle with one obtuse angle.  It is a close call between obtuse and right, but I believe that I can definitely say that the angle is a little more than 90 degrees, and is therefore obtuse.

7 0
2 years ago
You drank 50 L of water on Tuesday but only 30 L of water on Wednesday. What is the percent of change
Slav-nsk [51]

Answer:

40% decrease

50=100

30/50=x/100

30=60% of 50

40% decrease of 50 is 30

Step-by-step explanation:

please mark as brainiest

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8 0
3 years ago
What is the x intercept of y=x+3
OleMash [197]
To find the x intercept just substitute your y value for 0 then solve for x.

So you get 0= x+3 and then you get x=-3 which is at (-3,0).
3 0
4 years ago
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