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svetoff [14.1K]
3 years ago
15

Find the area of a triangle whose base is 5cm and whose height is 12cm.

Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0
By definition, the area of the triangle is given by:
 A = (1/2) * (b) * (h)

 Where,
 b: base
 h: height
 Substituting values we have:
 A = (1/2) * (5) * (12)

 A = 30 cm ^ 2
 Answer:
 T
he area of a triangle whose base is 5cm and whose height is 12cm is:
 
A = 30 cm ^ 2
Elina [12.6K]3 years ago
3 0
A=30. The formula to find the area of a triangle is. 1/2(base x height)
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Pls help me!!! I'm timed
Aleonysh [2.5K]
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So the range of the function would be the Y values given.

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3 0
3 years ago
Y is directly proportional to x,and y=216 when x=2. Find y when x=7.
makkiz [27]
\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
108=k\qquad therefore\qquad \boxed{y=108x}
\\\\\\
\textit{when x = 7, what is \underline{y}?}\qquad y=108(7)
6 0
3 years ago
What is the opposite of - 4
lawyer [7]

Answer:

4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Rewrite the function in standard form.<br> f(x)= 3(x + 5)2 - 7
Anna007 [38]
Answer: F= 29
Explanation: first use distributive property and multiplied by three with the parentheses. And then multiply to by what you just solved. Remember to keep writing everything that we haven’t used yet. Then divide both the left side and the 6X by X. Then subtract 30 by 7. And add six. I hope this helped
3 0
2 years ago
34=−2t can u help me
lys-0071 [83]
34 = -2t....divide both sides by -2
(-34/2) = (-2/-2)t
- 17 = 1t, or just t

so ur answer is : t = -17
3 0
3 years ago
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