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RUDIKE [14]
3 years ago
9

Find the area of a triangle with height 5m and base 13m.

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0

Answer:

area of rectangle = 1/2bh

= 1/2*13*5

= 32.5

Tems11 [23]3 years ago
6 0

Answer:

32.5 m

Step-by-step explanation:

A=Bh/2

A=13x5/2

A=65/2

A=32.5

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Firdavs [7]
The answer is 129.13 is your answer. Remember, t<span>he perimeter of the base is 4s since it is a square. There is no formula for a </span>surface area<span> of a non-regular </span>pyramid<span> since slant height is not defined. To </span>find<span> the </span>area<span>, </span>find<span> the </span>area<span> of each face and the </span>area<span> of the base and add them.</span>
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3 years ago
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3 + x over 2 = 5<br> please help? two step equations
elena-14-01-66 [18.8K]
I think But I'm not 100% sure yet it's a guess

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If f(x) = 3X + 10x and g(x) = 4x - 2, find (f+g)(x).
Andrews [41]
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3 years ago
In a certain function, y varies directly with x. If y = 6 when x = 8, find x when y = 9.
Hatshy [7]

If y = 6 when x = 8, then value of "x" when y = 9 is equal to 12

<u>Solution:</u>

Given that , In a certain function, y varies directly with x

And x = 8 when y = 6,

We have to find what will be the value of x when y = 9

Now, from the given information,

\begin{array}{l}{y \alpha x} \\\\ {y=c x \rightarrow(1)}\end{array}

where c is the proportionality constant

\begin{array}{l}{\text { Now, substitute } x=8 \text { and } y=6 \text { in }(1)} \\\\ {\rightarrow 8=c(6) \rightarrow c=\frac{8}{6}} \\\\ {\rightarrow c=\frac{4}{3}} \\\\ {\text { Then, }(1) \rightarrow x=\frac{4}{3} y} \\\\ {\text { So, when } y=9} \\\\ {\rightarrow x=\frac{4}{3}(9)} \\\\ {\rightarrow x=4 \times 3} \\\\ {\rightarrow x=12}\end{array}

Hence, x value is 12 when y value is 9

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3 years ago
50 points hdhfskjdhsddjjdhj
NikAS [45]

Thank you very much UwU

8 0
3 years ago
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