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kvasek [131]
2 years ago
15

Find the missing side of the triangle. Solve for X

Mathematics
1 answer:
mr Goodwill [35]2 years ago
8 0

Answer:

11.18 or 11 yards

Step-by-step explanation:

15² - 10² = x²

225 - 100 = x

225 - 100 = 125

√125 = 11.180339887498948482045868343656

11.180339887498948482045868343656 rounded to the nearest hundredth is 11.18; to the nearest tenth is 11.2; and to the nearest one is 11.

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Find the equation of a parabola that has a vertex of (-3,2) and contains the point (4,7)
MatroZZZ [7]

\bf ~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill

\bf \stackrel{vertex}{(-3~~,~~2)}~~ \begin{cases} h = -3\\ k = 2 \end{cases}\implies y=a[x-(-3)]^2+2\implies y =a(x+3)^2+2 \\\\\\ \stackrel{\textit{passes through}}{(4~~,~~7)}~~ \begin{cases} x = 4\\ y = 7 \end{cases}\implies 7 = a(4+3)^2+2\implies 7 = 49a+2 \\\\\\ 5=49a\implies \cfrac{5}{49}=a~\hfill \boxed{y = \cfrac{5}{49}(x+3)^2+2}

8 0
3 years ago
Please help me solve this
vekshin1

Answer:

Option C

Step-by-step explanation:

Since it's draining, it means it must start at a certain value and end at a maximum of 0 since water cannot ever be less than 0. Since it's original amount is 40, it can only start draining from 40 and end at max 0 hence 0 ≤ y ≤ 40

Topic: inequalities

If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!

5 0
2 years ago
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Estimate the sum of 1/8 + 1/4
Alex17521 [72]
1/8+1/4=1/8+2/8=3/8
About 0.4 because 4•8=32~30
7 0
3 years ago
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Can someone please help me I'm not very good at calculating slope for some reason no matter how hard I try and this equation I'v
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Answer:

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Step-by-step explanation:

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2 years ago
7). Tim has 9 chocolate chip cookies and 18 peanut butter cookies. He
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Answer:

2 groups

Step-by-step explanation:

  1. 18 ÷ 9 = 2 groups

I hope this helps!

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2 years ago
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