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stepan [7]
3 years ago
5

Help pleaseeeeee ????

Mathematics
1 answer:
WARRIOR [948]3 years ago
3 0
1) B
2) C
3) I think all of them equal 8
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El ancho de un jardìn de forna rectangular mide 40m y su diagonal 60m ¿Cuàl de las siguientes opciones nos indica la medida del
Black_prince [1.1K]

Answer:

La longitud del jardín es l \approx 44.72\,m. (Opción A) (The length of the garden is l \approx 44.72\,m) (Option A)

Step-by-step explanation:

El largo del jardín se calcula por el Teorema de Pitágoras (The length of the garden is now calculed by the Pythagorean Theorem):

l = \sqrt{(60\,m)^{2}-(40\,m)^{2}}

l \approx 44.72\,m

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Sam and his friends had​ take-out spaghetti and meatballs for dinner. The tax was​ $3. The tax rate is​ 7.5%. What was the price
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$40 is the correct answer

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A bus company has contracted with a local high school to carry 450 students on a field trip. The company has 18 large buses whic
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You need to times the first two numbers together and then times the answers with the other number and at the end divide them and this is ur answer, i have a test right now so i cant really do it for you so get a notebook and paper and try to solve it

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Find the sum of 0.482 and 482.3152​
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482.7972

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"Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an acute triangle.
Contact [7]
A, b, c - the lengths of the sides of the triangle
and a ≤ b ≤ c
then:
a + b > c and if the triangle is an acute triangle then a² + b² > c².

1^o\\5\leq10\leq x\\\\\left\{\begin{array}{ccc}5+10 \ \textgreater \  x\\5^2+10^2 \ \textgreater \  x^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \  15\\ x^2 \ \textless \  125\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \  15\\ x \ \textless \  \sqrt{125}\approx11.1\end{array}\right\\\\\boxed{x=11}\\\\2^o\\5\leq x\leq10\\\\\left\{\begin{array}{ccc}5+x \ \textgreater \  10\\ 5^2+x^2 \ \textgreater \  10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \  5\\ x^2 \ \textgreater \  75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \  5\\ x \ \textgreater \  \sqrt{75}\approx8.7\end{array}\right\\\boxed{x=9}

3^o\\x\leq5\leq10\\\\\left\{\begin{array}{ccc}x +5 \ \textgreater \  10\\ x^2+5^2 \ \textgreater \  10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x^2 \ \textgreater \ 75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x \ \textgreater \ \sqrt{75}\approx8.7\end{array}\right\\\boxed{x\in\O}\\\\Answer:\boxed{x=9\ or\ x=11}\to your\ answer:\boxed{\boxed{x=11}}
8 0
3 years ago
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