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labwork [276]
4 years ago
8

Please help me find the perimeter of this triangle please

Mathematics
1 answer:
Hatshy [7]4 years ago
8 0
\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
C&({{ 1}}\quad ,&{{ 9}})\quad 
%  (c,d)
B&({{ 7}}\quad ,&{{ 1}})
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
CB=\sqrt{(7-1)^2+(1-9)^2}\implies CB=\sqrt{6^2+(-8)^2}
\\\\\\
CB=\sqrt{36+64}\implies CB=\sqrt{100}\implies CB=10

add the sides with 8 and 6 to it, and that's the perimeter.
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Tonya is staring a jewelry business. She is going to sell b bracelets for $12.50 each and n necklaces for $22.50. Tonya wants to
marysya [2.9K]

Answer:

C 12.50b+22.50n≥800

Step-by-step explanation:

Tonya is staring a jewelry business. She is going to sell b bracelets for $12.50 each and n necklaces for $22.50. Tonya wants to make at least $800 a month.

When we use the word at least in Mathematics is means that it is equal to or more than $800.

It is represented by the symbol ≥

Number of bracelets = b

Number of necklaces = n

Therefore, the inequality below models this situation is given as:

$12.50 × b + $22.50 × n ≥ $800

= 12.50b + 22.50n ≥ 800

Option C is correct.

3 0
3 years ago
a sandwich shop has a "build your own" sandwich on its menu. for this option, a roll costs $0.75 and turkey costs $1.75 a pound.
Zolol [24]

For this case, the first thing we must do is define a variable.

We have then:

x: number of pounds of turkey

We write now the inequality that models the problem.

We know that:

1) a roll costs $ 0.75 and turkey costs $ 1.75 a pound

2) The sandwich costs up to $ 6.00

Therefore, the inequality is given by:

1.75x + 0.75 \leq 6

Clearing the value of x we have:

1.75x \leq 6-0.75

1.75x \leq 5.25

x \leq \frac{5.25}{1.75}

x \leq 3

Answer:

An inequality that shows how much turkey can be ordered on a roll for a sandwich to cost up to $ 6.00 is:

x \leq 3

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3 years ago
Which is the best estimate of watch percent?
Fittoniya [83]
The answer is C, I hope this helps
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3 years ago
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astraxan [27]

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Four women must cross a bridge over a deep ravine in enemy territory in the middle of the night, treacherous bridge will hold on
Galina-37 [17]
Ok, this is usually a trial and error question and it is supposed to be fun.
I believe you want the four women to cross the bridge in the least possible time before the bridge collapses.

The solution is as follows:
<span>1- The 5-minute lady and 10-minute lady cross the bridge
    (the total time will be 10 minutes)
</span>2- <span>The 5-minute lady returns
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3- </span><span>The 20-minute lady and 25-minute lady cross
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The last one to cross should step aside from the bridge as quickly as possible before the bridge collapses.</span>
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