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Mkey [24]
3 years ago
8

I NEED HELP PLEASEEeeeeee

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0
X=18

Explanation:

The sum of the 3 angles in a triangle is 180∘

hence , the sum of the 3 angles given must equal 180

We can form an equation

2x + 3x + 5x = 180 ⇒10x=180⇒x=180/10
x=18


2(x) = 2(18)=36
3(18)=54
5(18)=90
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3 years ago
The width of a rectangle is 7x - 6 feet and the length is 3x + 7 feet. Find the perimeter of the rectangle.
aliina [53]

Answer:

P= 20x+2 ft

Step-by-step explanation:

________

I                I

I                I       3x + 7ft

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3 years ago
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4 0
4 years ago
What is the result of −18⋅16 2/3? Enter the result as an improper fraction and as a mixed number.
dlinn [17]
Let's firstly convert the mixed fraction to "improper" and then proceed,

\bf \stackrel{mixed}{16\frac{2}{3}}\implies \cfrac{16\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{50}{3}}\\\\
-------------------------------\\\\
-18\cdot \cfrac{50}{3}\implies \cfrac{-18\cdot 50}{3}\implies \cfrac{-18}{3}\cdot 50\implies -6\cdot 50\implies -300
\\\\\\
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8 0
3 years ago
The drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup f
Helga [31]

The cost of each t-shirt is <u>$7</u>, using the equation formed from the given conditions.

In the question, we are given that the drama club is printing t-shirts for its members. The printing company charges a certain amount for each shirt plus a setup fee of $40.

We are aske to find the cost of each t-shirt if there are 21 students in the club and the t-shirt order costs a total of $187.

We assume the cost of one t-shirt to be $x.

Thus, the cost of printing 21 t-shirts = $21x.

The setup fee is given to be $40.

Thus, the total cost of printing 21 t-shirts for the dram club = $21x + 40.

But, we are given that the total cost is $187.

Thus, we get an equation,

21x + 40 = 187.

This equation can be solved as follows:

21x + 40 = 187,

or, 21x = 187 - 40,

or, 21x = 147,

or, x = 147/21,

or, x = 7.

Thus, the cost of each t-shirt is <u>$7</u>, using the equation formed from the given conditions.

Learn more about equations at

brainly.com/question/17473531

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7 0
2 years ago
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