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Arturiano [62]
3 years ago
12

What is the value of n?

Mathematics
1 answer:
melamori03 [73]3 years ago
6 0
The answer for this question that needs an answer is n = 5

because 18(n-1) = 9(n+7) implies that 18n - 18 = 9n + 63 which implies that n =5 for the equation to hold true.
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Each side of a regular pentagon is m+10 inches. The formula for finding the perimeter of the pentagon is shown below.
stiv31 [10]

Answer:

5m+50

Step-by-step explanation:

since it's regular all sides are equal

it's have 5 sides of m+10

P=5(m+10)\\\\P=5m+50

5 0
3 years ago
The graph below shows the velocity f(t) of a runner during a certain time interval
Levart [38]
The last answer...
At time 0, the velocity is 6. 
When the velocity is 0, the time is 8
8 0
3 years ago
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What is the anwser to 500+12344356= and why
olchik [2.2K]
12344856 is the answer cuss 12344356 + 500 is that or because 500 is in the hundreds place and all you need to change is the place in the original number so 300+500 is 800
4 0
3 years ago
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Write the percent as a decimal.
Alinara [238K]

Answer:

12% = 0.12

Percent means 'per 100'. So, 12% means 12 per 100 or simply 12/100. If you divide 12 by 100, you'll get 0.12

6 0
3 years ago
In the equilateral triangle XYZ, X is located at (-5, -9) and Z is located at (1, -17). What is the perimeter of Triangle XYZ? a
mario62 [17]

Answer:

Option a. 30 units

Step-by-step explanation:

we know that

An equilateral triangle has three equal sides

so

XY=YZ=XZ

The perimeter of triangle XYZ is equal to

P=XY+YZ+XZ

P=3XZ

<u><em>Find the distance XZ</em></u>

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

X is located at (-5, -9) and Z is located at (1, -17)

substitute the values in the formula

XZ=\sqrt{(-17+9)^{2}+(1+5)^{2}}

XZ=\sqrt{(-8)^{2}+(6)^{2}}

XZ=\sqrt{100}

XZ=10\ units

Find the perimeter

P=3(10)=30\ units

3 0
3 years ago
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