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NikAS [45]
3 years ago
14

The second term in a geometric sequence is 50. The fourth term in the same sequence is 112.5 . What is the common ration in this

sequence
Mathematics
1 answer:
ale4655 [162]3 years ago
7 0
Let the common ratio be r.
then 
a2*r*r=a4
rearrange,
r^2=a4/a2=112.5/50=2.25
r=sqrt(2.25)=1.5 = common ratio
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The two lines graphed below are parallel. How many solutions are there to the system of equations?
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6 0
3 years ago
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The bar diagram represents 24 hours in one day and shows a mark at 30%. If you sleep 30% of the day, how many hours do you sleep
Sedbober [7]
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4 0
3 years ago
Progress
irina [24]

An expression represents the perimeter, in centimeters, of this triangle is 6q + 8r - 5s.

<u>Given the following data:</u>

  • a = (q + r) centimeters.
  • b = (5q - 10s) centimeters.
  • c = (5s + 7r) centimeters.

<h3>What is a triangle?</h3>

A triangle can be defined as a two-dimensional geometric shape that comprises three (3) sides, three (3) vertices and three (3) angles only.

<h3>How to calculate the perimeter of a triangle?</h3>

Mathematically, the perimeter of a triangle can be calculated by using this formula:

P = a + b + c

<u>Where:</u>

a, b, and c are length of sides.

Substituting the given parameters into the formula, we have;

P = q + r + 5q - 10s + 5s + 7r

P = 6q + 8r - 5s centimeters.

Read more on perimeter of triangle here: brainly.com/question/27109587

#SPJ1

7 0
1 year ago
sammys mother is 2 years more than 3 times as old as sammy. their combinied age is 42. how old are sammys mother and sammy
kozerog [31]
Sammy's mother is 32 and Sammy is 10.
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3 years ago
Slope of (-2,-3) and (6,2)
alexira [117]
\frac{5}{8} is the slope between these two points. 

To figure out the slope between two points, we need to find the rise over run, which is the change in the <em>y value over the change in the x value</em>. This becomes:

\frac{2 - (-3)}{6 - (-2)}

And simplifies to:
\frac{5}{8}, meaning that the slope between these two points is \frac{5}{8}.
4 0
3 years ago
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