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marishachu [46]
3 years ago
10

The school gym can hold no more than 650 people. The bleachers will seat 176 people. The PTA is setting up 25 rows of chairs for

their meeting. At most, how many chairs can be in each row? A) 18 B) 19 C) 26 D) 27
Mathematics
1 answer:
mojhsa [17]3 years ago
5 0

Answer A (18

Step-by-step explanation:

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What is the sum of an infinite geometric series if 2=5 and r=1/3
Morgarella [4.7K]

Answer:

\frac{15}{2}

Step-by-step explanation:

The problem has a mistake, it should NOT be 2 = 5, rather a=5.

Now, given a = 5 (the first term is a), and

r = 1/3 (common ratio),

<em>we can solve for the sum of the infinite series by using the formula:</em>

<em>S_{\infty}=\frac{a}{1-r}</em>

<em />

Where S_{\infty} is the sum of the infinite geometric series,

a is the first term (given as 5), and

r is the common ratio ( r= 1/3 given)

<em>We now plug these into the formula and get our answer:</em>

<em>S_{\infty}=\frac{a}{1-r}\\=\frac{5}{1-\frac{1}{3}}\\=\frac{5}{\frac{2}{3}}\\=\frac{15}{2}</em>

7 0
3 years ago
Please help me!!! U will be named the brainliest.
fgiga [73]

Answer:

perimeter = 44.05 yd

area = 164.25 yd^2

Step-by-step explanation:

The figure is shaped like a trapezoid with a semicircle.

Perimeter:

We add the lengths of the three sides of the trapezoid and the circumference of the semicircle.

perimeter = 15 + 11.2 + 10 + 0.5 * 3.14 * 5

perimeter = 44.05 yd

Area:

We find the area of the trapezoid and add to it the area of the half circle.

area = 0.5(10)(10 + 15) + 0.5(3.14)(5^2)

area = 164.25 yd^2

8 0
4 years ago
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Margie and four of her friends are eating lunch at a restaurant. The total bill is $52.50 before tax and tip.
musickatia [10]
Part A- DISCOUNT-SALES TAX--- 42.5
WITH TAX-- 45.05

part b- the tip is... 10.5

part c- 11.11
4 0
3 years ago
Factorize 6pq_3rs+3qs_6pr​
Tpy6a [65]

Answer: 3pr(2q3 square root of 8 +qs6) the 3 and 6 are are smaller than the q and s, I just cant do it using my computer.

Step-by-step explanation:

3 0
3 years ago
Ten less then quotient of a number and 3 is 8
Lesechka [4]

Answer:The answer is 6

6 0
3 years ago
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