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Umnica [9.8K]
3 years ago
13

What is the median of these numbers : 90, 95, 92, 93, 91, 97

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:92.5

Step-by-step explanation:

The middle numbers are 92 and 93 and then you add 92+93=185 and 185/2=92.5

ziro4ka [17]3 years ago
8 0
The median is 92.5

Work :

1) Place the numbers in order
90, 91, 92, 93, 95, 97

2) There are two medians (92 & 93)

3) Add both numbers then divide by 2, because it’s two numbers and you need 1 median

92+93 = 185/2 = 92.5
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A fish tank hold 180 gallons of water and is leaking at a rate of 8 gallons per day. Are you second fish tank hold 160 gallons o
mihalych1998 [28]

Answer:

At 10 days

Step-by-step explanation:

180 - 8x = 160 - 6x

Solve X (which equals to 10 days)

(x = amount of days)

6 0
3 years ago
Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. N an 1 4 2 −12 3 36 t
Rzqust [24]

By applying basic property of Geometric progression we can say that sum of 15 terms of a sequence whose first three terms are 5, -10 and 2 is                    \sum_{n=4}^{15} 5(-2)^{n-1}$$  

<h3>What is sequence ?</h3>

Sequence is collection of  numbers with some pattern .

Given sequence

a_{1}=5\\\\a_{2}=-10\\\\\\a_{3}=20

We can see that

\frac{a_1}{a_2}=\frac{-10}{5}=-2\\

and

\frac{a_2}{a_3}=\frac{20}{-10}=-2\\

Hence we can say that given sequence is Geometric progression whose first term is 5 and common ratio is -2

Now n^{th}  term of this Geometric progression can be written as

T_{n}= 5\times(-2)^{n-1}

So summation of 15 terms can be written as

\sum_{n=4}^{15} T_{n}\\\\$\\$\sum_{n=4}^{15} 5(-2)^{n-1}$$

By applying basic property of Geometric progression we can say that sum of 15 terms of a sequence whose first three terms are 5, -10 and 2 is                    \sum_{n=4}^{15} 5(-2)^{n-1}$$  

To learn more about Geometric progression visit : brainly.com/question/14320920

8 0
2 years ago
Hope u can see this I will give 10 points to start of sorry for pushing u guys to type
Kruka [31]
Right triangles. There is a 90 degree angle on both
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3 years ago
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Rudik [331]

Answer:

(12, 3)

Step-by-step explanation:

write the equation:

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write another equation with the total baskets

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plug them both into desmos and find the solution

(12, 3)

she made 12 2-point shots and 3 3-point shots

3 0
3 years ago
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For each incorrect answer on a test, the teacher changes the total points possible by - 3
Bogdan [553]

Answer:

40

Step-by-step explanation:

8 incorrect answers x -3 points per wrong answer. 64 - 24 points taken off = score of 40.

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3 years ago
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