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Dima020 [189]
3 years ago
12

17 points! Please help!

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
A sample was collected to gather information among a small group to see any shared traits/etc among the group that is repetitively seen. That sample can create a strong prediction about any other group of bluejays, so instead of collecting basically a large chunk of information from bluejays, a small group can summarize the entirety of the blue jays
Nostrana [21]3 years ago
3 0
If you take more than just a sample you can accidentally change something in the results because you took to much<span />
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HELP ME ASAP LAST PROBLEM
igomit [66]
The rate of change is -2 :)

5 0
2 years ago
Read 2 more answers
jamal completed his math homework in 2/3 of an hour and his reading homework in 3/5 of an hour. How much time did it take him to
Assoli18 [71]

Answer:

Step-by-step explanation: We have to add how much time it took him to do all of his homework. To do this, we have to add 2/3 and 3/5.

First, we have to find a LCM between 3 and 5.

The LCM between those numbers are 15.

Next we find out what number to multiply 3 by to get 15, we multiply it by 5.

2 * 5 = 10

3 * 5 = 15

Next we find out what number to multiply 5 by to get 15, we multiply it by 3.

3 * 3 = 9

5 * 3 = 15

10/15+9/15=19/15

We are left off with 1 4/15

So it took him 1 hour and 4/15 minutes to do his homework.

3 0
3 years ago
What is the midpoint of the segment whose endpoints are 17,1 and -9,3
Veseljchak [2.6K]
Easy ill tell u and then do a equation first sense it has - it means u have to subtract alright it goes like this. 17,1
                                                    9,3
                                                   --------
                                                    7,8
and this is ur answer as u see in my equation ur welcome only give me brainiest only if im right 
5 0
3 years ago
Which expression is equivalent to 5y^3/(5y)^-2​
Serggg [28]

Answer:

5^3  y^5

125 y^5

Step-by-step explanation:

5y^3/(5y)^-2​

Distribute the exponent in the denominator

5y^3/(5 ^-2 y^-2)

A negative exponent in the denominator brings it to the numerator

5y^3 5 ^2 y^2​​

Combine like terms

5 * 5^2  * y^3 5^2

We know that a^b * a^c = a^(b+c)

5^(1+2) * y^( 3+2)

5^3  y^5

125 y^5

6 0
3 years ago
Find the volume of 20m, 5m, 18m
HACTEHA [7]

Answer:

600 m³

Step-by-step explanation:

The shape we have is a rectangular pyramid:

Formula:<u><em> (volume of a rectangular pyramid)</em></u>

Volume = (1/3) × Base Area × height

___________________________

In our case :

Base area = L × W = 20 × 18 = 360 m²

height = 5 m

⇒ Volume = (1/3) × Base Area × height

    \Longrightarrow \text{volume} \  =\  \frac{1}{3} \times 360\times 5

\Longrightarrow \  \text{volume} \  =\  600\  m^{3}

7 0
2 years ago
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