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skywil8981
20.11.2020 •
Mathematics
Help asap!
pre-algebra
will mark brainliest!!
1
You may use a calculator, but I still need to see all shown work.
Divide 39.15 by -7.25
2
A store stocks pine and spruce seedlings in approximately the ratio of 7:2. If they order 34 pintes, how many spruce seedlings would they order? Round to the nearest whole number.
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Ответ:
1.
-5.4
Step-by-step explanation:
I first made a guess on what it would be by rounding up 39 to 40 and -7 to -8, which makes the answer around -5. Then, I put it in the calculator to make sure, and sure enough, it was around -5, so I knew my answer was correct.
2.
About 10 spruce seedlings.
Step-by-step explanation:
7:2
34:?
So, rounded up to the nearest whole number, they would order about 10 spruce seedlings.
Hope this helped!! :)
Ответ:
Step-by-step explanation:
Since each town he has allows him to create 1.13 times as many villagers as he had in the one before.
The population of the next village will be a multiplication of the population of the previous village by 1.13.
This forms a sequence in which the next term is obtained by multiplication of the previous term by a constant. This type of sequence us called a Geometric Sequence and the constant is called the Common ratio.
For any number of terms, the nth term of a Geometric Progression is determined using the formula:
Where a= First Term
r= common ratio
n= number of terms
The game gave Chase 4 villagers to start with.
Therefore, his first term a=4
The common ratio, r= 1.13
To predict the number of villagers in any specific town, we use the formula:
In the 17th town, i.e. n=17
The number of villagers that can be created will be found by substituting n=17 into the formula above.
Since number of villagers cannot be fractional, the number of villagers he can create to live in the 17th village is 28.