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alexisolsennn4680
26.01.2020 •
Mathematics
1. what two 1-digit factors could you multiply to get a product between and including 40 and 50?
2. a pound of guinea pig pellets is about 3 cups of food. each guinea pig eats 1/4 cup of pellets a day. how many days will the pellets last? explain.
( there are 2 guinea pigs)
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Ответ:
12 days
Ответ:
1. We need to find two 1-digit factors that are multiplied to get a product between 40 and 50
So, let us first take one factor to be 5
Now, to make its product with the second factor between 40 an d 50, we take second factor to be 9
Now, 9 × 5 = 45
And, 40 ≤ 45 ≤ 50
Hence, The required two 1-digit factors are : 5 and 9
2. Number of Guinea pigs = 2
A pound of Guinea pig pellets is about 3 cups of food
Ответ:
1.
2. ![162\sqrt{2}](/tpl/images/0654/6511/a38b5.png)
Step-by-step explanation:
1. The area of a hexagon is A =![\frac{3\sqrt{3} }{2} a^{2}](/tpl/images/0654/6511/49b92.png)
Here our a is 4, so plugging in 4 to our equation gives
which simplifies to ![24\sqrt{3}](/tpl/images/0654/6511/a721a.png)
2. The area of an octagon is![2\sqrt{2} r^{2}](/tpl/images/0654/6511/e7de9.png)
Here our r is 9, so plugging in 9 to our equation gives
which simplifies to ![162\sqrt{2}](/tpl/images/0654/6511/a38b5.png)