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Harrizon [31]
3 years ago
11

Chen check the temperature at Dawn and at dusk every day for a week for a science project. How many observations does he make?

Mathematics
2 answers:
lesantik [10]3 years ago
5 0
14 times Chen checks it
salantis [7]3 years ago
4 0
Chen checked the temperature 14 times at dawn and at dusk
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How do I write the sum of 6x and 2x is at least 39 ?
tatiyna
<h2>Put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .</h2>

Step-by-step explanation:

We have,,

6x and 2x

To find, the value of x = ?

According to question,

The sum of 6x and 2x is at least 39

∴ 6x + 2x = 39

⇒ 8x = 39

⇒  x = \dfrac{39}{8}

∴ The value of x = \dfrac{39}{8}

Thus, put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .

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Devon has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 g
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In one pan you have 8 balls: 8n
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