3 years ago

What t represent for the equation a(t)=210-15t

Mathematics

1 answer:

vampirchik [111]3 years ago

4 0

T represents x (the input) for the equation.

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What is 2x-3=4(x-5)? And also what is 2x squared=50?

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2x - 3 = 4(x - 5)
2x - 3 = 4x - 20
4x - 2x = 20 - 3
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x = 8 1/2

2x² = 50
x² = 25
x = $\pm$ √25
x = $\pm$ 5

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Answer:

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How many groups of 1/2 days are in 1 week? Write a multiplication equation or a division equation to represent the question, the

worty [1.4K]

Answer:

14 groups

Step-by-step explanation:

Given

$Groupings = \frac{1}{2}\ day$

$Duration = 1\ week$

Required

Determine the number of group in the week

To do this, we simply divide the duration by the number half day group.

This gives:

$Group = \frac{Duration}{Groupings}$

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Convert week to days

$Group = \frac{7\ days}{1/2\ days}$

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$Group = 14$

<em>Hence, there are 14 groups</em>

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3 years ago