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11Alexandr11 [23.1K]
4 years ago
12

A student needs to collect exactly 20 insects for a science project. The student has already collected 13 insects. Write an equa

tion that can be used to find n, the number of insects the student still needs.
A. 13n = 20
B. n - 13 = 20
C. n + 13 = 20
D. 20 + 13 = n
Mathematics
1 answer:
sergeinik [125]4 years ago
8 0

Answer:

The answer is c: N + 13 = 20

Step-by-step explanation:

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Jillene spends $240 on a new business the first month. If she spends 24% more each month, approximately how much will she spend
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Answer:

Jillene will spend<em> $345.60</em> in 6 months.

Step-by-step explanation:

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3 years ago
The skateboard rita would like to buy costs 6
Ray Of Light [21]

The amount saved by Rita is $25.

Given that, the skateboard Rita wants to buy is 6 dollars less than 3 times the amount she has saved. The skateboard is 69 dollars.

<h3>What is an equation?</h3>

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let the unknown number be x.

Now, 3x-6=69

⇒ 3x=75

⇒ x=75/3

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Therefore, the amount saved by Rita is $25.

To learn more about an equation visit:

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"Your question is incomplete, probably the complete question/missing part is:"

The skateboard Rita wants to buy is 6 dollars less than 3 times the amount she has saved. The skateboard is 69 dollars. How much has Rita saved.

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What is the most important thing that must be true about a sample so that you can make a valid inference about population
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I hope I helped.</span>
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4 years ago
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