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11Alexandr11 [23.1K]
3 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]3 years ago
8 0

Answer:

The answer is c: N + 13 = 20

Step-by-step explanation:

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650000(0.025) = $16,250

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List the following numbers in order from least to greatest. a) 3.5× 10/3 B) 3.5× 10-2 C) 5.3 × 10/3
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Answer:

3.5*10^{-2}, 3.5*10^3, 5.3*10^3

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Step-by-step explanation:

This is scientific notation. The numbers 3.5 * 10^3\\3.5 *10^{-2}\\5.3 * 10^3 can be ordered least to greatest by looking at their digits and exponents. Since a -2 as an exponent is present, this means this is a small decimal and is the least. 3.5 and 5.3 have the same exponent of 3 but 5.3 is greater than 3.5 so its the greatest. The order is

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Graph tthe system of equations below on a piece paper. what is the solution y=2x-3 y=-x+3
Katen [24]

Answer:

Look at the explanation.

Step-by-step explanation:

Start y=-2x-3 at the Y -3 and X 0, then go up two and to the right one, like a staircase. For y=-x+3 start on Y 3 and X 0 and go down 1 x and 1 y like a downstair staircase with 1 unit down.

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How do I solve 12(9-6x)=696-12?
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Answer:

x= -8

Step-by-step explanation:

This can be done several ways:

The easiest is to factor out 12 from both sides so:

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Cancel 12 from both sides so:

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-6x = 48

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3 years ago
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