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8090 [49]
2 years ago
12

Express Lin's brother's scale for the drawings without units.

Mathematics
2 answers:
Gala2k [10]2 years ago
6 0

Answer:abcd

Step-by-step explanation:

lara31 [8.8K]2 years ago
6 0
The format answer would be 3:4
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Magdalena creates the drawing shown of a rectangular field . (length : 7.2 cm and height : 3 cm)
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Does anyone know the bottom answer please
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6000000 divided by 10 = 600000

Step-by-step explanation:

Your answer should make sense

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2 years ago
The answer to this question. i’m confused and don’t understand it.
Georgia [21]

Answer:

5,120 bacterias

Step-by-step explanation:

Given the amount of bacteria after x hours modelled by the equation:

f(x) = 20(2)^x/12

Note that x is in hours not days

To calculate the number of bacteria that will be contained within the culture after 4 days, we will first convert 4days into hours since x is in hours.

24hours = 1day

xhours = 4days

x = 24×4

x = 96hours

Substituting x = 96 into the equation

f(96) = 20(2)^96/12

f(96) = 20(2)^8

f(96) = 20×2^8

f(96) = 20×256

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The number of bacteria that will be contained after 4days is 5,120bacterias

3 0
2 years ago
1) What do u mean by Trigonometry ?​
tankabanditka [31]

Step-by-step explanation:

Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).

7 0
3 years ago
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Which of the following equations shows how substitution can be used to solve
maxonik [38]

Answer:  Choice B)

2x+5(2x+3) = 3

============================================

Reasoning:

We start with the second equation 2x+5y = 3

Since y = 2x+3 from the first equation, we can replace every copy of y with (2x+3). This replacement is valid because y and 2x+3 are the same.

So that's how we go from 2x+5y = 3 to 2x+5(2x+3) = 3

This replacement is done to get rid of the y variable, and it allows us to solve for x later on.

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