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boyakko [2]
3 years ago
6

How to figure out -2 3/4 divided by 1/2

Mathematics
2 answers:
Bad White [126]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

Put -2 3/4 into an improper fraction -6/4

Then put it into a decimal -1.5

Then put 1/2 into a decimal 1.5

Then divide -1.5 by 1.5

You would get -1

MArishka [77]3 years ago
7 0

Answer: -5 1/2

Step-by-step explanation:

When dividing fractions, we follow a rule called "Keep, change. flip." You keep the first fraction the same, change the division symbol to a multiplication symbol, and flip the last fraction.

-2 3/4 turned into an improper fraction: 4 * 2 + 3 = 11/4

11 * 2 = 22

4 * 1 = 4

= -22/4

4 goes into 22 5 times, but we'd still have 1 left over.

5 2/4

This can be reduced once more to 5 1/2

Then we add the negative sign back in.

-5 1/2.

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2 years ago
A nest of ants has been growing exponentially in such a way that it's population,P, as a function increasing on average more or
ivolga24 [154]

Not sure question is complete, assumptions however

Answer and explanation:

Given the above, the function of the population of the ants can be modelled thus:

P(x)= 1600x

Where x is the number of weeks and assuming exponential growth 1600 is constant for each week

Assuming average number of ants in week 1,2,3 and 4 are given by 1545,1520,1620 and 1630 respectively, then we would round these numbers to the nearest tenth to get 1500, 1500, 1600 and 1600 respectively. In this case the function above wouldn't apply, as growth values vary for each week and would have to be added without using the function.

On one hand, the function above could be used as an estimate given that 1600 is the average growth of the ants per week hence a reasonable estimate of total ants in x weeks can be made using the function.

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3 years ago
Which<br> equation represents a line that passes through (-2, 4) and has a slope of 2/5?
pashok25 [27]

Answer:y - 4 = 2/5(x + 2)

Step-by-step explanation:

Mark me brainliest

4 0
2 years ago
Please help me out with these 2 questions! Legit answers only please!
geniusboy [140]

Answer:

1.) 12 hours   2.) She made a multiplying error in the table.

Step-by-step explanation:

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First, let's find the slope of this equation:

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m = 54/2

m = 27

Therefore, the equation should be y = 27x.

Now we substitute 324 for y and solve for x:

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3 years ago
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Lady_Fox [76]

Answer:

\dfrac{18}{5}

Step-by-step explanation:

The picture shows three isosceles tirangles with the same legs. The base of each triangle is 12 units, 5x-3 units and 17 units.

Since the angles at vertex of each isosceles triangles are 27°, 28° and 29°, then the lengths of the bases satisfy the double inequality

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Divide it by 5:

\dfrac{18}{5}

3 0
3 years ago
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