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3 years ago

What does the first paragraph of the text mostly describe

Mathematics

2 answers:

san4es73 [151]3 years ago

6 0

How
Many tress there were a long time ago

Dmitry_Shevchenko [17]3 years ago

5 0

I do not see a picture, therefore I can't say!

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Which expression results from using the distributive property 5(4x)

nignag [31]

20x would be ur answer.

6 0

2 years ago

Read 2 more answers

The 250 gallons of maple sap will be

Darya [45]

Answer:

7.5 gallons

Step-by-step explanation:

3 x 250/100

= 7.5

8 0

3 years ago

Write a proportion for the statement. 40 is to 10 as 32 is to 8.

Svetach [21]

Hi! ⋇

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All proportions have this form:

$\sf{\dfrac{a}{b}=\dfrac{c}{d}}$ , Where $\sf{\dfrac{a}{b}}$ is equal to $\sf{\dfrac{c}{d}}$ .

If $\sf{\dfrac{a}{b}\neq\dfrac{c}{d}}$ , it's not a proportion.

_________________________

Here we have two pairs of numbers:

40,10 and 32,8.

Written As a proportion, they look like :

$\sf{\dfrac{40}{10}=\dfrac{32}{8}}$

Hope this made sense to you :)

$\it{Calligrxphy}$

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6 0

2 years ago

Does anyone know this

Arturiano [62]

Answer:

Step-by-step explanation:

Option C is the correct answer.

8 0

3 years ago

Fred the ant is on the real number line, and Fred is trying to get to the point $0.$

Pavlova-9 [17]

Complete question is;

Fred the ant is on the real number line, and Fred is trying to get to the point 0

If Fred is at 1 then on the next step, Fred moves to either 0 or 2 with equal probability. If Fred is at 2 then on the next step, Fred always moves to 1

Let e1 be expected number of steps Fred takes to get to 0 given that Fred starts at the point 1. Similarly, let e2 be expected number of steps Fred takes to get to 0 given that Fred starts at the point 2

Determine the ordered pair (e1, e2)

Answer:

(e_1,e_2) = (2,3)

Step-by-step explanation:

We can track the probabilities using the scenario that Ant gets to 0 after 1 steps, 2 steps, 3 steps, 4 steps, 5 steps and so on.

This gives us e_1 = 1(1/2^(1)) + 2(1/2²) + 3(1/2³) + 4(1/2⁴) + ...

By arithmetico-geometric series, which is given by;

S_(∞) = [a/(1 - r)] + dr/(1 - r)²

From the online calculator, i got;

e_1 = 2

Similarly, e_2 = 2(1/2^(1)) + 3(1/2²) + 4(1/2³) + 5(1/2⁴) + ...

By arithmetico-geometric series, e_2 = 3,

Thus, (e_1,e_2) = (2,3).

6 0

3 years ago