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2 years ago

Which procedures are examples of Descartes’s rules for scientific reasoning? Check all that apply.

Mathematics

2 answers:

denpristay [2]2 years ago

9 0

Answer:

Options A,B and E are correct.

Step-by-step explanation:

Descartes rule ( it was a touchstone of the scientific method) stated and explained that the test of an alleged truth is the clarity with which it may be proven. He always applied reasoning method to explain anything.

A. keeping a detailed record of the procedure and results of a scientific experiment

B. conducting an experiment to confirm the effects of gravity on Earth

E. solving an expression in steps using the order of operations

Greeley [361]2 years ago

6 0

keeping a detailed record of the procedure and results of a scientific experiment

conducting an experiment to confirm the effects of gravity on Earth

solving an expression in steps using the order of operations

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A rectangle that had the perimeter of 70 and the area of 250 has enlarged; its sides became twice as long. what is the new area

aliya0001 [1]

The perimeter of the original rectangle is:
P = 2w + 2l = 70
The area of the original rectangle is:
A = w * l = 250
Then, by modifying the length of its sides we have:
Perimeter:
P '= 2 (2w) +2 (2l)
Rewriting:
P '= 2 (2w + 2l)
P '= 2P
P '= 2 (70)
P '= 140
Area:
A '= (2w) * (2l)
Rewriting:
A '= (2) * (2) (w) * (l)
A '= 4 * w * l
A '= 4 * A
A '= 4 * 250
A '= 1000
Answer:
the new area and the new perimeter are:
P '= 140
A '= 1000

3 0

2 years ago

in the figure p is the incenter of isosceles rst what type of triangle is rpt? Thank you in advance .

snow_lady [41]

Answer:

$\Delta \text{RPT is an isosceles triangle}$

Step-by-step explanation:

As in the triangle RST,

$RS=ST\ \ \ \Rightarrow m\angle SRT=m\angle STR$

Because if in a triangle two angles equal one another, then the sides opposite the equal angles also equal one another.

Incenter is obtained by the Intersection of a triangle's three angle bisectors and it is equidistant from the three sides of the triangle.

So, RP and TP are the angle bisectors of ∠R and ∠T respectively.

$\Rightarrow \dfrac{m\angle SRT}{2}=\dfrac{m\angle STR}{2}$

$\Rightarrow m\angle PRT=m\angle PTR$

$\Rightarrow PR=PT$

$\Rightarrow \Delta \text{RPT is an isosceles triangle}$

7 0

2 years ago

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URGENT!!! Connor earns $24 working every 1.5 hours. Complete the table using equivalent ratios.

tamaranim1 [39]

First find the rate, so dollars/1 hour

To do this, divide both sides by 1.5 so u get the Pay of one hour because 1.5/1.5 is one and the result is 16/1 hour, now multiply 16 by the hour so 16(8) then 16(12) and so on, you can do it well! I don’t have a calculator lol

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2 years ago

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Which answer choice shows 12.444 rounded to the nearest half?

vesna_86 [32]

Answer:

C. 12

Step-by-step explanation:

Remember 0 to 4 turn it back

5 or above give it a shove.

Since 12.444 is around 0 to 4.

We can round that to 12.