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3 years ago

The slope of the lawn and passing through the points (1,3) and (5,13)

Mathematics

1 answer:

Natalija [7]3 years ago

8 0

(13-3)/(5-1)=10/4=5/2

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The length and width of a rectangular room are measured to be 3.955±0.005m. Calculate the area of the room and its uncertainty i

Margarita [4]

Answer:

The area of the room and its uncertainty in square meters is:

15.642±0.040 $m^2$

Step-by-step explanation:

We know the area of a rectangular room is the multiplication of the length and width:

$Area= 3.955m*3.955m\\Area= 15.642 m^2$

Now we need to know the uncertainty, the uncertainty of a multiplication is:

$\frac{δ_a}{|Area|} =\frac{δ_L}{|L|}+\frac{δ_W}{|W|}$ (1)

$δ_A$ : Area uncertainty

$δ_L$ : Length uncertainty

$δ_W$ : Width uncertainty

A: Area of the room

L: Length

W: Width

Clearing the uncertainty of the area:

$δ_A=(\frac{δ_x}{|x|}+\frac{δ_y}{|y|})*Area$ (2)

$δ_A=(\frac{0.005}{|3.955|}+\frac{0.005}{|3.955|})*15.642 m^2$

$δ_A= 0.040 m^2$

The area of the room and its uncertainty in square meters is:

15.642±0.040 $m^2$

6 0

3 years ago

(8*10^(3))(4*10^(8))

Amiraneli [1.4K]

Answer:

3.2 * 10^12

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Write the decimals 0.0026 as a percent.

alex41 [277]

<h3>Answer: 0.26%</h3>

Move the decimal point 2 spots to the right to convert from decimal form to percent form. This is the same as multiplying by 100.

Other examples:

0.17 = 17%

1.98 = 198%

8 0

3 years ago

Which set does not contain –3?

STALIN [3.7K]

Set? Are you missing part of the question

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3 years ago

What’s 1 + 1?<br> A. 0<br> B. 0<br> C. 0<br> D. 2

SCORPION-xisa [38]

Answer:

its D

Step-by-step explanation:

$1 + 1 = 2 \\$

8 0

3 years ago