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garik1379 [7]
3 years ago
10

Workers at a quarry are removing rock at a daily rate of 0.1%. There are 3.2 tons of rock when the work begins.

Mathematics
2 answers:
Tanzania [10]3 years ago
6 0

Answer: C

Step-by-step explanation:

use the x and y

Flauer [41]3 years ago
6 0

Answer:

c

Step-by-step explanation:

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Se arrastra un bloque de 18 kg a través de una superficie con una fuerza de 300 N en donde el coeficiente de fricción de dicha s
ozzi

Answer:

10.9\ \text{m/s}^2

Step-by-step explanation:

m = Masa del bloque = 18 kg

F = Fuerza en el bloque = 300 N

\mu = Coeficiente de fricción = 0.6

El equilibrio de fuerzas del sistema viene dado por

F-f=ma\\\Rightarrow 300-0.6\times 18\times 9.81=18a\\\Rightarrow a=\dfrac{300-0.6\times 18\times 9.81}{18}\\\Rightarrow a=10.9\ \text{m/s}^2

La aceleración del bloque es 10.9\ \text{m/s}^2.

8 0
3 years ago
Can 0.06 be rational or irrational???
Alexxandr [17]

Step-by-step explanation:

it would be irrational insta dfl.jacob if you need more help

3 0
2 years ago
Read 2 more answers
A jacket costs $35 and has an 8 percent tax rate
sleet_krkn [62]
After tax price $37.80
Sale tax - 8% or $2.80
6 0
2 years ago
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What is 13/5 written as a mixed number
Bas_tet [7]
<span>Expressed as a mixed number, 13/5 is equal to 2 3/5 or two and three fifths.

Hope this helps.</span>
4 0
3 years ago
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If the sum of the measures of the interior angles of a polygon is 1920°, how many sides does it have?
gizmo_the_mogwai [7]

Answer:

<u>The regular polygon has 13 sides</u>

Correct statement and question:

If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does it have?

Source:

1,920° is not a valid value for a regular polygon. It should be either 1,980° or 1,800° (it has to be a multiple of 180). We pick 1,980° to answer the question.

Step-by-step explanation:

Let's recall that the formula of the sum of the interior angles of any polygon is:

Sum of Interior Angles = (n-2) * 180°, where n is the number of sides of the polygon.

Therefore, replacing with the value we know:

1,980 = (n-2) * 180

n - 2 = 1,980/180

n - 2 = 11

<u>n = 13</u>

7 0
3 years ago
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