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Sunny_sXe [5.5K]
3 years ago
7

Please zoom in if necessary! (:

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0
Chec the picture below

make sure your calculator is in Degree mode, since the angle is in degrees

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What do the graphs of all arithmetic sequences have in common
jasenka [17]
Think of how arithmetic sequences act. They start at a given number, and then they march up or down by the same distance each time. For example:

3, 7, 11, 15, 19, ...

this one marches up by 4 each time.

If this is plotted on a graph, the first point is (1,3), then (2,7), then (3,11), then (4,15) and so on. You'll notice that the slope is the same between all the points. In other words, you get a straight line! This is true for any arithmetic sequence.
3 0
3 years ago
Find the surface area of the sphere with the given dimension. Leave your answer in terms of pi.
Brrunno [24]
The surface area of the sphere:
A = 4 r² π 
1 ) r = 60 m;
A = 4 · 60² π = 4 · 3600 π = 14,400 π m²
2 ) Diameter of 14 cm:
r = 14 cm / 2 = 7 cm
A = 4 · 7² π = 4 · 49 π = 196 π cm²
5 0
3 years ago
shirley purchased a plot of land for $19,500. the land appreciates about 3.9% each year. what is the value of the land after 5 y
romanna [79]

Answer:

$23,302.50

Step-by-step explanation:

4 0
3 years ago
1. What is the solution to the equation<br> below?<br> -5/4x + 2/5 = -13/30
Artemon [7]

Answer:

2/3 or .6 repeating

Step-by-step explanation:

6 0
3 years ago
A moving trailer with a speed of 70km/h slows down its speed by 15% within 30 seconds. calculate the declaration of the trailer.
antoniya [11.8K]

Answer:

declaration = - 0.55 m/s²

Step-by-step explanation:

The declaration is a negative accelaration.

Therefore:

a = \frac{v-u}{t}

a      = ?

v      = 70 of 15% = 10.5 km/h to m/s = 2.9 m/s

u = 70 km/h to m/s = 19.4 m/s

t = 30 seconds

a = \frac{2.9-19.4}{30}\\

a = - 0.55 m/s²

7 0
3 years ago
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