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disa [49]
3 years ago
5

-3/5 - 7/5 - -2/5 equals

Mathematics
2 answers:
gregori [183]3 years ago
8 0
The answer is -8/5.....
12345 [234]3 years ago
6 0
I think it equals -1.6.
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An observer 2.5 miles from the launch pad of a space shuttle measures the angle of elevation to the base of the shuttle to be 25
kotegsom [21]

Answer:

Height of shuttle at that instant  = 1.17 miles

Step-by-step explanation:

Refer the given figure.

C is the position of rocket and B is the position of observer.

Here we need to find AC, that is the height of shuttle at that instant.

Using trigonometric rules on ΔABC, we have

      tan25=\frac{AC}{AB} \\\\tan25=\frac{AC}{2.5}\\\\AC=2.5\times tan25\\\\AC=1.17miles

Height of shuttle at that instant = AC = 1.17 miles

5 0
3 years ago
Please help me! It's due today at 8:30!!!
klemol [59]

Answer:

137.842

Step-by-step explanation: hope this helps :) can I please get a brain list :)

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2 years ago
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three zebras are chilling in the desert. suddenly a lion attacks. each zebra is sitting on a corner of an equally length triangl
AnnyKZ [126]

Probability that no zebras collide is 0.25

The zebras are represented as z1, z2 and z3.

Z1 to B, Z2 to C, and Z3 to A come first = (\frac{1}{2})^3

Following that, z1 to C, z2 to A, and z3 to B = (\frac{1}{2})^3

Consequently, the likelihood of no collision is 2×1/8 = 0.25.

<h3>What are the types of probability distributions ?</h3>

Discrete and continuous probability distributions are the two main categories in which probability distributions fall. There are numerous varieties of probability distributions within each category.

  • The number of favorable outcomes of an event divided by the total number of possible outcomes of an event can be used to calculate the probability of an event.
  • The likelihood of a sure or certain event is one.
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To learn more about Probability, visit

brainly.com/question/3069881

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4 0
1 year ago
If the slope of a line is -1/4,<br>find x when (x,2) and (1/2,6)​
Alecsey [184]
Use slope formula:
m = (y2-y1) / (x2-x1)
-1/4 = 6-2 / 1/2 - x
-1/4 = 4 / 1/2 - x
-1(1/2 - x) = 4(4)
-1/2 + x = 16

x = 16 1/2 or 33/2
7 0
3 years ago
Intergrate secx(secx+tanx) dx
frozen [14]
\displaystyle\int\sec x(\sec x+\tan x)\,\mathrm dx=\int(\sec^2x+\sec x\tan x)\,\mathrm dx=\tan x+\sec x+C
3 0
3 years ago
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