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Aleksandr-060686 [28]
3 years ago
9

I'm not good at math so Imma leave this here :))

Mathematics
1 answer:
Elodia [21]3 years ago
5 0

Answer:

1. a/2b 2. 5/6 3. x-1/2 4. y-5/y+5 5. x+5/x-1

Step-by-step explanation:

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mart [117]
2 hours and 4 mins or you can say 140.6 miles
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3 years ago
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PLS HELP ME THIS IS Probability (Single event) PLS HELP ME
KatRina [158]

Answer:

2/6  or 33.3%

1/6 or 16.65%

3/6 or 50%

0/6 0r 0%

Step-by-step explanation:

4 0
3 years ago
In the diagram, HGF is a straight line. Given EF = 4 cm and HG = GF = 3 cm, find :
Alecsey [184]
If HG and GF are both 3, then the whole length of the base is 6. The tan ratio is the side opposite the reference angle (length 4) over the side adjacent to the angle (length 6), which for us looks like this:
tan(x)= \frac{4}{6} = \frac{2}{3}=.6666667
Now use the inverse tan button (2nd-->tan) to get
tan^{-1} (.66667)=33.69
As far as the sin y goes, you have to use the Law of Sines because you are not working with a right triangle in that case.  I mean you are as far as having to find out what the hypotenuses are triangle EFH and triangle EFG.  The hypotenuse in triangle EFH is 7.211, and the hypotenuse in triangle EFG is 5. Using the Law of Sines to solve for y, you get this:
\frac{siny}{7.211} = \frac{sin33.69}{5}
Solving for y and using the inverse sin gives you that y = 53.12
If you are not familiar with setting up the Law of Sines, nothing I could tell you here would help. If you are familiar, then you get the idea of where the numbers came from and why they are set up that way. Hope that helps. That second part was quite hard.

7 0
3 years ago
Describe a real life scenario where inequalities are used and state the inequality
Hunter-Best [27]
AS North Korea is generally closed off the foreigners, the Nato nations & others can only guess how much nukes the NK have. Due to reports of missiles flying & landing in water, we can interpret that they have more than 1 missile. However, we believe that they have less than 100 still

1 < x < 100

this means that x is greater than 1, yet less than 100. 

hope this helps
4 0
3 years ago
The width of a rectangular room is 60% of its length. The length of the room is 10 feet. What is the area of the room?
SOVA2 [1]

Answer:

60\ ft^{2}

Step-by-step explanation:

Let

x-------> the length of the room

y-------> the width of the room

we know that

60\%=\frac{60}{100}=0.60

x=10\ ft

y=0.60x

Find the value of y

y=0.60(10)=6\ ft

The area of the rectangular room is equal to

A=xy

substitute the values of x and y

A=10*6=60\ ft^{2}

7 0
3 years ago
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