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balu736 [363]
2 years ago
5

Solve For The Variable

Mathematics
2 answers:
Rasek [7]2 years ago
6 0

Answer:

5x 2.5= 12.5

V= 2.5

Step-by-step explanation:

Dafna1 [17]2 years ago
5 0

Answer:

v=2.5

Step-by-step explanation:

Flip the equation.

5v = 12.5

Divide both sides by 5.

5v/5 = 12.5/5 =

v= 2.5

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-45×68 what is the answer
Marianna [84]
Answer: -3060

68
-45
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272x <-- the x is in place of a zero
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3060

times the negative: -3060
4 0
2 years ago
Due to erosion, a beach is
Olenka [21]

Answer:

17 years

Step-by-step explanation:

do 85 divided by 5

5 0
3 years ago
Read 2 more answers
2)If a $100 deposit is made at a bank that pays 12% per year, compounded annually, determine how long it will take for the inves
Shkiper50 [21]

Answer:

B 20 Hours

Step-by-step explanation:

8 0
3 years ago
One less than half a number is 12. What is the number
olga_2 [115]
To find this, turn the word question into an equation.
"One less than" means - 1, which is 1 being subtracted from something.
"half a number" means 1/2x, since 1/2 is half and x is unknown.
"is 12" means = 12, which is something equals 12.
Putting this in order would be 1/2x, then - 1, then = 12.
As an equation, this is 1/2x - 1 = 12.
So the equation is 1/2x - 1 = 12

Now you must find the number by solving this equation.
1/2x - 1 = 12
First, add 1 to both sides.
12 + 1 = 13
1/2x = 13
Now multiply both sides by 2.
This way, x will be isolated since 1/2x • 2 = 1x, and 1x = x.
13 • 2 = 26
x = 26
The number is 26.
6 0
3 years ago
Find the area of the shaded region. round answers to the nearest tenth. assume all inscribed polygons are regular. 29.3 units2
FromTheMoon [43]
The picture in the attached figure

we know that
the area of the shaded region is equal to
(2/3)*[area of the circle - the area of the triangle]  

step 1
Find the area of a circle Ac
Ac = π r²
Ac = π (6)²
Ac = 113.10 units²

step 2
find the area of the triangle At
The triangle is an equilateral triangle with angles on each corner equal to 60 degrees. Meanwhile,
the 3 angles at the center is 120 degrees each since a circle is 360 degree.
 We know that the radius (line from centerpoint to corner) is equivalent to 6.
Using the cosine law,
we can calculate for the length of one side.
s² = 6^ + 6² – 2 (6) (6) cos 120
s² = 108
s = 10.4 units
Since this is an equilateral triangle, therefore, all sides are equal.
The area for this is:
At = (sqrt3 / 4) * s²
At = 46.77 units²

step 3
the area of the shaded region=(2/3)*[area of the circle - the area of the triangle]  
the area of the shaded region=(2/3)*[113.10-46.77]------> 44.22 units²

therefore

the answer is
the area of the shaded region is 44.22 units²


5 0
3 years ago
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