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Luda [366]
3 years ago
7

2.5 = x/2. What is x? (x/2 is a fraction)

Mathematics
1 answer:
kifflom [539]3 years ago
5 0

Answer:

its 5 just move 2 to the other side multipling 5=x

Step-by-step explanation:

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Find the value of angel 0 to the nearest 10th<br>​
BaLLatris [955]

Answer: 36.9

Step-by-step explanation:

For this question you have to find out whether you are using Sin, Cos or Tan.

To work out which one you are using you can use SOH CAH TOA to help you.

SOH- The 'S' is for Sin, the 'O' and the 'H' is for Opposite over Hypotenuse.

CAH- The 'C' is for Cos and the 'A' and the 'H' is for Adjacent over Hypotenuse.

TOA- The 'T' is for Tan, the 'O' and the 'A is for Opposite over Adjacent.

As you have the Opposite (the side opposite the angle we're looking for) and the Adjacent (the side next to the angle were looking for) we would be using Tan.

So first you would have to write:

Tanθ=3/4

Then because we want Theta (θ) on it's own we would have to do the inverse to 'undo' the equation. Tan-1 is the inverse of Tan.

θ=Tan-1 3/4

To find the answer you would have to put it in your calculator.

θ=36.9

Hope this helps :)

8 0
3 years ago
What is greater 5.3 or 5.30
Simora [160]
5.30 because 3 is smaller than 30
7 0
3 years ago
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 Evaluate the polynomial function p (x) = 2x4 - 3x2 + x - 1 to find p (-1).
Alisiya [41]
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7 0
3 years ago
A balloon has a circumference of 28 in. Use the circumference to approximate the surface area of the balloon to the nearest squa
Soloha48 [4]
C=2πr

r=C/(2π), now the surface area is:

A=4πr^2, using r found above we have:

A=4πC^2/(4π^2)

A=C^2/π, we are given that C=28 so:

A=28^2/π in^2

A=784/π in^2

A≈250 in^2 (to nearest square inch)
5 0
3 years ago
Read 2 more answers
The ratio of blue marbles to red marbles in a box is 3 to 2.if there are 12 blue marbles in the box then how many red marbles ar
neonofarm [45]
You need to make a proportion.  Then cross multiply and divide to find your answer.

blue  3     12
red    2      x

(2)(12) = 3x
24  = 3x
x = 8

There are 8 red marbles

4 0
3 years ago
Read 2 more answers
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