25 percent of £18 What is the answer

Mathematics

2 answers:

dlinn [17]3 years ago

8 0

Answer:

4.5 or 4 1/2

Step-by-step explanation:

siniylev [52]3 years ago

7 0

£4.50
If u need the step by step answer
18➗2 then 9➗2

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What is the approximate 47? Give your answer and explain why it is correct. HELP

a_sh-v [17]

Answer:

Step-by-step explanation:

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3 years ago

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Which triangle is it ?

coldgirl [10]

The answer is: The first triangle. The reasons are shown below:

1. All the triangles are rigth triangles, because they have an angle of 90°. So, let's calculate the others angles of the first one:

Tan(α)^-1= opposite leg/adjacent leg

Opposite leg=5
Adjacent leg=5√3

Tan(α)^-1= 5/5√3
Tan(α)^-1=30°

2. Let's calculate the other angle:

Tan(α)^-1= opposite leg/adjacent leg

Now, the opposite leg will be 5√3 and the adjacent leg will be 5. Then:

Tan(α)^-1= 5√3/5
Tan(α)^-1=60°

As you can see, the angles of first triangle are: 30°,60° and 90°.

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3 years ago

Solve x2 + 2x + 6 = 0 using the quadratic<br> formula.

Eduardwww [97]

No solution for the quadratic equation because of the √-20