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3 years ago

What is 39% as a ratio

Mathematics

2 answers:

Mariana [72]3 years ago

7 0

39% as a ratio would be 39:100. Since percents are over of a hundred it would be 39:100 or 39/100.

yuradex [85]3 years ago

7 0

39%=39/100. So the ratio would be 39:100.

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ABC is a tangent to the circle below. O is the centre of the circle. Work out the size of angle 0. Give reasoning to justify you

Delvig [45]

Answer:

Θ = 46°

Step-by-step explanation:

the angle between a tangent and a radius at the point of contact is 90° , so

∠ ABO = 90°

since OB = OD ( radii of circle ) then Δ BOD is isosceles and

∠ OBD = ∠ ODB = 22°

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ AOB is an exterior angle of the triangle , then

∠ AOB = 22° + 22° = 44°

the sum of the 3 angles in Δ AOB = 180° , then

Θ + 44° + 90° = 180°

Θ + 134° = 180° ( subtract 134° from both sides )

Θ = 46°

6 0

2 years ago

One of the tents you look at has a base measuring 3 metres long and 250 centimetres wide . What is the area of the tent

MAVERICK [17]

3 Metres = 300 Centimetres

300 x 250 = 75000

✨booyah<span>✨</span>

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3 years ago

Complete the proportion table below and graph the results

myrzilka [38]

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7 0

3 years ago

The dashed-line triangle is a dilation image of the solid-lined triangle.

Gre4nikov [31]

Refer to the edited figure.

Triangles ABC and A'B'C' are similar because of AAA.
Also,
$\frac{AB}{A'B'}= \frac{15}{5}=3 \\\\ \frac{AC}{A'C'}= \frac{12}{4}=3$

Therefore
ΔA'B'C' is 1/3 the size of ΔABC.
This means that the scale factor from ΔABC to ΔA'B'C' is a 3-factor reduction.

Answer: reduction; one-third.
The dilation is a reduction.
The scale factor of the dilation is one-third.

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3 years ago

Help me find x please!

lana [24]

X should equal 100. Hope this helps :)

4 0

3 years ago