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3 years ago

Emma buys a house for £201 500

Mathematics

2 answers:

Novay_Z [31]3 years ago

4 0

Answer:

Step-by-step explanation:

$\frac{213590 - 201500}{201500} = \frac{12090}{201500} = 6$

lisabon 2012 [21]3 years ago

3 0

Answer:

Step-by-step explanation:

Original price = £201 500

Selling price = £213 590

The profit equals = Selling price - Original price

213590 - 201500 = 12090

The profit is £12090.

The profit percent equals = Profit/Original price × 100

12090/201500 × 100

6/100 × 100 = 6

The profit percentage was 6%

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Answer:

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Answer:

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2 years ago

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3 years ago

Find and identify the traces of the quadric surface x2 + y2 − z2 = 36 given the plane. x = k Find the trace. Incorrect: Your ans

AlekseyPX

Answer:

Hyperbola.

Step-by-step explanation:

We start from the function:

$x^{2} +y^{2} -z^{2} =36$

We may get the traces if we cut the surface in planes x=k. This is equivalent to replace x for k:

$k^{2}+y^{2} -z^{2}=36\\y^{2} -z^{2}=36-k^{2}$

The last equation is the equation of an hyperbola, which varies its characteristics depending on K (the plane cut).

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2 years ago

Given: m∠LOI=38°, m∠JOP=84°

Romashka-Z-Leto [24]

Answer:

The measure of angle JKP is $m$

Step-by-step explanation:

step 1

we know that

The measure of the arc is equal to the measure of its central angle

$arc\ JP=m$

and

$arc\ IL=m$

step 2

Find the measure of the angle JKP

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

$m$

substitute the values

$m$

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2 years ago