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3 years ago

Find two consecutive even integers whose sum is 10 ?

1 answer:

4 0

Consecutive even numbers have to be integers because only integers are even or odd. Consecutive even integers are two apart. 6 and 8, for example, are 2 apart. Call the numbers x and x+2.

x+x+2=10

2x=8

x=4

x=4 and x+2=6

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Question 9 - (3 marks available)

navik [9.2K]

Image of the triangle is attached

Answer:

24 cm

Step-by-step explanation:

If two triangles are similar, the corresponding sides must be in the same ratio.

From the diagram, the height of the triangle is 36cm.

But the height of triangle ABE = h,

To find the height of triangle BCD, let's subtract the height of triangle ABE from 36cm.

Therefore.

Height of BCD = 36 - h.

Since the triangles are similar and their corresponding sides have the same ratio, we have the expression:

$\frac{b}{h} = \frac{b}{h}$

Substituting figures, we have:

$\frac{20}{h} = \frac{10}{36-h}$

Cross multiplying, we have:

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