I don’t know what property to use

Mathematics

1 answer:

tiny-mole [99]3 years ago

6 0

The AWSER is 12 I think

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Find the final value if £3500 is invested for 6 years at 6.9% p.a. <br><br> Final value = £

gulaghasi [49]

= Answer:

Step-by-step explanation:

interest= 3500 * 6 * 6.9* 1/100

= 4949

Final value = £ 3500 + 1449

= 4949

5 0

3 years ago

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Question 3 Please. I'm really stuck :(

Stells [14]

Let ∠RTS=∠RST = a (say)
∠QUA=∠QSU= b(say)
then we know , at point S, a+40+b=180. so, a+b=140 we'll use this later.

consider trianglePQR, ∠P+∠Q+∠R=180
i.e.P+(180-2b)+(180-2a)=180
P+180+180-2(a+b)=180 ⇒P+180-2(a+b)=0 ⇒P=2(140)- 180=280-180=100
hence,answer is E

7 0

2 years ago

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If A(1,2), B(5,-4) and (-3,2) are the vertices of a triangle, which statement holds true?

Zigmanuir [339]

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The correct option is A.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The length of different sides are:

$AB = \sqrt{(5-1)^2+(-4-2)^2} = \sqrt{16+36} = \sqrt{52}\rm\ units$