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3 years ago

Https://imgur.com/a/p0QjLGl

Mathematics

2 answers:

photoshop1234 [79]3 years ago

7 0

From the figure, We can notice that Sum of the angles (∠AKC and ∠AKE) should be equal to 180°

Because ∠AKC and ∠AKE make a Linear Pair

⇒ ∠AKC + ∠AKE = 180°

⇒ 5x + 12x + 27 = 180

⇒ 17x = 180 - 27

⇒ 17x = 153

⇒ x = 9°

⇒ ∠AKE = 12(9) + 27 = (108 + 27) = 135°

Answer : ∠AKE = 135°

inna [77]3 years ago

3 0

Answer: what’s the link about ?

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3 years ago

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If 1st and 4tg terms of G.p are 500 and 32 respectively it's second term is ?

bixtya [17]

Answer:

$T_{2} = 200$

Step-by-step explanation:

Given

Geometry Progression

$T_1 = 500$

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Required

Calculate the second term

First, we need to write out the formula to calculate the nth term of a GP

$T_n = ar^{n-1}$

For first term: Tn = 500 and n = 1

$500 = ar^{1-1}$

$500 = ar^{0}$

$500 = a$

$a = 500$

For fought term: Tn = 32 and n = 4

$32 = ar^{4-1}$

$32 = ar^3$

Substitute 500 for a

$32 = 500 * r^3$

Make r^3 the subject

$r^3 = \frac{32}{500}$

$r^3 = 0.064$

Take cube roots

$\sqrt[3]{r^3} = \sqrt[3]{0.064}$

$r = \sqrt[3]{0.064}$

$r = 0.4$

Using: $T_n = ar^{n-1}$

$n = 2$ $r = 0.4$ and $a = 500$

$T_{2} = 500 * 0.4^{2-1}$

$T_{2} = 500 * 0.4^1$

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$T_{2} = 200$

<em>Hence, the second term is 200</em>

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3 years ago

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olga nikolaevna [1]

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2 years ago

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