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3 years ago

Help quick please if you know

Mathematics

1 answer:

sp2606 [1]3 years ago

8 0

Answer:

what

Step-by-step explanation:

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3 years ago

If angle 3 is congruent to angle 4, then find the measure of angle 3 to the ratio of the measure of angle 4.

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3 years ago

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agasfer [191]

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3 years ago

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3x + ky = 8

sattari [20]

Answer:

(a): x is 3 and ky is -1

(b): k is -2

Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

x - 2 ky = 5 be equation (b)

Then multiply equation (a) by 2:

→ 6x + 2ky = 16, let it be equation (c)

Then equation (c) + equation (b):

${ \sf{(6 + 1)x + (2 - 2)ky = (16 + 5)}} \\ { \sf{7x = 21}} \\ { \sf{x = 3}}$

Then ky :

${ \sf{2ky = 3 - 5}} \\ { \sf{ky = - 1}}$

${ \bf{y = \frac{1}{2} }} \\ { \sf{ky = - 1}} \\ { \sf{k = - 2}}$

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3 years ago