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3 years ago

**The given angles are (-1+38x) and (36x+3)". x=

Mathematics

1 answer:

topjm [15]3 years ago

7 0

Answer:

x = 2

Step-by-step explanation:

these angles are alternate-interior angles which are congruent

-1 + 38x = 36x + 3

38x = 36x + 4

2x = 4

x = 2

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3 years ago

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Answer:

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4 years ago

(27 thousands 3 hundreds 5 ones) x 10

anyanavicka [17]

Answer:

Two hundred seventy three thousand and fifty .

Step-by-step explanation:

Given : (27 thousands 3 hundreds 5 ones) x 10

Solution:

27 thousands 3 hundreds 5 ones = 27,305

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Periods are counted from last .

The 1st period consists of ones, tens and hundred.

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Descompuneti in factori. x^2+4x-5=?

Lapatulllka [165]

<span>Assume that,
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Then, x^2+4x-5 = 0 x^2+5x-1x-5 =0
x(x+5)-1(x+5) = 0
(x+5) (x-1) = 0
We get x=-5 and x=1
Sub x=-5 in equ (1)
(-5)^2+4(5)-5 = 0
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-25+25= 0
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Sub x=1 in equ (1) (1)^2+4(1)-5 = 0
1+4-5 = 0 5-5 = 0
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