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Mashcka [7]
3 years ago
8

I am trying to understand how to solve for X, then solve the equation

Mathematics
1 answer:
Alina [70]3 years ago
5 0

Answer:

x = 16

m<Y = 34°

Step-by-step explanation:

∆XYZ is an isosceles ∆. An isosceles ∆ has two equal sides, as well as the bases of the isosceles triangle are congruent. In this case, therefore:

<X = <Z

(6x - 23)° = (4x + 9)

Solve for x

6x - 23 = 4x + 9

Collect like terms

6x - 4x = 23 + 9

2x = 32

Divide both sides by 2

x = 16

m<Y = 180° - (m<X + m<Z) (sum of ∆)

m<Y = 180 - ((6x - 23) + (4x + 9))

Plug in the value of x

m<Y = 180 - ((6(16) - 23) + (4(16) + 9))

m<Y = 180 - (73 + 73)

m<Y = 34°

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One​ day, the hours without daylight in a particular city was 17 3/4 hours. What was the number of hours of​ daylight? PLS help
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Answer:

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Step-by-step explanation:

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3 years ago
If 7 is the mean of 10,3,4,a,6,9 and 10.find the value of a
nydimaria [60]

Answer:

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Step-by-step explanation:

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zhuklara [117]
<h3>Answer: A) 1</h3>

=========================

Explanation:

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Focus on the third column where y = 5 for each (x,y) pair. Of this column only (2,5) has x be an even number. The other results in that column have x be odd.

Basically (1,5) is the only possible outcome if we want the first spinner to lan on an even number, and the second spinner to land on 5.

7 0
3 years ago
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steposvetlana [31]
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