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3 years ago

The value of x in the equation listed above

Mathematics

1 answer:

matrenka [14]3 years ago

3 0

Answer:

x = 3

Step-by-step explanation:

The pair of angles given are alternate angles (they form a 'Z' shape). Alternate angles are always equal to each other. From this, we can get the equation:

14x - 13 = 8x + 5

Collect like terms,

6x - 13 = 5

6x = 18

x = 3

Hope this helped!! Ask me if there's any part of the working you don't understand :)

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For questions 5 and 6, solve the system using the Elimination method.

beks73 [17]

Answer:

$\boxed{x = 7~~and~~y = -3}$

Step-by-step explanation:

5x + 3y = 26 (times 6) 30x + 18y = 156

6x + 7y = 21 (times 5) 30x + 35y = 105

30x + 18y = 156

-17y = 51

$y = \frac{51}{-17}$

y = -3

Substitute the value of y to one of equations

6x + 7y = 21

6x + 7(-3) = 21

6x - 21 = 21

6x = 21 + 21

6x = 42

$x = \frac{42}{6}$

x = 7

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3 years ago

How many perpendicular lines must be drawn in a triangle to prove the Law of Sines?..is it 2, 1,0, or 3..Explain

Butoxors [25]

Answer:

We show 1 to distinguish a vertex, but with laws of supplementary the answer is 2.

Step-by-step explanation:

7 0

2 years ago

Can you pls helplpl me pls

topjm [15]

The answer is B. I hope this helps

7 0

3 years ago

Help pleaseee! Greatly appreciated if you do

IRINA_888 [86]

36% of 24..... or 0.36 times 24= 8.64
22% of 24......or 0.22 times 24= 5.28

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6 0

2 years ago

The day's high temperature in St. Louis comma Missouri was recorded as 77 degrees' F. Use the formula Upper C=5/9(F-32) to writ

ludmilkaskok [199]

Answer:

The day's high temperature written as degrees Celsius is 25 degrees' Celsius.

Step-by-step explanation:

The day's high temperature in St. Louis ,Missouri was recorded as 77 degrees F.

We are supposed to find the day's high temperature written as degrees Celsius.

Formula : $C=\frac{5}{9}(F-32)$

Substitute the value of F is 77 degrees

So, $C=\frac{5}{9}(77-32)$

$C=\frac{5}{9}(45)$

C=25

Thus, The day's high temperature written as degrees Celsius is 25 degrees' Celsius.

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2 years ago