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kupik [55]
3 years ago
10

Please help :( I will mark brainliest.

Mathematics
1 answer:
baherus [9]3 years ago
7 0

Answer:

The value of x is 29.

Step-by-step explanation:

→ The angles arent congruent, they are supplementary.

→ Supplementary angles equals 180 degrees.

→ The equation looks look:

2x - 10 + 4x + 16 = 180

→ Let's solve the equation.

2x - 10 + 4x + 16 = 180 \\ 6x + 6 = 180 \\  \frac{  \:  \:  \:  \:  \: - 6 =  - 6}{ \frac{6x}{6} =  \frac{174}{6}  }  \\ x = 29

→ Therefore, the value of x is 29.

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What is an equation of the line that passes through the point (1,-3) and is perpendicular to the line x+3y=21
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The linear equation that is perpendicular to the line x+3y=21 is:

y = 3*x - 6

<h3>How to find the equation of the line?</h3>

A general line in the slope-intercept form is written as:

y = m*x + b

Where m is the slope and b is the y-intercept.

Two linear equations are perpendicular if the product between the two slopes is equal to -1.

Rewriting the given line we can get:

x +3y = 21

3y = 21 - x

y = 21/3 - x/3

y = (-1/3)*x + 21/3

Then the slope is (-1/3), if our line is perpendicular to this one, then:

m*(-1/3) = -1

m = 3

our line is:

y = 3*x + b

To find the value of b, we use the fact that our line passes through (1, - 3)

-3 = 3*1 + b

-3 - 3 = b

-6 = b

The line is y = 3*x - 6

Learn more about linear equations:

brainly.com/question/1884491

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3 0
1 year ago
A recipe for 48 cookies use 2 and 2/3 cups of biscuit mix how many cookies are made from each cup of cookies
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Answer:

i believe the answer is B

Step-by-step explanation:

make 2 and 2/3 a decimal

2 divided by 3 will give you .6 repeating. just round to .8

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it will give you 17.142

i just rounded it to 18... bc its so close to it

<u>hope this helps :)</u>

5 0
3 years ago
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From the top of a building, 40 feet above the ground, a construction worker locates a rock at a 12° angle of depression. How far
MA_775_DIABLO [31]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

<em />Rate = 1.1/hr<em />

<em />

Step-by-step explanation:

Given

Start = 23

End = 16

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Next, we calculate the hourly rate:

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You have 100 people. 90 have French heritage, 80 have English heritage and 75 have Native American heritage, how many have herit
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3 years ago
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