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ch4aika [34]
3 years ago
8

Work out the value of x

Mathematics
1 answer:
just olya [345]3 years ago
6 0

Step-by-step explanation:

4x+5x=180 (allied angles)

9x=180

x=180/9

x=20

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<img src="https://tex.z-dn.net/?f=9%20%5Cdiv%202.43" id="TexFormula1" title="9 \div 2.43" alt="9 \div 2.43" align="absmiddle" cl
blsea [12.9K]
Is this a question? Nine divided by 2.43 is 3.703703703703703703
3 0
3 years ago
A given line has the equation 10x 2y=−2 . what is the equation, in slope-intercept form, of the line that is parallel to the giv
aivan3 [116]

The equation, in slope-intercept form, of the line that is parallel to the given line and passes through the point (0, 12) is y = -5x + 1

<h3>Equation of a line</h3>

A line is the distance between two points

Given the equation of a line expressed as 10x + 2y = -2. Determine the slope

2y = -10x -2

y = -5x - 1

Slope of the line is -5

The equation of a line in point-slope form is y - y1 = m(x-x1)

Substitute the point and the slope of the parallel line

y - 12 = -5(x  - 0)
y - 12 = -5x
y = -5x + 12

Hence the equation, in slope-intercept form, of the line that is parallel to the given line and passes through the point (0, 12) is y = -5x + 12

Learn more on equation of a line  here: brainly.com/question/13763238

#SPJ4

3 0
2 years ago
How do you solve this
Dmitriy789 [7]

By definition of the trig functions,

\sin30^\circ=\dfrac y{16}

\cos30^\circ=\dfrac x{16}

We have \sin30^\circ=\dfrac12, so y=8, and \cos30^\circ=\dfrac{\sqrt3}2, so x=8\sqrt3.

Just to check: we should have

x^2+y^2=16^2

by the Pythagorean theorem. Indeed,

8^2+(8\sqrt3)^2=4\cdot8^2=2^2(2^3)^2=2^8=(2^4)^2=16^2

6 0
4 years ago
having a blonde moment here lol. harvey is 3 times as old as jane. the sum of their ages is 48. find the age of each​
GarryVolchara [31]

Answer: could be wrong but I believe that their age is 24. Hope it helps

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
the length of a rectangle piece of paper is 20 cm and the breadth is 10 cm. if this paper has to be separated into square shaped
luda_lava [24]
The best way ( meaning, the way that results squares with the biggest areas ) is to cut it in 2 squares with the lenght of 10cm. Then, the area is 10*10 cm = 100 cm^2

Why cut it like this? We find the highest number that divides both 20 and 10, in this case it's 10. Then, we can cut squares with the lenght of 10 cm. But we have a rectangle with the area of 20*10=200 cm^2 , and we cut squares of 10*10=100cm^2. 200/100=2. So we cut 2 squares Also, you could say that it's because the simmetry line cuts the rectangle in 2 other simetrical rectangles, which in this case, happen to be squares.
5 0
4 years ago
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