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Lyrx [107]
3 years ago
8

Q8: These Triangles are similar. What is the value of X?

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0

Answer:

The answer to your question is x = 15

Step-by-step explanation:

Use proportions to solve this problem

                              \frac{x}{20} = \frac{12}{16}

Solve for "x"

                                          x = \frac{12(20)}{16}

Simplification

                                          x = \frac{240}{16}

Result

                                         x = 15                                                  

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Simplify the expression -3z(1.8z-2.2).
alexdok [17]

Answer:

- 5.4z {}^{2}  + 6.6z

Step-by-step explanation:

Given:

-3z(1.8z-2.2)

Solution:

Applying Distributive property,we obtain

  • (−3z)(1.8z)+(−3z)(−2.2)

Simplifying using PEMDAS:

  • - 5.4z {}^{2}  + 6.6z

Done!

5 0
2 years ago
Find the slope of the line in the image below.
LenKa [72]

Solution:

<u>It should be noted:</u>

  • Slope = Rise/Run

<u>Using the formula:</u>

  • Slope = Rise/Run
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Correct option is A.

3 0
2 years ago
Round the fraction to 0, 1/2, or 1.<br><br><br><br> 9/10
marishachu [46]

Answer:

round to 1

Step-by-step explanation:

it is closest to 1 so it wouldnt make sense to round to a number farther away

4 0
3 years ago
Can you guys help me again lol-
BartSMP [9]

Answer:

$93 per hour ?

125-405 = 280

280÷3= 93 per hour

4 0
3 years ago
Read 2 more answers
1.The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD? 2.The equation of line A
gogolik [260]
So here's how to do it,
slope intercept form is y=mx+b
m is the slope, b is the y- intercept, X is your unknown variable.

you need to solve to get y by its self to get your slope.

for perpendicular lines flip the slope

ex 1, smy=2x+6 --- slope of a perpendicular line will be 1/2

ex 2, y=3/2+8 ---8 perpendicular lien would have a slope of 2/3

parallel lines have the same slope so any equation with with the same slope will be parallel if it has the same degree.

ex. y=2x+14 is parallel to y= 2x+56

slope can be found using the following formula if you have two sets of points on the same line

m= y2-y1 ÷ X2 - X1
5 0
2 years ago
Read 2 more answers
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