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3 years ago

Please answer! Solve for X

Mathematics

2 answers:

Sedbober [7]3 years ago

4 0

Answer:

x = 3

Step-by-step explanation:

We can solve this by using ratios of similar triangles

3 x

------ = ------------

3+9 12

3 x

------ = ------------

12 12

x must equal 3 to keep the ratios the same

trapecia [35]3 years ago

3 0

Answer: x = 3

Step-by-step explanation:

The question involves two triangles,

Big triangle AED,

small triangle ABC.

Both triangles are similar and

AED has base of 9 + 3 = 12 and heught of 12

ABC has base of 3 and height of x

To find x we equate the ratios of their height to their base

x/3 = 12/12

x/3 = 1

x = 3

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Paul purchased 3 video games for $17.25 each. Which expression is the best choice to help him determine the total amount of mone

mr_godi [17]

Answer:

The answer is C or (3) × (17.25) = 51.75; He spent $51.75.

Step-by-step explanation:

i say this because 17.25 time 3 equal 51.75

6 0

3 years ago

5.1(3 + 2.2x) > –14.25 – 6(1.7x + 4)?

MaRussiya [10]

Answer:

x > -2.5

Step-by-step explanation:

1) 5.1 (3 + 2.2x) > -14.25 - 6 (1.7x + 4)

2) 15.3 + 11.22x > -14.25 - 10.2x - 24

3) 15.3 + 11.22x > -38.25 - 10.2x

4) 11.22x + 10.2x > -38.25 - 15.3

5) 21.42x > -53.55

6) x > -2.5

Alternate forms

x > -5/2x or x > -2 1/2

5 0

3 years ago

Can somebody help me with this?

Natasha_Volkova [10]

Step-by-step explanation:

Hey there!

By looking through figure, l and m are parallel lines and a transversal line passes through the lines.

Now,

7x + 12° = 12x - 28°( alternate angles are equal)

12°+28° = 12x - 7x

40° = 5x

$x = \frac{40}{5}$

Therefore, x = 8°

Now,

12x - 28° + 9y - 77 = 180° ( being linear pair)

12×8° - 28° + 9y -77° = 180°

96° - 28° + 9y - 77° = 180°

-9 + 9y = 180°

9y = 180° + 9°

y = 189°/9

Therefore, y = 21°

Therefore, X = 8° and y= 21° .

Hope it helps....

4 0

3 years ago

Find the volume (Don't forget your UNITS) *

Radda [10]

Answer:

135 cm³

Step-by-step explanation:

To find volume: you multiply length*width*height

2. $l*w*h$

3. 6*5*4 1/2

4. 6*5=30

5. 30*4 1/2=135

6. 135 cm³

Hope this helped!! :)

Stay safe and have a wonderful day/night!!!!!

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2 years ago

What is 150% of 5000? Round to the nearest hundredth (if necessary).

sveticcg [70]

The answer is 7,500 because 150% is the same as 1.5 x 5000.

5 0

3 years ago