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Pachacha [2.7K]
3 years ago
12

20 points! PLEASE HELP!!!

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

\frac{8}{2x} =\frac{x}{6} \\2x^{2} =8 \times 6\\x^{2} =24\\x= \pm 2\sqrt{3} \\BD=2 \sqrt{3}\\FG=2 *2 \sqrt{3}=4\sqrt{3}

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Please help find the value of x and show me steps so I can try to learn it!!
fiasKO [112]

Answer:

x = 30

Step-by-step explanation:

If we take a look at the given picture, we can see that both sides are almost completely identical, so they must almost have the same value.

Let us do the plug in. Keep in mind that the angle is obtuse, meaning over 90 degrees, and angle identical or lower than 90 is incorrect.

x=18

(x + 90)°

(18 + 90) = 108

True.

4x

4(18) = 72

False. Meaning the 18 would not work.

x = 22.5

(22.5 + 90) = 112.5

True.

4(22.5) = 90

False. Meaning that 22.5 does not work.

x = 30

(30+90) = 120

True.

4(30) = 120

True. Meaning that 30 is the answer and can work.

x = 54

(54+90) = 144

True.

4(54) = 216

False. Although the angle is larger than 90, 180 is a straight line, and we can see that the angles given are not straight lines or greater.

5 0
3 years ago
What is the slope of the line represented by the equation y = –x + ?<br><br> –<br> –
Nina [5.8K]
Slope according to this information would be -1, x is your slope and there is -1 x. 
7 0
3 years ago
Read 2 more answers
Amani purchased a prepaid phone card for $15. Long distance calls cost 19 cents a minute using this card. Amani used her card on
Iteru [2.4K]

Subtract the balance from the original amount:

15 - 12.34 = 2.66

Now divide the amount spent by price per minute:

2.66 / 0.19 = 14

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7 0
3 years ago
Solve - 2/5x is less than or equal to 20
sashaice [31]

Answer:

x is less than or equal to 0

Step-by-step explanation:

- you need to multiply both sides of the inequality by 5/2

- then you reduce the numbers with the greatest common factor 5

- then you reduce the numbers with the greatest common factor 2

- any expression multiplied by 0 equals 0

- so you get x is less than or equal to 0

^^^ hope this helps! :)

8 0
3 years ago
Use the distributive property to evaluate 4(2x – 1) when x = 5.<br> O4<br> O 39<br> O 32<br> O 36
bekas [8.4K]
36. 4(2(5)-1). 4(10-1) 4(9)
3 0
2 years ago
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