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Lostsunrise [7]
2 years ago
12

Find u special 4 A. 22‾√ 2 2 B. 4 C. 2 D. 2‾√

Mathematics
1 answer:
vlabodo [156]2 years ago
8 0

The value of u in the special triangle is 2√3

<h3>How to solve for u in the special triangle?</h3>

The complete question is added as an attachment

From the attached figure, the value of u can be calculated using the following sine trigonometry ratio

sin(x) = Opposite/Hypotenuse

Where

x = 30

Opposite = u

Hypotenuse = 4√3

Substitute the known values in the above equation

sin(30) = u/4√3

Multiply both sides of the equation by 4√3

u = 4√3 * sin(30)

Evaluate the trigonometry expression sin(30)

u = 4√3 * 1/2

Evaluate the product

u = 2√3

Hence, the value of u in the special triangle is 2√3

Read more about right triangles at:

brainly.com/question/2217700

#SPJ1

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Y varies directly as x and y=21 when x=6. determine the value of y when x=14
Hitman42 [59]

Answer:

y = 49

Step-by-step explanation:

Given y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 21 when x = 6 , then

21 = 6k ( divide both sides by 6 )

3.5 = k

y = 3.5x ← equation of variation

When x = 14 , then

y = 3.5 × 14 = 49

6 0
2 years ago
3x-4y=8<br> 18x-5y=10<br> What is the answer to this
trapecia [35]

Answer:

x=0;y=-2

Step-by-step explanation:

multiply first equation by 6: 18x-24y=48

Subtract 2nd equation from 1st: -19y=38

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Sub into 1st equation: 3x-4(-2)=8

3x+8=8

3x=0

Therefore, x=0;y=-2

7 0
3 years ago
Blurry but an you help me
Korolek [52]

Answer:

D)5/11

Step-by-step explanation:

So yeah there's 22 balls in total!

Then for the red balls, there are the balls numbered evenly: 6, 8, 10, 12, 14. So there's 5 even balls for red.

Then for the green balls: 8, 10, 12, 14, 16, there are also 5!

5+5=10

10/22

=5/11

The answer is D!

Hoped I helped (P.S. I love math)

8 0
3 years ago
Read 2 more answers
Can someone help me with part b on this question please?
Galina-37 [17]

9514 1404 393

Answer:

  12.0 cm

Step-by-step explanation:

The Pythagorean theorem applies:

  (12 cm)² +b² = (17 cm)²

  b² = (289 -144) cm² = 145 cm²

  b = √145 cm ≈ 12.04 cm

  b ≈ 12.0 cm . . . . rounded to 1 decimal place

8 0
3 years ago
Which expression is equal to : look at picture, i need help
ELEN [110]
I would say 4^0 would be the best answer
6 0
3 years ago
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