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Anarel [89]
4 years ago
12

Evaluate each expression |18|

Mathematics
1 answer:
igor_vitrenko [27]4 years ago
4 0
That equals 18 since the distance from zero is 18.


Hope i'm the brainliest!
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Grayson is flying a kite, holding his hands a distance of 2.75 feet above the ground and letting all the kite’s string play out.
sergiy2304 [10]

The position of the kite with the point directly beneath the kite at the same

level with the hand and the hand for a right triangle.

  • The height of the kite above the is approximately <u>66.314 feet</u>.

Reasons:

The height of his hands above the ground, h = 2.75 feet

Angle of elevation of the string (above the horizontal), θ = 26°

Length of the string, <em>l</em> = 145 feet

Required:

The height of the kite above the ground.

Solution:

The height of the kite above the ground is given by trigonometric ratios as follows;

\displaystyle Height \ of \ kite, \, k_h = \mathbf{h + l \times sin(\theta)}

Therefore;

\displaystyle Height \ of \ kite, \, k_h = 2.75 + 145 \times sin(26^{\circ}) \approx \mathbf{66.314}

The height of the kite above the, k_h ≈ <u>66.314 feet</u>

Learn more about trigonometric ratios here:

brainly.com/question/9085166

8 0
3 years ago
A car travels 182 kilometers in 4 hours with the constant speed. how much time will it take traveling 42 kilometers
Schach [20]

Answer:

55.38 min

Step-by-step explanation:

A car travels,

182 km ⇒ 4 hours

And we have to find the time that it takes to travel 42 km .

Lets make a equation.

Let the unknown time be x

182 km ⇒ 4 hours

42 km ⇒ x

To make easy let's km in to meters and hours in to minutes

182000 m ⇒ 240 min

42000m ⇒ x

Now use cross multiplication.

182000x=240*42000\\

182000x=10080000

\frac{182000x}{182000} =\frac{1008000}{182000}

x =55.38min

Hope this helps you.

Let me know if you have any other questions :-)

6 0
3 years ago
Use the zero product property to find the possible solutions to the equation x2 – 13x + 30 = 0.
7nadin3 [17]

x² - 13x + 30 = 0


Factorise:

(x - 3) (x - 10) = 0


Apply zero product property:

x - 3 = 0 or x - 10 = 0


Evaluate:

x = 3 or x = 10


Answer: x = 3 or x = 10

7 0
4 years ago
Read 2 more answers
Which net<br> Is NOT from this solid? Thanks in advance.
evablogger [386]

I would say C. is the correct answer

7 0
3 years ago
Read 2 more answers
Find the values of x and y<br><br> x=42, y=26.3<br> x=47, y=30<br> x=42, y=30<br> x=47, y=26.3
olga55 [171]

Answer:

x = 42, y = 30

Step-by-step explanation:

From the given figure, we have to find the value of x and y.

The measurement of an angle on a straight angle is 180 degrees.

Using this concept, we have

3y+5+2x+1=180\\3y+2x=174....(1)

Now, we know that the sum of consecutive interiors angles is 80 degrees. Hence, we have

3y+5+85=180\\3y+90=180\\3y=90\\y=30

Plugging the value of y in equation (1)

3(30)+2x=174\\90+2x=174\\2x=84\\x=42

Hence, the values of x and y are

x = 42, y = 30

3 0
3 years ago
Read 2 more answers
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