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3 years ago

12

-3. 12=2+

}{2} " align="absmiddle" class="latex-formula">
HURRY solve for x

1 answer:

Kipish [7]3 years ago

4 0

Which one has the variable?

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Old Faithful in Yellowstone National Park shoots water 60 feet into the air that casts a shadow of 42 feet. What is the height o

Rudiy27

It will be 90 feet considering the water triangle as shown as the figure

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2 years ago

a surveyor measures the distance to the two landmarks as shown in the diagram what is the distance d. between the landmarks

Inessa [10]

<h3>The distance between two landmarks is 123 meters</h3>

<em><u>Solution:</u></em>

We have to find the distance between two landmarks

<em><u>Use the law of cosines</u></em>

The third side of a triangle can be found when we know two sides and the angle between them

$c^2 = a^2 + b^2 - 2ab\ cos c$

Here, angle between 90 meters and 130 meters is 65 degrees

From figure,

a = 90

b = 130

c = d

Therefore,

$d^2 = 90^2 + 130^2 - 2(90)(130)\ cos 65\\\\d^2 = 8100 + 16900 - 23400\ cos\ 65\\\\d^2 = 25000 - 23400 \times 0.4226\\\\d^2 = 25000 - 9889.267\\\\d^2 = 15110.73\\\\d = 122.92\\\\d \approx 123$

Thus, the distance between two landmarks is 123 meters

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3 years ago

On a scale drawing, which of the following has a scale of 1:6?

Alexandra [31]

The answer would be D, 2 cm represents 12 cm. 2/12=1/6

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3 years ago

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If all 108 people take 2 biscuits, how many biscuits will you need?

grigory [225]

Answer:

216

Step-by-step explanation:

108 x 2 = 216

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3 years ago

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Rx+9/5=h, Solve for the value of x

muminat

rx+(9/5)=h

rx=h-(9/5)

x=(h-(9/5))/r

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3 years ago