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sertanlavr [38]
3 years ago
14

QUESTION AND DIAGRAM IN PICTURE CORRECT ANSWER = BRAINLIEST

Mathematics
2 answers:
insens350 [35]3 years ago
7 0
It’s a or c I believe
hoa [83]3 years ago
5 0
<h3>Answer: Approximately 4.47 km</h3>

The exact answer is 2*sqrt(5) but I figured it makes more sense to represent distance in terms of the approximate value. Round that however you need to. Your teacher may or may not want you to include the units, so be sure to ask.

=============================================================

Explanation:

This is similar to the previous question I answered earlier. Draw a vertical line straight down from point X until you reach line YZ. Mark point W on this vertical line, and that's also on line YZ.

Point W is the midpoint of YZ, which cuts it in half.

Let's focus on triangle WXY. It's horizontal leg is 8/2 = 4 km. Let a = 4.

For that same triangle, the vertical leg is unknown. We'll call it h. So b = h.

The hypotenuse of this right triangle is YX = 6 km. Let c = 6.

---------------

We have

  • a = 4
  • b = h
  • c = 6

Use the pythagorean theorem from here

a^2 + b^2 = c^2

4^2 + h^2 = 6^2

16 + h^2 = 36

h^2 = 36-16

h^2 = 20

h = sqrt(20)

h = sqrt(4*5)

h = sqrt(4)*sqrt(5)

h = 2*sqrt(5) ..... exact

h = 4.47213595  ..... approximate

h = 4.47 km

The distance is roughly 4.47 km

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Simplify: sin^2xcos^2x-cos^2x
shtirl [24]

Answer:

-cos^4(x)

Step-by-step explanation:

Step 1: Use the Pythagorean identity : 1=cos^2(x) + sin^2(x)

1-sin^2(x) = cos^2(x)

-1+sin^2(x) = -cos^2(x)

cos^2(x) (-cos^2(x))

Step 2: Factor out common terms cos^2(x)

cos^2(x) (sin^2(x)-1)

Ans: -cos^4(x)

8 0
2 years ago
To make 1000 containers of ice cream you need: 600 units of milk, 275 units of cream, and 120 units of flavor. Each ingredient i
jasenka [17]

Answer:

It will take 20 minutes to pump out 1000 unit milk tank

Step-by-step explanation:

The pump on the milk tank pumps milk out at a rate of 50 units per minute,

1 minute = 50 units

x minutes = 1000 units

Using the  unitary method x= = 1000*1/50=  20 minutes

It will take 20 minutes to pump out 1000 unit milk tank

8 0
3 years ago
An observer for a radar station is located at the origin of a coordinate system. Find the bearing of an airplane located at the
AfilCa [17]

Answer:

135 degrees

S45^{0}E

Step-by-step explanation

Consider the attached diagram

we are required to find the bearing of the aeroplane,

Consider the right angled triangle BOE

|OB|=4 unit

|AB|=4 Units

Tan \alpha =\frac{Opposite}{Adjacent} =\frac{4}{4} \\\\\alpha=Tan^{-1} 1=45 degrees

The Bearing of the Aeroplane is therefore given:

(i)From North Clockwise as: 90+45 =135 degrees

(ii)From a North South Line as S45^{0}E

6 0
3 years ago
Could some help thank you
Andrews [41]

Answer:

To calculate the volume of a cylinder, you need the radius or diameter of the circular base or top and the height of the cylinder. The volume of a cylinder is equal to the product of the area of the circular base and the height of the cylinder. The volume of a cylinder is measured in cubic units.

6 0
2 years ago
What is y+8=-5(x+3) in standard form
Papessa [141]

Answer:

-5x + y = -27

Step-by-step explanation:

Equation: y+8 = -5(x+3)

Standard form is (ax + by = c)

We have to get x and y and their coefficients over to the left side of the equation, and all the single numbers to the right side.

y + 8 = -5 (x + 3)

y + 8 = -5x -15

y = -5x - 27

THE ANSWER IS :

-5x + y = -27

5 0
3 years ago
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