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Sloan [31]
3 years ago
9

A certain flagpole that is 298 feet tall casts a shadow 139 feet long. Find the angle of elevation on the sun.

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0

Answer:

57.6159 round if needed

Step-by-step explanation:

We know the length of the triangle which is 298. We know the base of the triangle which is 189.

We need to find angle of elevation so we must use tangent function.

\tan(x)  =  \frac{298}{189}

Use inverse tan function

\tan {}^{ - 1} ( \frac{298}{189} )  =  57.6159

Round if needed.

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How do you solve this problem (x+5)²​
Yakvenalex [24]

Answer:

x = -5

Step-by-step explanation:

Solve for x:

(x + 5)^2 = 0

Take the square root of both sides:

x + 5 = 0

Subtract 5 from both sides:

Answer:  x = -5

6 0
3 years ago
Based on the information given, can you determine that the quadrilateral must be a parallelogram? Explain. Given XY = WZ and XW
Virty [35]
The best answer is Letter C - Yes, opposite sides are congruent.

If both pairs of opposite sides of a quadrilateral are congruent, then you'll always have two opposite pairs of parallel sides. Congruent<span> means that they measure the same. Since two congruent sides separating the other pair of opposite sides must always keep those opposite lines the same distance apart, then, the opposite sides are also parallel.</span>
8 0
3 years ago
A server makes $200 a week working at a local restaurant. The server saves 35% of the $200 weekly earnings each week for 4 weeks
Lorico [155]

Answer:

He would of saved 455$

Step-by-step explanation:

Because for 4 weeks he saved 35% of 200$ which would be 70 and 70+70+70+70 is 280$ and then he saved 175 dollars on the 5th week because 7/8 of 200 is 175 so 280+175= 455

I hope this helps!

6 0
2 years ago
What is the slope of a line perpendicular to the line:<br><br> y = -2/3x + 5
Rus_ich [418]

1.5

Opposite reciprocal of -2/3

5 0
3 years ago
A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to
aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are  £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

\£1\text{ coins}=\frac{1}{3}\times 255

\£1\text{ coins}=85

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

\text{Value of 50 p coins}=\£0.50\times 110

\text{Value of 50 p coins}=\£55

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

\text{Number of 20 p coins}=255-(85+110)

\text{Number of 20 p coins}=255-(195)

\text{Number of 20 p coins}=60

\text{Value of 20 p coins}=\£0.20\times 60

\text{Value of 20 p coins}=\£12

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

\text{The total value of the coins}=\£85+\£55+\£12

\text{The total value of the coins}=\£152

Therefore, the total value of the coins contained in the bottle is £152.

4 0
3 years ago
Read 2 more answers
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