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Reika [66]
3 years ago
9

Solve using any method. 2 x^2 + x - 5 = 0

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0

if you meant: x^2 + x - 5 = 0

1.792 = x, although i could be wrong, its the only answer i found

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The perimeter of a rectangle is 200 yards. What are the dimensions of the rectangle if the length is 60 yards more than the​ wid
puteri [66]

Answer:

L=80

W=20

Step-by-step explanation:

Perimeter = 2×L+2×w

L=w+60

Perimeter - 2×60 = 4×w

200-120 = 80

80/4= w = 20

L=w+60 = 80

8 0
3 years ago
A flagpole broke in a storm. It was originally 81 8181 feet tall. 28 2828 feet are still sticking straight out of the ground, wh
solong [7]

Answer:

The end of the flagpole is 50.79 ft away from the base of the pole.

Step-by-step explanation:

The problem is represented by the diagram below.

The broken flagpole forms the shape of a right angled triangle. We need to find one of the sides of the triangle, the adjacent (x).

The hypotenuse is the broken part of the flagpole (53 ft), while the opposite is the part of the flagpole that is still stuck to the ground (28 ft).

Using Pythagoras theorem, we have that:

hyp^2 = adj^2 + opp^2

=> 53^2 = x^2 + 28^2

3364 = x^2 + 784\\\\=> x^2 = 3364 - 784\\\\x^2 = 2580\\\\x = \sqrt{2580}\\ \\x = 50.79 ft

The end of the flagpole is 50.79 ft away from the base of the pole.

7 0
3 years ago
Dr black is standing 13 feet from a streetlamp. The lamp is making his shadow 9 feet long. He estimates that the angle of elevat
natta225 [31]

Dr black is standing 13 feet from a streetlamp. The lamp is making his shadow 9 feet long. He estimates that the angle of elevation from the tip of his shadow to the top of the streetlamp is 50° to the nearest foot the streetlamp is about  26 feet tall.

I hope this helps!

4 0
3 years ago
The stock price of the company was $38. The stock price fell to $12.60. Which is the closest to the percent decrease in this sto
Nonamiya [84]

Answer:

66.8421% decrease

Step-by-step explanation:

6 0
3 years ago
:) got to love math lol
zzz [600]
Oof im bad at math XD
7 0
3 years ago
Read 2 more answers
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