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gulaghasi [49]
3 years ago
15

Plss help ! I will give you brainliest

Mathematics
2 answers:
Lady_Fox [76]3 years ago
8 0

Answer:

16 + -16 -4 ( 20 ) - 6)

Step-by-step explanation:

here is answer

Virty [35]3 years ago
5 0

Answer:

16 + -16 -4 ( 20 ) - 6)

Step-by-step explanation:

Please mark me brainliest

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Jack is flying his kite . He runs 100 feet away from his house and lets out 45 feet of string . The angle of elevation from the
fiasKO [112]

Answer: 125.80 ft

Step-by-step explanation:

Asuming the described situation is as shown in the figure below, we need to find the distance h between the kite and Jacks house, but first we need to find the x, y and then d.

How?

We will use trigonometry, especifically the trigonometric functions sine and cosine:

For y:

sin(65 \°)=\frac{y}{45 ft} (1)

Where y is the opposite side to the angle and 45 ft the hypotenuse.

Isolating y:

y=40.78 ft (2)

For x:

cos(65 \°)=\frac{x}{45 ft} (3)

Where x is the adjacent side to the angle.

Isolating x:

y=19.017 ft (4)

Finding d:

d=x+100 ft (5)

d=19.017 ft +100 ft

d=119.017 ft (6)

Now that we have found these values, we have to work with a bigger triangle, where the hypotenuse is the distance between the kite and Jack's house h and the sides are the values calculated in (4) and (6).

So, in this case we will use the <u>Pithagorean theorem</u>:

h^{2}=y^{2} +d^{2} (7)

Isolating h and writing with the known values:

h=\sqrt{y^{2} +d^{2}} (8)

h=\sqrt{(19.017 ft)^{2} +(119.017 ft)^{2}} (9)

h=125.80 ft This is the distance between the kite and the house

3 0
3 years ago
Write the polynomial in standard form: x^2+4-3x
Sonbull [250]

Answer:

x^2-3x+4

Step-by-step explanation:

6 0
3 years ago
What is 490.63 divided by pi?
torisob [31]

Answer:

156.172379458

just went to calculator lol

7 0
3 years ago
Read 2 more answers
If f(x)=4x-12 what is f(2)
Free_Kalibri [48]

Answer:

-4

Step-by-step explanation:

plug 2 into the equation.

f(2)=4(2)-12

    = 8-12

    = -4

I hope this helped!

4 0
3 years ago
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What is the probability that you will receive 1 heads flipping 4 coins?
ivanzaharov [21]

Answer:

the probablity is 2:4.

Step-by-step explanation:

since there's only 2 sides. there will be a 50% chance.

8 0
3 years ago
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