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monitta
3 years ago
5

Help bruhhhhhhhhhhhhhh

Mathematics
2 answers:
Anestetic [448]3 years ago
6 0

Answer:

the answer is the third answer on the picture

Step-by-step explanation:

labwork [276]3 years ago
5 0

Answer:

3 times the difference of x and 8

Step-by-step explanation:

3 is being multiplied by (x-8)

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Work out the area of this circle. Take pie to be 3.142 and give your answer to 2 decimal places.

Step-by-step explanation:

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The number of likes a social media post has gotten is modeled by the exponential
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j

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Which of the following best approximates the line of best fit ?
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A

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a as it gives the best fit

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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
Which fractions are equalvalent to 40%
olga2289 [7]

Answer:

4/10, 2/5, 8/20

Step-by-step explanation:

if you divide all of these numbers you get .4 which is equivalent to 40%

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