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3 years ago

HELP CHECK MY ANSWERS, TY!

Mathematics

2 answers:

Romashka [77]3 years ago

8 0

Answer:

That is correct

Step-by-step explanation:

When doing the math you can find that b and d are correct

Fed [463]3 years ago

7 0

Answer:

Step-by-step explanation:

Here all the statement describing the graph.

1- the cycle of the graph is 2 second.

2- mid-line of the graph is at y=0

3- amplitude is 24 i.e 12 unit + 12 unit

4- ball is traveling 24 cm in 1 sec. I.e. 12 unit in 0.5 sec and another 12 units in 0.5 sec.

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9. A small airplane is 60 miles from the airport and is going down for landing with some angle of depression. However its naviga

Svetradugi [14.3K]

Answer:

13.98 degrees

Step-by-step explanation:

Let the airplane be at point A, the airport at point B and the point of overshoot, point C.

If the plane is on path AC and the pilot wants to adjust to the path AB, the angle by which the pilot will adjust the airplane heading is the angle between AB and AC which is A.

Using Cosine Rule

$Cos A=\dfrac{b^2+c^2-a^2}{2bc} \\Cos A=\dfrac{65^2+60^2-16^2}{2(65)(60)} \\Cos A=0.9704\\A=arcCos (0.9704)\\\angle A=13.98^\circ$

The pilot should adjust the plane's heading by 13.98 degrees.

8 0

3 years ago

NEED HELP DUE AT 11:25

Alja [10]

Answer:

w=p/2-l

Step-by-step explanation:

you have to simplify the equation p=2(l+w).

1) Isolate the variables l and q

p/2=l+w

2) Subtract the length from the width.

p/2-l=w

3) The answer is b, or w=p/2-l

8 0

3 years ago

Which of the following sentences is true?

ASHA 777 [7]

Answer:

1) 8.62≤8.623

7 0

2 years ago

Triangle ABC is translated 2 units down and 1 unit to the left. Then is rotated 90 degrees clockwise about the origin to form Tr

Colt1911 [192]

M∠A′B′C′ = m∠ABC would be the answer for this. if you could give me a pic, I could answer. I don't see Triangle ABC

8 0

3 years ago

Please someone help me with maths

Nata [24]

Answer:

a)= 5x+10

b)= 7y-6

c)= 6x-6

d)= 2x^2+8x-5

e)= 6x+9

f)= 4xy-4y^2+8y

g)= -12y^2+10y

h)= 6x+154

i)= 6x+21

h)= 2x^2+16

6 0

2 years ago

Read 2 more answers