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Bezzdna [24]
3 years ago
6

The diagonals of a kite have lengths of 4 inches and 9 inches. Find the area of the kite. The area is square inches​

Mathematics
1 answer:
elixir [45]3 years ago
7 0

Answer:

Step-by-step explanation:

area=(4×9)÷2=18 inch²

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Find the area of the triangle. be sure to include the correct unit in your answer.
Lera25 [3.4K]

Answer:

32

Step-by-step explanation:

base multiplied by the height divided by 2

3 0
2 years ago
A sinusoidal carrier wave has an amplitude of 5 volts, a frequency of 1MHz, and zero phase angle. Select the correct carrier wav
Vedmedyk [2.9K]

Answer:

The correct answer is b.

Step-by-step explanation:

The wave equation is given generally as:

c(x, t) = Acos(kx - wt)

Where A = amplitude

k = wave number

w = angular frequency.

x = horizontal distance moves by the wave.

t = time

The options show to us that the wave depends only on t and not (x, t).

Hence, the wave equation becomes:

c(t) = Acos(wt)

Given that:

A = 5 V

f = 1 * 10⁶ Hz

Angular Frequency, w, is given as:

w = 2πf

w = 2 * π * 1 * 10⁶ Hz

w = 2π(1 * 10⁶)

The wave equation becomes:

c(t) = 5cos(2*π*1*10⁶)

The correct answer is b.

6 0
3 years ago
Use the diagram shown to find x.
marusya05 [52]
X would equal 70°.

For every triangle, all interior angles add up to 180°. This means that we can add together 42 and 68 to get 110°. Because the sum of all interior angles in a triangle must be 180°, we subtract 110 from 180 to see how much more we need, which gets us 70°.

I hope this helps!
6 0
3 years ago
Read 2 more answers
The circumstances of a circle is 15 π centimeters. What is the area of the circle in terms of π?
zalisa [80]

Answer:

17.90493 is the area

Step-by-step explanation:

8 0
3 years ago
Find value of the variables#7
RideAnS [48]
Because of exterior angles theorem, y=39+65, so y=104
x and y are a linear pair, so they add up to 180. x=180-104, x=76
all angles in a triangle add up to 180, so 21+104+z=180. therefore, z=55

y=104
x=76
z=55
3 0
3 years ago
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