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Anvisha [2.4K]
3 years ago
12

If m∠ABC = 72°, what is m∠DAB? A) 72° B) 108° C) 144° D) 216°

Mathematics
2 answers:
11111nata11111 [884]3 years ago
3 0
The answer would be B
What you would do is 180-72= 108 degrees
lutik1710 [3]3 years ago
3 0

B) 108°

Answer:

B) 108°

Step-by-step explanation:

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Consider the functions below. f(x, y, z) = x i − z j + y k r(t) = 4t i + 6t j − t2 k (a) evaluate the line integral c f · dr, wh
fredd [130]

With

\vec r(t)=4t\,\vec\imath+6t\,\vec\jmath-t^2\,\vec k

we have

\mathrm d\vec r=(4\,\vec\imath+6\,\vec\jmath-2t\,\vec k)\,\mathrm dt

The vector field evaluated over this parameterization is

\vec f(x,y,z)=\vec f(x(t),y(t),z(t))=4t\,\vec\imath+t^2\,\vec\jmath+6t\,\vec k

so the line integral is

\displaystyle\int_{-1}^1(4t\,\vec\imath+t^2\,\vec\jmath+6t\,\vec k)\cdot(4\,\vec\imath+6\,\vec\jmath-2t\,\vec k)\,\mathrm dt

=\displaystyle\int_{-1}^1(16t+6t^2-12t^2)\,\mathrm dt=-4

6 0
3 years ago
What is the volume of the right rectangular prism?
dedylja [7]

Answer:

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Step-by-step explanation:

length times width times height so 4 times 5 times 7 equals 140

6 0
3 years ago
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Yo guys plz help me with this i need it for my homework
Vanyuwa [196]

Answer: For a is 19/15 or 1 4/15

for b  I have no clue

Step-by-step explanation:  add 3/5 and 2/3

you will get 19/15. In mixed fraction is 1 4/15

4 0
3 years ago
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How many pairs of prime numbers have a sum of 24?​
Kitty [74]

Answer:

Three pairs of prime numbers exist: 5 + 19 = 24, 7 + 17 = 24, 11 + 13 = 24.

Step-by-step explanation:

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5 0
3 years ago
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The length of the box is 2x - 2 and the width is x - 5. Find the perimeter. (HINT: p= 2L + 2W) Choose one.
trasher [3.6K]

Answer:

Option D: 6x-14 is the correct answer.

Step-by-step explanation:

Given that:

Length of the box = L = 2x-2

Width of the box = W = x-5

Perimeter is defined by the sum of length of all sides of the box.

Perimeter of the box = P = 2L + 2W

Perimeter of box = 2(2x-2) + 2(x-5)

Perimeter = 4x-4+2x-10

Perimeter = 6x-14

The perimeter of the box is 6x-14.

Hence,

Option D: 6x-14 is the correct answer.

6 0
3 years ago
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