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Scorpion4ik [409]
3 years ago
12

M∠QRS=59° and m∠TUV=31° . Which statement is true about ∠QRS and​ ∠TUV ​?

Mathematics
2 answers:
nadezda [96]3 years ago
6 0
The angles are complementary i.e B as they add up to 90
please mark as brainliest
Svetlanka [38]3 years ago
3 0
B the angles are complementary
mark this as brainiest answer please
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What is the area, in square meters, of the trapezoid below
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Answer:

114.12

Step-by-step explanation:

A = (a+b)/2 ×h

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Step-by-step explanation:

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8 0
2 years ago
2 points) Suppose w=xy+yzw=xy+yz, where x=et, y=2+sin(t)x=et, y=2+sin⁡(t), and z=2+cos(3t)z=2+cos⁡(3t). A ) Use the chain rule t
Olenka [21]

Answer:

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

Step-by-step explanation:

First, note that

\frac{\partial x}{\partial t}  = e^{t} \\\frac{\partial y}{\partial t}  = cos(t)\\

And using the chain rule in one variable

\frac{\partial z}{\partial t}  = -3sin(3t)

Now remember that the chain rule in several variables sates that

\frac{\partial w}{\partial t}  = \frac{\partial w}{\partial x} * \frac{\partial x}{\partial t} + \frac{\partial w}{\partial y} * \frac{\partial y}{\partial t} + \frac{\partial w}{\partial z} * \frac{\partial z}{\partial t}

Therefore the chain rule in several variables would look like this.

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

6 0
3 years ago
Read 2 more answers
A collection of dimes is arranged in a triangular array with 17 coins in the base row, 16 in the next, 15 in the next, and so fo
Alona [7]

Good evening ,

Answer:

<h2>153 dimes.</h2>

Step-by-step explanation:

1+2+3+...+17 =  (17×18)/2 = (17×18)÷2 = 153 dimes.

it’s the sum of 17 terms of a geometric series.

:)

8 0
2 years ago
Read 2 more answers
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