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RideAnS [48]
2 years ago
5

Find the value of x.

Mathematics
1 answer:
Lilit [14]2 years ago
5 0

Answer: 26.5

Step-by-step explanation:

You can turn the second half of the shape into a right triangle, which has 180 degrees. With the right angle, you can set the two angles up to 90 degrees.

x + (3x-16) = 90

4x - 16 = 90

   + 16  + 16

4x = 106

/ 4     / 4

x = 26.5

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Let T: Mmxn(R)Mmxn(R) be the function defined
alexandr402 [8]

Answer:

True. See the explanation and proof below.

Step-by-step explanation:

For this case we need to remeber the definition of linear transformation.

Let A and B be vector spaces with same scalars. A map defined as T: A >B is called a linear transformation from A to B if satisfy these two conditions:

1) T(x+y) = T(x) + T(y)

2) T(cv) = cT(v)

For all vectors x,y \in V and for all scalars c \in R. And A is called the domain and B the codomain of T.

Proof

For this case the tranformation proposed is t: M_{mxn} (R) > M_{nxm} (R)

Where T(A) = A^T

For this case we have the following assumption:

1) The transpose of an nxm matrix is an nxm matrix

And the following conditions:

2) T(A+B) = (A+B)^T = A^T + B^T = T(A) + T(B)

And we can express like this T(A+B) =T(A) + T(B)

3) If A \in M_{mxn}(R) and c \in R then we have this:

T(cA) = (cA)^T = cA^T = cT(A)

And since we have all the conditions satisfied, we can conclude that T is a linear transformation on this case.

5 0
3 years ago
Write y=-3x^2-18x-31 in vertex form
Ahat [919]
-3(x+(3))^2-4 is the answer

8 0
2 years ago
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Cathy Frank 600 mililitros of water at school and another 400 milliliters at home. How many literas of water did Cathy drink?
vaieri [72.5K]
600 ml + 400 ml = 1000 ml

1000 mililiters = 1 liters

Answer: 1 lt
8 0
3 years ago
A garden table and a bench cost $450 combined. The cost of the garden table is two times the cost of the bench. What is the cost
givi [52]
The cost of the bench is $150.

300÷2= 150

150+300= 450

Hope this helps! :)

\(^ ◇^)/
6 0
3 years ago
(3x 8- 5²) + 8<br> A.7<br> B.-5
nydimaria [60]

Answer:

the answer is A:7

Step-by-step explanation:

dont feel like writing it but your welcome

4 0
3 years ago
Read 2 more answers
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