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Ganezh [65]
3 years ago
15

Need help on this one (15 pts.)

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0
It is C because you know what ABD equals, and CBD is inside ABD so you would add what you missed from ABD to CBD to get 110 degrees. 
scoundrel [369]3 years ago
5 0
The answer to your question is c
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Twenty times the square of a non-zero number is equal to 20 times the number ! What is the number ?
Shkiper50 [21]
X-the number

20 · x² = 20 · x    |divide both sides by 20

x² = x    |subtract x from both sides

x² - x = 0

x(x - 1) = 0 ⇔ x =0 or x - 1 = 0

Answer: x = 0 or x = 1
7 0
3 years ago
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If A is a 2x2 matrix and B is a 2x1 matrix, what is the dimension of AB?
Mice21 [21]

Answer:

2x2 matrix

Step-by-step explanation:

Given

Dimension of matrices A = 2x2 matrix

Dimension of matrices B = 2x1 matrix

The dimension of matrix AB can be gotten by cancelling the row of matrices 1 and column of matrices 2.

After cancelling both row and column, the remaining dimension will be 2x2 matrix. Hence the dimension of AB is 2x2 matrix

6 0
3 years ago
Executive Limousine rentals charges an initial fee of $200 and $40 per hour that the limousine is in service. Jet Limousine rent
zavuch27 [327]

At 8 hours of service, the two limousine rental companies charge the same amount.

Step-by-step explanation:

Given,

Initial fee of Executive Limousine rental = $200

Per hour charges of service = $40

Let,

x be the number of hours.

E(x) = 40x+200

Initial fee of Jet Limousine rental = $120

Per hour charges of service = $50

J(x) = 50x + 120

For the charges to be same;

E(x) = J(x)

40x+200=50x+120\\200-120=50x-40x\\80=10x\\10x=80

Dividing both sides by 10

\frac{10x}{10}=\frac{80}{10}\\x=8

At 8 hours of service, the two limousine rental companies charge the same amount.

Keywords: function, addition

Learn more about functions at:

  • brainly.com/question/10688256
  • brainly.com/question/10708697

#LearnwithBrainly

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4 years ago
What is shift y = 5x 3 units up.
alukav5142 [94]
Y=5x+3. because your y axis is moved
8 0
3 years ago
Which is closest to the volume of this circular cone?
sineoko [7]
Answer is b hope this helps
4 0
3 years ago
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