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mart [117]
3 years ago
9

Which of the following can be used as another name for the quadrilateral ABCD? *

Mathematics
1 answer:
White raven [17]3 years ago
8 0
Option b is the correct answer
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Which sentence about a geometric plane is false?
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Could I have the choices?
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3 years ago
A theater has 56 rows of seats. If there are 13 seats in the first row, 18 in the 2nd row, 23 in the 3rd row. How many seats are
Anna35 [415]

Answer:

8428

Step-by-step explanation:

According to the Question,

  • Given, A theater has 56 rows of seats. If there are 13 seats in the first row, 18 in the 2nd row, 23 in the 3rd row.

We have a number sequence  13, 18, 23, ...

  • We can say that this is an arithmetic sequence because of the common difference 'd', is equal to 5, and the first term 'a1' is equal to 13.
  • The formula for the sum of an arithmetic sequence with n terms is given is S_n= \frac{n}{2} [2a_1+(n-1)d]S .

Substitute the given values into the equation to solve for the sum of the 56 rows of seats.

S_56= \frac{56}{2}[2(13)+(56-1)(5)]\\S_{56}=28\left[26+275\right]\\S_{56}=28\left[301\right]\\S_{56}=8428

Therefore, there are 8428 seats in all.

4 0
3 years ago
Anyone who the answer to this ?
abruzzese [7]
A. Is the answer first choice
5 0
3 years ago
BRAINLIEST FOR THE CORRECT ANSWER What is the slope-intercept equation for the line below?
disa [49]

Answer:

y=-2x-1

Step-by-step explanation:

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The diagram shows the distances of kitchen appliances in feet. What is the range of distances, d, from the range to the refriger
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The correct answer is :

2 < d < 10

Just it....

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

4 0
2 years ago
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