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Schach [20]
3 years ago
6

Which equation has infinitely many solutions?

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0

Answer:

c

Step-by-step explanation:

i dont really have an explanation but i got it right

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Write the first five terms of the sequence defined by the explicit formula
denis-greek [22]

<u>Answer:</u>

The correct answer option is: 19, 13, 3, -11, -29.

<u>Step-by-step explanation:</u>

We are given the following explicit formula for an arithmetic sequence:

a_n=21-2n^2

So to find the first five terms of this sequence, we will substitute the values of n (num here in the given formula:

a_1=21-2(1)^2\\\\a_1=19


a_2=21-2(2)^2\\\\a_2=13


a_3=21-2(3)^2\\\\a_3=3


a_4=21-2(4)^2\\\\a_4=-11


a_5=21-2(5)^2\\\\a_5=-29

Therefore, the first five terms of the sequence defined by the explicit formula a_n=21-2n^2 are 19, 13, 3, -11, -29.


5 0
3 years ago
Read 2 more answers
The length of a parking lot is 7 yards more than the width.If the area of the parking lot is 98 square yards,find the dimensions
USPshnik [31]
The parking lot is 14 yards long by 7 yards wide.

A = W x L       The formula is ....

L = W + 7        The problem tells us that ...

A = W (W + 7)
A = w^2 + 7w
98 = w^2 + 7x
... continue from there
 
7 0
3 years ago
ABCD is a rectangle. AD = 15, AC = 25, and DC = 20. Find BD.
agasfer [191]

Answer:

20

Step-by-step explanation:

it is the same length as DC just going diagonal.

(i am not good at explaining in case you could not tell)

6 0
3 years ago
If you place a 5 foot ladder against the top of a 4 foot building, how many feet will the bottom of the ladder be from the botto
torisob [31]
I think it’s 1 feet because the tops are touching you have to spread the bottoms apart so it can touch
4 0
3 years ago
Read 2 more answers
A tree measured 12 1/2
maxonik [38]

Answer:4.08 ft a year or 1 and 5/8 feet a year (approx)

Step-by-step explanation:

It's  12.5 feet the first year

51 feet 5 years later

If you do the math and divide 51 by 12.5, you get 4.08 which is around 1 and 5/8 ft

12.5x4.08 is  51 feet.

So the tree grows approximately 1 and 5/8 feet a year

3 0
3 years ago
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