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givi [52]
3 years ago
5

What number must be added to the polynomial to complete the square? Use the slash mark ( / ) as a fraction bar if necessary.x2 +

x
Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0
X does not equal one but there is 1x in the problem so  it is 1.
So.. to complete the square you always take 1/2 of that number.

so half of 1 is 1/2.
Then you square that number 1/2 * 1/2 = 1/4 <span>
</span>
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Which statement about proportional relationships is false?
DanielleElmas [232]

Answer:

Each point (or pair) in a proportional relationship must share the same difference is the false statement.

6 0
2 years ago
Find the value of the expression 12.325-(2.34*3.9)
VLD [36.1K]
12.325-(2.34x3.9)
12.325-(9.126)
3.199 ~3.2
8 0
3 years ago
Use sigma notation to represent the sum of a geometric series with a first term of 3 and a common ratio of . A. B. C. D.
maksim [4K]

Answer:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

Step-by-step explanation:

A geometric sequence is a list of numbers having a common ratio. Each term after the first is gotten by multiplying the previous one by the common ratio.

The first term is denoted by a and the common ratio is denoted by r.

A geometric sequence has the form:

a, ar, ar², ar³, . . .

The nth term of a geometric sequence is ar^{n-1}

Therefore the sum of the first n terms is:

\Sigma_{k=1}^{n}(ar^{k-1})

Given a geometric series with a first term of 3 and a common ratio of 10/9, the sum of the first n terms is:

\Sigma_{k=1}^{n}[3(\frac{10}{9} )^{k-1}]

5 0
3 years ago
The area of a rectangle is (4x2 − 49y2) square units. Determine the dimensions of the rectangle by factoring the area expression
Pani-rosa [81]

Answer:

8x

Step-by-step explanation:

(4x^{2} - 49y^{2} ) = (2x+7y)(2x-7y)

4 0
3 years ago
D’Andra has a dentist appointment in 5 weeks. There are 7 days in a week. How many days are in 5 weeks?
Lisa [10]

Answer:

A. 35

Step-by-step explanation:

Each week has 7 days, and we have 5 weeks.

Week 1 has 7 days.

Week 2 has 7 days.

Week 3 has 7 days.

Week 4 has 7 days.

Week 5 has 7 days.

We can add all these together to get the total number of days: 7 + 7 + 7 + 7 + 7 = 7 * 5 = 35.

Thus, the answer is A.

Hope this helps!

8 0
3 years ago
Read 2 more answers
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