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Nataly_w [17]
2 years ago
8

What is the Square root of -5

Mathematics
2 answers:
lilavasa [31]2 years ago
8 0
The square root of -5

2.23606798

or

-2.23606798
elena-14-01-66 [18.8K]2 years ago
7 0

Answer:

2.23606798 i

or sqrt(-5)

Step-by-step explanation:

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David pays $335 in advance on his account at the gym. Each time he visits the gym , $6 is deducted from the account. Write an eq
Korolek [52]

Answer:

x = 335 - (6 * v)

Step-by-step explanation:

In order to calculate the value remaining, we need to first multiply the daily cost of each visit by the number of visits made to the gym which is represented by the variable (v). Once we have this cost of all the days then we subtract this amount from the current account balance in order to get the new remaining balance which is represented by x.

x = 335 - (6 * v)

7 0
2 years ago
Which of the following expressions can be factored by grouping? (Select all that apply.)
Greeley [361]

Answer:

Options (3), (4) and (5)

Step-by-step explanation:

1). a² - 9a + 7ab + 63b

  = a(a - 9) + 7b(a + 9)

  Now we can not solve this problem further.

  Therefore, can't be factored by grouping.

2). 3a + 4ab - b - 12

   = a(3 + 4b) - 1(b - 12)

   We can't solve it further.

   Therefore, can't be factored by grouping.

3). ab + 6b - 2a - 12

   = b(a + 6) - 2(a + 6)

   = (b - 2)(a + 6)

  We can be factored this expression by grouping.

4). x³ + 9x²+ 7x + 63

   = x²(x + 9) + 7(x + 9)

   = (x² + 7)(x + 9)

   Therefore, the given expression can be factored by grouping.

5). ay² + a - y² - 1

  = a(y² + 1) - 1(y² + 1)

  = (a - 1)(y² + 1)

  This expression can be factored by the grouping method.

Options (3), (4) and (5) are the correct answers.

3 0
3 years ago
Graph 4x minus 2y equals 10
inna [77]
Put it on the graph as 2xy=10!
8 0
2 years ago
The difference between a number and four is multiplied by negative five. The result is twenty. What is the number?
spayn [35]
(n-4)*-5=20           Answer is  n= 8
4 0
3 years ago
Read 2 more answers
the total of 6 pieces of butter and a bag of sugar is 3.8 ib.if the weight of the bag of sugar is 1.4 ib what is the weight of e
Alexxx [7]
Each piece of butter would be .4 lbs each.
7 0
3 years ago
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