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svetoff [14.1K]
3 years ago
10

Substitution for -3x+y=-9

Mathematics
1 answer:
shtirl [24]3 years ago
4 0

Answer:

y=3x-9

Step-by-step explanation:


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Consider the division expression 712÷2. Select all multiplication equations that correspond to this division expression.
Salsk061 [2.6K]

Answer:

Step-by-step explanation:

You have not provided any equations to choose from.

712÷2 = 712×½

6 0
3 years ago
Read 2 more answers
. The daily sales at a convenience store produce a distribution that is approximately normal with a mean of 1220 and a standard
rewona [7]

Answer:

0.78015

Step-by-step explanation:

Given that :

Mean, μ = 1220

Standard deviation, σ = 110

Probability that sales is less Than 1305 on a given day

P(x < 1305) :

Obtain the standardized score Z

Z = (x - μ) / σ

Z = (1305 - 1220) / 110

Z = 85 / 110

Z = 0.7727272 = 0.7727

P(Z < 0.7727) = 0.78015 (Z probability calculator)

6 0
3 years ago
In numeric storage, a cross-reference is filed in the a. alphabetic index. b. accession log. c. numbered file. d. Both a and b
Lera25 [3.4K]

Answer:

A- Alphabetic index

Step-by-step explanation:

An alphabetic index is a reference to a numeric file. It is alphabetically organized to allow easy location when the assigned number is not known.

An alphabetic index is important in numeric storage because, with it, rapid retrieval of a record is possible. The index uses names and subjects to code for a numeric record. These subjects serve as codes for either each file or a group of files, sorting the information base in an organized format. Names or just single letters could be used in the index as the code for the numeric record strorage.

When trying to locate a file, the alphabetic code used for the numeric information or the group of files, is the first source assessed. The alphabetic index of records is best kept in a single location to avoid a search in multiple locations, complicating the retrieval of a record.The index should be kept valid by ensuring it is up-to-date and is accurate.

5 0
4 years ago
Please simplify: 3^10/3^6
Kaylis [27]

Answer: 81

Step-by-step explanation:

3^10= 59,049

3^6=729

59049/729=81

7 0
3 years ago
Graph the hyperbola with equation quantity x plus one squared divided by nine minus the quantity of y plus four squared divided
Len [333]

Answer:

I had graphed your equation.

I recommend the website desmos.com for graphing online.

Have a nice day.

6 0
3 years ago
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