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Sliva [168]
3 years ago
6

Factor: -49x^2+ 7y^2 + 133

Mathematics
1 answer:
prisoha [69]3 years ago
5 0

Answer:

-7 (7x^2-y^2-19)

Step-by-step explanation:

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Match the vocabulary word with the correct definition. 1. inverse operations terms that have the same variable(s), with each var
Licemer1 [7]

Answer:

inverse operations is with oppisite operations that undo each other.

open circle is circle not filled in to show that the point is a border value and is not included as part of the solution set.  

like terms is terms that have the same varible raised to the same exponent.

ordered pair is a group of two numbers written in the form (x, y) where the x value represents a horizontal position.

the last one numeric expressions is an expression involving only constants

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP ME WITH THIS ONE ASAP THANKS (will mark brainlest)
jeka57 [31]
The answer is 8000 meters I think
4 0
3 years ago
Cd’cost 12.95 and tapes cost 7.95 What is the cost of 2cd’s and 1tape
fgiga [73]

Answer:

$33.85

Step-by-step explanation:

12.95 x 2 = 25.9

25.9 + 7.95 = 33.85

8 0
3 years ago
Read 2 more answers
Which term in the quotient of this expression contains an error?
Savatey [412]

Answer:

The + 78 :-  it should be + 60.

Step-by-step explanation:

Long division:-

x - 3 )4x^4 - 6x^3 + 0x^2 + 6x + 3 ( 4x^3 + 6x^2 + 18x + 60 <--- Quotient.

         4x^4 - 12x^3

                      6x^3 + 0x^2

                       6x^2 - 18x^2

                                   18x^2 + 6x

                                    18x^2 - 54x

                                                 60x + 3

                                                  60x - 180

                                                              183

7 0
3 years ago
The Boston public school district has had difficulty maintaining on-time bus service for its students ("A Year Later, School Bus
erma4kov [3.2K]

Answer:

Step-by-step explanation:

We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean

For the null hypothesis,

µ = 12

For the alternative hypothesis,

µ < 12

Since the population standard deviation is given, z score would be determined from the normal distribution table. The formula is

z = (x - µ)/(σ/√n)

Where

x = sample mean

µ = population mean

σ = population standard deviation

n = number of samples

From the information given,

µ = 12 minutes

x = 8 minutes

σ = 12 minutes

n = 36

z = (8 - 12)/(12/√36) = - 4/2 = - 2

Test statistic = - 2

6 0
3 years ago
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