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Shtirlitz [24]
3 years ago
13

Simplify 2x^2-1+4x^2-5

Mathematics
1 answer:
alekssr [168]3 years ago
8 0

Answer:

6x^2-6

Step-by-step explanation: algebra

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Kristin bought 8 books for a total of $238.60. Math books cost $29.60 and
PilotLPTM [1.2K]

Answer: 2 Math books and 6 English books

5 0
3 years ago
If x = - 4 , the value of y = - 6x
Klio2033 [76]

Answer:

y = 24

Step-by-step explanation:

Step 1:

y = - 6x        Equation

Step 2:

x = - 4        Given

Step 3:

y = - 6 ( - 4 )        Input x value

Answer:

y = 24

Hope This Helps :)

4 0
3 years ago
An Antique Collector want to know the age of a particular chair in a shop Statistical or not statistical
dmitriy555 [2]

Answer:

\boxed{\bold{Not \ Statistical}}

Step By Step Explanation:

Statistical: A survey, branch or mathematics consisting of data collection, organization, analysis, interpretation and presentation.

A statistical question deals with social problems, people, or something that must be studied and data gained. Statistical questions must have data sets and data gained. They also must have answers that vary from side to side or opinion to opinion, in order to be qualified as a 'statistical question'.

"<u><em>An Antique Collector wants to know the age or a particular chair in a shop</em></u>"

                                                V

Statistical                       Not Statistical

\boxed{\bold{>}} This is not a statistical question because there is no data that needs to be collected, no surveys that need to be filled out and no analysis, interpretation and presentation. The answer to this question does not vary. It is simply a fact.

7 0
3 years ago
Solve the equation 1/4 (4x-24) +x=14
Yuki888 [10]

Answer:

x = 10

Step-by-step explanation:

Assuming you mean (1/4)(4x - 24), we simplify this to obtain:

x - 6 + x = 14

Combining like terms, we get:

2x = 20.  Then x = 20/2, or x = 10

3 0
3 years ago
Please help. i need steps and everything
Elden [556K]

Answer:

x = 13, y = 24.

Step-by-step explanation:

5x - 8 + 63 + 7x - 31 = 180  (interior alternate angles are equal).

12x + 24 = 180

12x = 180 - 24 = 156

x = 156/12

x = 13.

4y + 27 =  63 + 7x - 31       (interior alternate angles are equal).

4y +27 = 32 +7(13)

4y = -27 +32 + 91

4y = `96

y = 96/4

y = 24.

 

8 0
3 years ago
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