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Morgarella [4.7K]
3 years ago
9

Explain how to graph the following function and determine its domain and range y=-x^2+4-7 ​

Mathematics
1 answer:
Bad White [126]3 years ago
3 0

Answer:

Domain is: ( − ∞ , ∞ ) ,  { x | x ∈ R }

range is: ( − ∞ , − 3 ]  ,  { y | y ≤ − 3 }

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Step-by-step explanation:

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mart [117]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Which system of linear equations represents another pair of parallel lines?
vesna_86 [32]

Answer:

The answer is C. 3x+y=7, 6x+2y=10

Step-by-step explanation:

7 0
3 years ago
When 43,55 and 67 are divided by a certain number, the remainder is 7 in each case. Find the number? ​
siniylev [52]

Answer:

12

Step-by-step explanation:

First subtract 7 from 43, 55 and 67

43 - 7 = 36 ;  55 - 7 = 48  ;  67 - 7 = 60

Now find the GCF of 36 , 48 , 60

36 = 2 * 2 * 3 * 3

48 = 2 * 2 * *2*2 * 3

60 = 2 * 2 * 3 * 5

GCF = 2 * 2 * 3 = 12

The required number is 12

When you divide 43 by 12, the remainder is 7.

When you divide 55 by 12, the remainder is 7

When you divide 67 by 12, the remainder is 7

5 0
3 years ago
If sample bias exists, then we can easily trust using the sample as representative of the
Lina20 [59]
<h3>Answer:  False</h3>

Explanation:

If the sample is biased, then it does not represent the population. A biased sample favors one or more groups over others.

For example, if the sample consisted of only men, then the sample is biased toward men and leaves out women from the group. Hence, this sample does not represent everyone.

6 0
2 years ago
Read 2 more answers
Molly drew a blue line that was 19 1/12 inches long. Then she drew a green line that was
antoniya [11.8K]

Answer:

  • 10 2/3 in

Step-by-step explanation:

<u>Subtract the values:</u>

  • 19 1/12 - 8 5/12 =
  • 18 13/12 - 8 5/12 =
  • 18 - 8 + 13/12 - 5/12 =
  • 10 + 8/12 =
  • 10 8/12 =
  • 10 2/3 in
6 0
3 years ago
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