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vazorg [7]
2 years ago
5

I need help please! 35 points to who ever can solve it, no links please.

Mathematics
2 answers:
Pepsi [2]2 years ago
8 0

Answer:

2. -2

2b. 28

2c. I'm confused

3. >

b. <

c. >

d. =

from e to j, I have no idea

Step-by-step explanation:

I hope this helps :)

tiny-mole [99]2 years ago
5 0
Are you asking for all of them or just certain ones?
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Need help with questions 18,20, and 22 please and thank you
Tatiana [17]

Answer:

18. x² + x - 4

20.  \frac{x^{2} +2x-3}{x+1} or  x + 1 - \frac{4}{x+1}

22. x² + 2x - 2

Step-by-step explanation:

For some reason my work was unable to be submitted so please see attachment for detailed explanation

6 0
3 years ago
A doctor prescribes a 100-mg antibiotic tablet to be taken every eight hours. Just before each tablet is taken, 20% of the drug
zvonat [6]

Answer:

120 mg

Step-by-step explanation:

20% of  100 is 20 so that would be 20mg  plus the 100mg they just took

100+20=120mg

i hope this helps you!

7 0
3 years ago
The area of a rectangle is at least 115 square centimeters. The width of the rectangle is 5 centimeters and the length of the re
Natali [406]
The census is 60 because it’s obviously when you divided
3 0
2 years ago
) Picture frames are produced such that the four sides of a picture frame consist of two pieces from a population whose mean len
Natali [406]

Answer:

The mean perimeter of frame = 38 cm

Step-by-step explanation:

By perimeter of a rectangle, the formula is given as:

Perimeter of rectangle = 2(A + B)

Going by the illustration in the question, the perimeter is

==> 2(32 + 44) = 152 cm.

However, we a given the mean perimeter of the frame which are:

32 and 44. We can either choose to say; each sides is (32 by 32) and (44 by 44). Or we consider it in mean/average term as given: (32 by 44).

Case 1: To obtain the mean perimeter of the frame using the first scenario, we say:

Mean perimeter = (32+32+44+44)/4 = 38 cm.

Case 2: We can simply say:

Mean perimeter = (32 + 44)/2 = 38 cm.

Graphically: Assuming that the frame is given below

                     32 cm

          ---------------------------------

         |                                      |

         |                                      |

44 cm|                                      | 44 cm

         |                                      |

         |                                      |

         |                                      |

         ----------------------------------

                       32 cm

The mean of upper frame/bars = 32 cm

The mean of side frame/bars  =  44 cm

Hence, the mean of the perimeter = (32 + 44)/2 = 38 cm

OR,

we take the sum of all the sides (32 + 44 + 32 + 44) and divide by total number of sides (4). That is;

The mean of the perimeter = (32 + 44 + 32 + 44)/4 = 38 cm

3 0
3 years ago
80% more then $20.00
ElenaW [278]

Answer

$36

Step-by-step explanation:

You multiply 0.8 by 20 since 0.8 is also 80% and you get 16. Since you want 80% more than 20 you add together to get $36. Hope it helped!

6 0
3 years ago
Read 2 more answers
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