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3 years ago

8

One fifth of the text messages Nancy sends are to her family. She sends an equal amount to her mom dad and sister. What fraction

s of all the text messages she sends to go to her sister?

1 answer:

Pie3 years ago

5 0

Answer: 1/15

Step-by-step explanation:

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Q7Which statement is incorrect for the graph of thefunction y = -5 cosGcos( 3 (x – 3)) +62The period is 4.The amplitude is 3.The

guajiro [1.7K]

The given function is,

$y=-5\cos (\frac{\pi}{2}(x-3))+6$

The graph can be drawn as,

The period will be distance between two consequetive maximas,

$\text{Period}=1-(-3)=4$

Thus, period is correct.

The amplitude can be determined as,

$\begin{gathered} Amplitude=\frac{\max -\min }{2} \\ =\frac{11-1}{2} \\ =5 \end{gathered}$

Thus, amplitue is incorrect.

The range is,

$y\in\lbrack1,11\rbrack$

Thus, the range is correct.

The midline is,

$\begin{gathered} \text{midline}=\frac{\max +\min }{2} \\ =\frac{1+11}{2} \\ =6 \end{gathered}$

Thus, the midline is correct.

Thus, option (b) is the solution.

5 0

1 year ago

A taxi in myrtle beach charges $2 per mile and $1 per person. If a taxi cab ride for 2 people cost $12, how far did the taxi cab

GarryVolchara [31]

Answer:

I belive the answer is 5

Step-by-step explanation:

$12- $2 for ppl= $10

$10÷$2 per mile = 5

4 0

3 years ago

Please answer as soon as possible!!

harkovskaia [24]

Answer:

2.29

Step-by-step explanation:

First determine the square root of 17.8

√17.8 = 4.22

second, determine the value of $1.3^{2.5}$ = 1.93

subtract 1.93 from 4.22

4.22 - 1.93 = 2.29

6 0

3 years ago

PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Troyanec [42]

Answer:

81/x - 3 = 6
2x - 3 = 15

6 0

2 years ago

Read 2 more answers

Anybody can give me the answer? Please

Shtirlitz [24]

b. One hundred and fifty (150) square feet

8 0

3 years ago