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muminat
2 years ago
9

Active time 45:56 please help

Mathematics
2 answers:
exis [7]2 years ago
6 0

Answer:

\frac{\pi }{\sqrt[3]{27} }

Step-by-step explanation:

The third one

Any number with pi is irrational

MAXImum [283]2 years ago
6 0

Answer:

the third option \frac{\pi }{\sqrt[3]{27} }

Step-by-step explanation:

because pi cannot be put into a fraction

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Great day if anyone wants to help!
Aloiza [94]

Answer:

1. Vertex: (4,26)

X-intercept: (9.09,0)(-1.09)

2. Vertex: (-4,-6)

X-intercept: (-1.55,0)(-6.44,0)

Step-by-step explanation:

7 0
1 year ago
Which explicit formula<br> -8, -5, -2, 1, 4,...
Harlamova29_29 [7]

Answer:

then 7,10,13 and so one so forth

Step-by-step explanation:

you are subtracting three as you go on.

4 0
3 years ago
Which statement regarding the number of solutions for the linear equation shown below is true?
beks73 [17]
No Solutions. hope it helped
6 0
3 years ago
Read 2 more answers
Shayla tutors middle school students and high school students. She charges a different rate for each. Last week, she tutored mid
Veronika [31]

Answer:

<em>Shayla charges $20 per hour for middle school students and $25 per hour for high school students.</em>

Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = Shayla's hourly charge for middle school students

y = Shayla's hourly charge for high school students

Last week, Shayla tutored middle school students for 5 hours and high school students for 12 hours. The total earning was 5x+12y. She earned $400 last week, thus:

5x + 12y = 400        [1]

This week, she tutored middle school students for 6 hours and high school students for 10 hours. The total earnings were 6x+10y and it represented $370, thus:

6x + 10y = 370

Dividing by 2:

3x + 5y = 185        [2]

We have formed the system of equations:

5x + 12y = 400        [1]

3x + 5y = 185        [2]

Multiply [1] by -3 and [2] by 5:

-15x - 36y = -1200

15x + 25y = 925

Adding both equations:

-11y = -275

Dividing by -11:

y = -275/(-11) = 25

y = 25

Substituting in [1]:

5x + 12*25 = 400

5x + 300 = 400

5x = 400 - 300 = 100

x = 100/5 = 20

x = 20

Shayla charges $20 per hour for middle school students and $25 per hour for high school students.

7 0
2 years ago
Help would be appreciated.
Ket [755]
Frequency=(speed of sound)/(wavelength)
that means
wavelength =(speed of sound )/(frequency)
speed of sound=344 m/s

4.
frequency=587. 33 Hz
thus
wavelength=344/587.33
=0.586 m


5.
frequency=493.88 nHz
thus
wavelength=344/493.88
=0.69653 m

6. Frequency= 698.46 Hz
wavelength= 344/698.46
wavelength=0.4925 m

9. Frequency =783.99 Hz
wavelength=344/783.99
wavelength=0.439 m
5 0
3 years ago
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