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vfiekz [6]
3 years ago
8

Erica must tutor a minimum of 20 hours per week in order to remain in the national honor society. She has a student that she tut

ors for 5 hours for hours every Saturday. She is not available for tutoring on Sunday. What is the least she can work each weekday, if she wants to work the same amount each day?
Mathematics
1 answer:
irinina [24]3 years ago
8 0

Answer:

3 hours every weekday

Step-by-step explanation:

20 - 5 is 15 so she must work 15 hours during the week since saturday and sunday are taken. 15 divided by 5 is 3 therefore, giving you three hours a day; Monday, Tuesday, Wednesday, Thursday, and Friday

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Use the system of equations. Please show your steps and how you solved it!
Alinara [238K]
1. 3x+3y=15
        -3y = -3y (subtract 3y from both sides)
    3x       = 15-3y 
  ----------------------
     3         =  3   3  (divide each number by 3)
      x        = 5- y

    
6 0
3 years ago
Tell me what the slope and y intercept means to you
natka813 [3]
In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis)
3 0
3 years ago
A person x inches tall has a pulse rate of y beats per​ minute, as given approximately by yequals600 x Superscript negative 1 di
tankabanditka [31]

Answer:

a) 5.13beats/min

b) 2.82 beats/min

Step-by-step explanation:

Given the pulse rate of a person modelled by the equation y = 600x^-1/3 for 30≤x≤75

If the height is 39inches, the instantaneous rate of change of pulse rate for the heights will be expressed as;

y = 600(39)^-1/3

y = {600(1/39)}/3

y = 600/39×3

y = 600/117

y ≈ 5.13beats/min

The instantaneous rate for a 39 inches tall person is 5.13 beats per min

b) For a 71inches tall person, the beat rate will be expressed as;

y = 600(71)^-1/3

y = {600(1/71)}/3

y = 600/71×3

y = 600/213

y ≈ 2.82 beats per minute

The instantaneous rate for a 71 inches tall person is 2.82 beats per min

7 0
3 years ago
A model for my number has 6 ones blocks, 2 hundreds blocks and 3 tens blocks what number am i?
Hatshy [7]
236

2 hundreds + 3 tens + 6 ones or
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236
5 0
3 years ago
What’s the mean of 55,60,60,40,60,75,40,25
Mazyrski [523]

Answer:

51.625

Step-by-step explanation:

you add them all up to get 415 then you divide by eight because there are eight numbers that you add up to get the answer 51.625

8 0
3 years ago
Read 2 more answers
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