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kakasveta [241]
1 year ago
14

Sam paid $55 for an hour of tutoring on Mondays and $95 for two hours on Tuesday. The hourly rate is $ per hour.The initial fee

is $ .
Mathematics
1 answer:
Likurg_2 [28]1 year ago
4 0

To find the hourly rate, we can subtract the cost of two hours by the cost of one hour:

m=95-55=40

So the hourly rate is $40.

Then, to find the initial fee, we subtract the cost of one hour by the hourly rate:

b=55-40=15

So the initial fee is $15.

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Which expression shows the result of applying the distributive property to -2(1/3x - 1/5)??? Plz help me
adoni [48]
(-2•1/3x) (-2)(-1)/5= (-2/3x)+(2/5)
4 0
3 years ago
In a completely randomized design involving four treatments, the following information is provided. Treatment 1 Treatment 2 Trea
NeTakaya

Answer:

Option (b) 36.7

Step-by-step explanation:

Data provided in the question:

                       Treatment 1     Treatment 2     Treatment 3      Treatment 4

Sample Size          50                   18                     10                          17

Sample Mean        32                   36                    42                         48

Now,

The overall mean is calculated as

= \frac{\sum_{i = 1}^{4} n_i X_i}{\sum_{i = 1}^{4} {n_i}}

Here, Xi = Sample mean

n = sample sizes

Thus,

Overall mean

= [ (50 × 32) + (18 × 36) + (10 × 42) + (17 × 48) ] ÷ [ 50 + 18 + 10 + 17 ]

= [ 1600 + 648 + 420 + 816 ]  ÷ 95

= 36.67 ≈ 36.7

hence,

Option (b) 36.7

7 0
3 years ago
Each card in a set of cards has a different number from 1 to 12 written
sergij07 [2.7K]

Answer: 35

Step-by-step explanation: i first divided 12 and 125 since there is 125 cards in total and 12 different cards which gives you 10 point something. There is 3 multiples of 4 so i multiplied 3x10 which gives you 30 and the closest answer is 35. You're welcome

4 0
3 years ago
The diameter of a circle is 14 yards. What is the circle's circumference?
yarga [219]

Answer:

The circle's circumference is equal to 14π yards.

General Formulas and Concepts:

<u>Geometry</u>

Circumference of a Circle Formula: C = πd

  • <em>d</em> is the diameter of the circle

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

<em>d</em> = 14 yds

<u>Step 2: Find Circumference</u>

  1. Substitute in variables [Circumference Formula]:                                        C = 14π yds

Topic: Geometry

3 0
2 years ago
Use the graph below to determine the number of solutions the system has.
mixas84 [53]

Answer:

one

Step-by-step explanation:

I think, there were 4 lines and the two lines are reaching each other

8 0
3 years ago
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