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tresset_1 [31]
3 years ago
13

Francis teaches the piano. He charges each student an enrollment fee of $100 plus $15 per hour of piano lessons. The average cos

t of lessons for a student per hour is $25.
If h represents the number of hours a student spends in lessons, which equation can be used to find the value of h?
Mathematics
1 answer:
Kryger [21]3 years ago
7 0

Answer:

y=15x+100

Step-by-step explanation:

increases by 15, 100 is starting free

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32
Naddik [55]

Answer:

A

Step-by-step explanation:

Samantha already took up an appointment time slot, and the two people can't be at the appointment at the same time, so it should be A.

7 0
3 years ago
Find the perimeter of the semicircle when diameter is 3.5 cm. (1 Point)
Feliz [49]

● Answer:

8.995 cm

● Step-by-step explanation:

P = d + L/2

d = 3.5 cm

L/2 = 2pi×r/2

= pi×d/2

= 3.14×3.5/2

= 5.495 cm

P = 3.5cm + 5.495

= 8.995 cm

8 0
3 years ago
In a forested area, the number of trees, T can be expressed as a function of the initial number of trees planted. If the initial
Wewaii [24]
N = N    (1+0.20)^5    
          o

Here, that'd be 10000(1.20)^5, or 24883 trees.
7 0
3 years ago
The measures of the angles of a triangle are shown in the figure below. Solve for x.
slavikrds [6]

Answer:

x=13

Step-by-step explanation:

We add all the numbers together, and all the variables

6x-78

We move all terms containing x to the left, and all other terms to the right

6x=78

x=78/6

which should equal 13

3 0
1 year ago
a construction company is building a house based on the picture. The scale from picture to real house is 1 inch= 8 feet the heig
stiv31 [10]

Answer:

The Height of the building would be 20 feet.

Step-by-step explanation:

1.) 1/8 = 2.5/X

2.) Answer: 20 Feet

3.) Cross Multiply

    - 1 inch is to 8 feet as 2.5 inches is to 20 feet.

5 0
2 years ago
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