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Phantasy [73]
3 years ago
12

Offering 30 points and branliest ‼️‼️‼️ show work

Mathematics
2 answers:
GaryK [48]3 years ago
8 0

Dang, I'm only 12 I don't knowwwww

gtnhenbr [62]3 years ago
4 0

Answer:

hey buddy sorry i dont know the answer hope this help

Step-by-step explanation:

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Expand 3(-5q + 4).<br><br> A.5q + 12<br><br> B.-15q + 4<br><br> C.-15q + 12<br><br> D. 5q + 12
Ksenya-84 [330]
_Award brainliest if helped! 
(-5q * 3)  + (4 *3 ) = -15q + 12 
The answer is C. 
5 0
3 years ago
Read 2 more answers
Ieda and Thanh both offer piano lessons. Ieda charges an initial fee of $8.50 and an hourly rate of $11.00. Thanh charges an ini
Trava [24]
The price for each instructor will be the same at 3 hours. How I determined this answer:

First off, you need to add the initial price and hourly price for each person together, so you already know how much it will cost for 1 hour, including the initial fee. Here's how you do it:

Ieda: $11.00 (hourly price) + $8.50 (initial fee) = $19.50 (for 1 hour)

Thanh: $10.50 (hourly price) + $10.00 (initial fee) = $20.50 (for 1 hour)

Now that you have the price for 1 hour including the initial fee, now you need to find the price for each hour after that. Here's how I did that:

I created a graph that looked like this:

Hours:       1                 2                  3               
Ieda:      19.50          30.50         41.50
Thanh:   20.50          31.00         41.50

Here's how I figured out the price for each hour:

Ieda:

Hour 1 (including initial price):
            $11.00 + $8.50 = $19.50
Hour 2 (excluding initial price): Only add the hourly price after Hour 1!
            $19.50 + $11.00 = $30.50 
Hour 3 (excluding initial price):
            $30.50 + $11.00 = $41.50

Thanh:

Hour 1 (including initial price):
            $10.50 + $10.00 = $20.50
Hour 2 (excluding initial price):
            $20.50 + $10.50 = $31.00
Hour 3 (excluding initial price):
            $31.00 + $10.50 = $41.50

So, looking at the graph, their prices are the same once each instruction reaches 3 hours. ($41.50)

I hope I was able to help you! :)
5 0
3 years ago
Read 2 more answers
What is the solution to the following system of equations? x − 4y = 6 2x + 2y = 12 (0, 10) (10, 0) (6, 0) (0, 6)
frozen [14]

Answer:

(6,0)

Step-by-step explanation:

The given system has equations:

x-4y=6

2x+2y=12

Multiply the top equation by 2 to get:

2x-8y=12

2x+2y=12

Subtract the top equation form the bottom equation to get:

2x-2x+2y--8y=12-12

\implies 10y=0

\implies y=0

Put y=0 into x-4y=6

x-4*0=6

\implies x=6

Therefore the solution is (6,0)

4 0
3 years ago
Point C (2, 1) is the image of C(2,5) reflected across line m. What is the equation of line<br> m?
Tresset [83]

Answer:

Y=3

Step-by-step explanation:

The line is a horizontal line, and the points are in a vertical line. Y=3 is on a horizontal line at 3 up from the x axis.

8 0
3 years ago
As your costumer increases, your list goes as follows, 12, 14, 16, 18,....
aleksandr82 [10.1K]

Answer:

1. 24

2. 10+2n where n denotes number of days.

3. 70

Step-by-step explanation:

1.

Consider the sequence: 12,14,16,18,...

Here,

14-12=2\\16-14=2\\18-16=2

Take the common difference as d = 2 and the first term as a = 12

Use the formula: a_n=a+(n-1)d

To find expected gain at the end of the week, find a_7

a_7=12+(7-1)2\\=12+6(2)\\=12+12\\=24

2.

Yes, the gain shows the pattern.

Put a=12,d=2 in a_n=a+(n-1)d

a_n=12+(n-1)2\\=12+2n-2\\=10+2n

Here, n denotes number of days.

3.

To find expected gain at the end of 30  days, put n=30 in a_n=10+2n

a_{30}=10+2(30)\\ =10+60\\=70

7 0
3 years ago
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