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mr_godi [17]
3 years ago
11

Help please giving brainliest

Mathematics
2 answers:
svet-max [94.6K]3 years ago
5 0
A just add the numbers
rewona [7]3 years ago
4 0

Answer:

A: 28 cm

Step-by-step explanation:

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The central limit Theron defines large samples as having at least 36 elements true or false ?
Oksanka [162]

This statement is false

5 0
3 years ago
Please help with this!<br> What equations are equivalent to 1/3^8
olasank [31]
I don’t know how to sorry
4 0
3 years ago
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
Rewrite the function f(x)=4(x-2)²-8 in the form f(x)=ax²+bx+c.
tino4ka555 [31]

Answer:

4x^{2}-16x+8

Step-by-step explanation:

4(x - 2)(x - 2) - 8 = 4(x^{2} - 4x + 4) - 8 = 4x^{2} - 16x + 16 - 8 = 4x^{2} - 16x + 8.

8 0
3 years ago
Read 2 more answers
Simplify.
UkoKoshka [18]
(x^2 - 3x + 1) - (x^2 + 2x + 7)
Distribute the negative
x^2 - 3x + 1 - x^2 - 2x - 7
Combine like terms
-5x - 6
3 0
3 years ago
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