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vfiekz [6]
3 years ago
13

Find the mean for this set of data 8,3,12,15,7

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

9

Step-by-step explanation:

If you add them all together and divide by how many numbers there are, you will get the answer.

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two bags and four hats cost $100 in all. three bags and seven hats cost $164 in all. what is the cost of 1 hat?
Natali [406]

Answer:

Bags = 22

Hat = 14

22 x 2 = 44

14 x 4 = 56

So the first part is true

3 x 22 = 66

7 x 14 = 98

So the second part is true

14 is the answer

It's trial and error

Step-by-step explanation:

4 0
4 years ago
Math Question (10 Points):
Allushta [10]
5u + u - 6u
= 6u - 6u
= 0
8 0
3 years ago
Read 2 more answers
Solve.<br><br> 34(x−8)=−12<br><br><br> x=− 26/3<br><br> x = 10<br><br> x=22/3
puteri [66]

I believe the answer would be... x= 130/17  for  34(x-8)=-12

I am really sorry, but I am not sure how to answer the rest

Hoped I helped with the first part of it!

Have a great day/night!

8 0
3 years ago
Find and explain wallys mistake!!
Marysya12 [62]

Answer:

What Wally did wrong is that it is supposed to be (4a-5)(a-4)

In order to get -21 a. He was supposed to use negative 5 and 4 to get to negative 21

If he used (4a+5)(a+5)

The answer will be positive 21 and that's not what the problem is asking

Step-by-step explanation:

5 0
3 years ago
PLEASE help me with this question! No nonsense answers and answer with full solutions please!
ohaa [14]

Answer:  b) {-3, 0.5}

Step-by-step explanation:

The new equation is the original equation plus 6.  Move the original graph UP 6 units.  The solutions are where it crosses the x-axis.

\text{Original equation:}\quad f(x)=\dfrac{15}{x}-\dfrac{9}{x^2}\\\\\\\text{New equation:}\quad\dfrac{15}{x}+6=\dfrac{9}{x^2}\\\\\\.\qquad \qquad  f(x)= \dfrac{15}{x}-\dfrac{9}{x^2}+6

+6 means it is a transformation UP 6 units.  

Solutions are where it crosses the x-axis.

The curve now crosses the x-axis at x = -3 and x = 0.5.

4 0
3 years ago
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