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Maslowich
2 years ago
11

The graph represents data from an experiment.

Mathematics
1 answer:
nalin [4]2 years ago
7 0

Answer:

a

Step-by-step explanation:

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A certain store sells only black shoes and brown shoes. In a certain week, the store sold x black shoes and y brown shoes. If 2/
Stolb23 [73]

Answer:

y=\frac{x}{2}

Step-by-step explanation:

Let total x black and y brown shoes are sold in a week

So total number of shoes sold in a week is = x+y

It is given that \frac{2}{3} of all shoes sold are black

So \frac{2}{3}(x+y)=x

y=\frac{x}{2}

So the number of brown shoes sold in a week in terms of black shoes are x/2

5 0
2 years ago
HELP FAST!!! <br> Solve using substitution.<br> y = 8<br> 5x – 3y = -9
Harrizon [31]
X=3 im pretty sure i dont rly have a explanation
3 0
2 years ago
The number negative eight is to the left of zero on the number line.
NeX [460]

Answer:

I don't see choices but -8<0

7 0
2 years ago
Will someone solve for X step by step please?
motikmotik
4(x-2)-3=9

<span>Reorder the terms:
4(-2 + x) + -3 = 9
</span><span>(-2 * 4 + x * 4) + -3 = 9
</span><span>(-8 + 4x) + -3 = 9
</span><span>Reorder the terms:
 -8 + -3 + 4x = 9
</span><span>Combine like terms:
-8 + -3 = -11
</span>-11 + 4x = 9 <span>Solving:
 -11 + 4x = 9
</span>Add '11' to each side of the equation.
-11 + 11 + 4x = 9 + 11
Combine like terms: -11 + 11 = 0
0 + 4x = 9 + 11
4x = 9 + 11
<span>Combine like terms:
9 + 11 = 20
4x = 20
</span><span>Divide each side by 4.
 
x = 5</span>

5 0
3 years ago
Read 2 more answers
WILL GIVE 100 POINTS AFTER YOU ANSWER
irina1246 [14]

Mean of a data = Sum of all observations ÷ Total number of observations

Mean of this data will be :

Sum of all observarions = 17 + 13 + 18 + 20 + 17 + 15 + 12 = 112

Total number of observations = 7

Mean = 112 ÷ 7

Mean = 16

Therefore the mean of this data set <em>=</em><em> </em><em>1</em><em>6</em><em> </em>

4 0
3 years ago
Read 2 more answers
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