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KiRa [710]
3 years ago
8

Ruby has a loss of $45 in her business. How will she enter the loss in her her account book?

Mathematics
2 answers:
professor190 [17]3 years ago
5 0
Ruby lost $45 so she can enter it into her account as this: C. -$45
mixas84 [53]3 years ago
3 0
The answer is c I believe
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At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 second
mixas84 [53]
The mean is the average.

Let A = mean

A = (18 + 14 + 9 + 6 + 3)/5

A = 50/5

A = 10

Ellie's mean time is 10 seconds.
3 0
3 years ago
Hello! Anyone able to help me with question 3 + explanation too? Thanks!
taurus [48]

Answer:

2 or 12

Step-by-step explanation:

The answer that we will use this equation 1/t1 +1/t2=1/ttotal

where t1 is the time of smaller pipe while t2 is the of the larger pipe

Given t total =4 while t2 is equal to t2=t1-6

So know you can solve the problem by changing it into (2t1-6)/(t1*(t1-6))=1/4

8( t1-3)=(t1^2-6t1)

t1^2-14t1+24=0

t1=2 or 12

5 0
3 years ago
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Is this graph a function? why or why not.
Reil [10]

Answer:

The vertical line test can be used to determine whether a graph represents a function. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output. A function has only one output value for each input value.

Step-by-step explanation:

3 0
3 years ago
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What transformation is represented by the rule (x, y)→(−y, x) ?
Andrej [43]

the answer is C. Reflection across the X-axis

Hope this helps!

5 0
3 years ago
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Ugh someone help me what is h
saw5 [17]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ h = 2 1/2

Divide the area by the base to get the height.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

8 0
3 years ago
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