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mr_godi [17]
3 years ago
6

What does the curvy (i) mean in a math equation?

Mathematics
2 answers:
Natasha2012 [34]3 years ago
3 0
It may just be a variable writen in italics or it means integer.
ikadub [295]3 years ago
3 0

Answer:


Step-by-step explanation:


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Find an equation of a line with the x- and y-intercepts below. Use exact fractions when necessary.
tamaranim1 [39]

Answer:

y=\frac{5}{7}x-5

Step-by-step explanation:

All lines in the plane are of the form

y = mx+b

<u><em>The intersection with the Y-axis is obtained by replacing x with 0 </em></u>

<u><em>The intersection with the X-axis is obtained by replacing y with 0 </em></u>

If we want that the Y-intercept = -5, then  

-5 = m(0)+b

So b = -5

Our temporal equation is then

y = mx-5

If we want that the X-intercept = 7, then  

0 = m(7)-5

7m = 5

m = 5/7

So our final equation is

y=\frac{5}{7}x-5

Attached is the graph of the line

3 0
3 years ago
54 is 90% of what number?
Zarrin [17]

The answer is 60 surprisingly

7 0
3 years ago
15m is what percent of 1.5km?
Papessa [141]
1.5km = 1500m
To find the percentage take 15 and divide it by 1500, then times by 100
15/1500 x 100 = 1%
3 0
3 years ago
4.62x10<br> 1.2x 10<br> What’s the scientific notation
MArishka [77]
46200000000.
12000000000.
you just move the decimal 10 places to the right
5 0
4 years ago
The rectangles below are similar in shape. How wide is the smaller rectangle?
Amanda [17]

Answer:

\huge\boxed{x=28\ ft}

Step-by-step explanation:

If two rectangles are similar, then corresponding sides are in proportion.

Therefore we have the equation:

\dfrac{x}{42}=\dfrac{36}{54}

cross multiply

54x=(42)(36)\\\\54x=1512

divide both sides by 54

\dfrac{54x}{54}=\dfrac{15212}{54}\\\\x=28

7 0
3 years ago
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