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zzz [600]
3 years ago
15

5. Which expression defines the arithmetic series 1 + 3 + 5 +... for seven terms?

Mathematics
1 answer:
Alla [95]3 years ago
7 0

Answer:

the answer is B, let me know if it helped

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On a​ map, 1 inch equals 25 miles. Two cities are 9 inches apart on the map. What is the actual distance between the​ cities?
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225 miles

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Find the following<br> a) 3/4 of 28
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21

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A construction worker needs to put a rectangular window in the side of a building. He knows from measuring that the top and bott
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4 0
3 years ago
a line represented by y = 5x − 2 and a line perpendicular to it intersect at r(1, 3). what is the equation of the perpendicular
Snezhnost [94]
Y=ax+b, y=cx+d (a≠0, c≠0)
If the two line cross perpendicularly ⇔ ac= -1

So a tangent of the perpendicular line is "-(1/5)".

Then, the equation of the perpendicular line is y=-(1/5)x+a (a is <span> y-intercept</span>).

On the other hand, this equation pass r(1, 3), so 

3 = -(1/5) times 1 + a

∴ a=16 / 5 

Therefore, y=-(1/5)x+16 /5 is answer.

By the way, I'm Japanese so if you find some mistakes in my English, please let me know.


5 0
3 years ago
if your not going to really help me please leave im spending all my points to get this answer so please dont spam me i really ne
Ipatiy [6.2K]
A)she is not right.because if the remaining peice is the hypotenuse of the triangle, the answer will be around 27.8 if the hypotenuse is 22 then the missing angle is 13.96

b)yes it will work
if you double the measurements of the two sides of a right triangle the other one will be double, too(you can get help from Pythagoras theorem )

c)yes it is possible. if we can double the sides of a right triangle it means that we add measurements to the triangle.
for example:a triangle with sides of 3,4,5
if we add 6,8,10
it will be 9,12,15
hope I could help
7 0
3 years ago
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