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melomori [17]
2 years ago
10

What should she do next to find 42 to the nearest hundredth?

Mathematics
1 answer:
ch4aika [34]2 years ago
5 0
This answer would be b because
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WILL MARK BRAINIEST!!! Segment AC has two endpoints; (-2,5) and (2,-5). What are the coordinates of point B on segment AC such t
svet-max [94.6K]

Answer:

(\frac{4}{3},-\frac{10}{3})

Step-by-step explanation:

If the extreme ends of a line segment AC are A(x_1,y_1) and C(x_2,y_2).

If a point B(x, y) divides the segment in the ratio of m : n

Then the coordinates of the point B are,

x = \frac{mx_2+nx_1}{m+n}

y = \frac{my_2+ny_1}{m+n}

If the ends of AC are A(-2, 5) and C(2, -5) and a point B divides it in the ratio of m : n = 5 : 1

Therefore, coordinates of this point will be,

x = \frac{5\times (2)+1(-2)}{5+1}

  = \frac{10-2}{5+1}

  = \frac{8}{6}

  = \frac{4}{3}

y = \frac{5\times (-5)+1(5)}{5+1}

  = \frac{-25+5}{6}

  = -\frac{20}{6}

  = -\frac{10}{3}

Therefore, coordinates of the point B are (\frac{4}{3},-\frac{10}{3}).

6 0
3 years ago
Geometry ( WILL GIVE BRAINY)
Step2247 [10]

Answer:

1:

we have a rule that is (n-2)×180

while n = number of sides

2:

exterior angle of a polygon = 360 ÷ number of sides

so 360÷25=14.4

3:

octagon is 8 side, so as we said: (8-2)×180 = 1080

4:

lets make an equation, we know that (n-2)×180 = the sum

so (x-2)×180=720

180x -360 = 720

180x = 1080

x=6

8 0
3 years ago
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A medical clinic performs three types of medical teststhat use the same machines. Tests A, B, and C take 15 minutes, 30 minutes
Alex17521 [72]
You can do 9/1 x A
                 2 x (9/0.5 x B)
                 9/0.25 x C
so 9A + 36B + 36C
(9 x 50) + (36 x 80) + (36 x 120) = 450 + 2880 + 4320 = $7650
4 0
2 years ago
what is the easiest way of getting rid of a fraction in an algebraic problem? Give examples please and explain carefully.
Dennis_Churaev [7]

Step-by-step explanation:

multiple through by a common factor to eliminate the denominator

4 0
2 years ago
-5+6 3/5=?<br><br> I need a answer before tomorrow please help!
Svetach [21]

Answer:

-5+6 3/5= <u>1.6</u>

Step-by-step explanation:

<em>hope that helps!!!!</em>

<em />

xx

8 0
2 years ago
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