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Alexeev081 [22]
3 years ago
6

The distance between two cities on a map is 3.5 centimeters the map uses a scale in which 1 centimeter represents 20 km what is

the actual distance between these
two cities in kilometers
Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0

Answer:

1 cm = 20 km

so 3.5 cm would equal : 3.5 * 20 = 70 km

hope it helps ;)

Step-by-step explanation:

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Equivalent expressions for -5(3-2x)
rjkz [21]

Answer:

-15 + 10x

Step-by-step explanation:

<u>Use distributive property:</u>

-5(3-2x)

=-15 + 10x

8 0
2 years ago
Please need help from math experts!!!! Struggling so hard…
Alenkinab [10]

Answer:

Step-by-step explanation:

A(10,10)      B(b,10b)

ax-2y=30

a)\\a(10)-2(10)=30\\10a-20=30\\10a-20+20=30+20\\10a=50

Divide both parts of the equation by 10:

a=5

Hence,

5x-2y=30

5(b)-2(10b)=30

5b-20b=30

-15b=30

Divide both parts of the equation by -15:

b=-2

Thus,

a=5     b=-2

b)\\A(10,10)\ \ \ \ \ \ B(-2,-20)\\ \displaystyle\\C(x_C,y_C)=(\frac{10+(-2)}{2} ,\frac{10+(-20)}{2} )\\\\C(x_C,y_C)=(\frac{10-2}{2},\frac{10-20}{2} )\\\\C(x_C,y_C)=(\frac{8}{2}  ,\frac{-10}{2})\\\\C(x_C,y_C)=(4,-5)\\Hence,\ C(4,-5)

5x-2y=30\\5x-2y+2y=30+2y\\5x=30+2y\\5x-30=30-30+2y\\5x-30=2y\\

Divide both parts of the equation by 2:

2.5x-15=y

c)\\y=2.5x-15

               The equation of the perpendiqular bisector

                              \boxed {y=-\frac{x}{k} +b}  

Hence,

\displaystyle\\y=-\frac{x}{2.5}-15 \\\\y=-0.4x-15

5 0
2 years ago
(BRAINLIEST AND 15 POINTS. SHOW ALL WORK) A cheetah runs at an average speed of 15 m/s in 24 seconds. What distance does the che
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Answer:

360 meters

Step-by-step explanation:

15 x 24 = 360

24 is how many seconds

The cheetah runs 15 meter PER second

3 0
3 years ago
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A hotel offers a reward program based on the number of nights stayed. The function f(x) represents the number of free nights ear
Phantasy [73]

Answer: option a. A customer earns 1 free night per 10 nights stayed.

Explanation:

Building a table can help you:

x: number of nigths stayed ---------- f(x) = 1/x: number of free nights

10 --------------------------------------------- 10/10 = 1

20 -------------------------------------------- 20/10 = 2

30 -------------------------------------------- 30/10 = 3

40 -------------------------------------------- 40/10 = 4

Then, the pattern permits you to conclude that a customer earns 1 free night per each 10 nights stayed, which is the option a.

5 0
3 years ago
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I need help with this fast!!
goldfiish [28.3K]

Answer:

Yes

Step-by-step explanation:

Congruent =  identical in form; coinciding exactly when superimposed

I noticed this was IXL, sorry bout that, good luck ;)

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3 years ago
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