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vesna_86 [32]
2 years ago
14

Please help me with this math question 20 points

Mathematics
1 answer:
Oxana [17]2 years ago
8 0

Answer:

hey if you want the answer go to app store type cymath app

Step-by-step explanation:

go download it and check it if very useful for your maths teas or homework

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Why can you use cross products to solve the proportion 18/5 equals x/100 for x?
blondinia [14]
18    x
--- = ----
5      100

18×100 = 5×x

1800 = 5x
-------    ----
   5          5

360 = x
Hope this helps!!!
5 0
3 years ago
At birth, one puppy weighs 15/16 pounds. A second puppy weighs 1 and 1/8 pounds. How much more did the second puppy weigh?
zvonat [6]

Answer:

3/16 pounds more.

Step-by-step explanation:

It is 1 1/8 - 15/16

= 9/8 - 15/16

= 18/16 - 15/16

=  3/16.

5 0
2 years ago
40 pts!! Simplify the expression in the picture.
tino4ka555 [31]

Answer:

D.   (27x^6y^9) / x^9.

Step-by-step explanation:

(3x^2y^3 / z^3 )^3

=  3^3 x^(2*3)y(3*3) / z^(3^3)

= 27 x^6y^9 / x^9.

4 0
3 years ago
Read 2 more answers
6 (r - 4) + r + 30 - 7r
GrogVix [38]
6r-24+r+30-7r (the we divide the regular numbers on one side and the others on the other side)Like this:
(6r+r-7r)+(-24+30)
(7r-7r)+6
And the final answer is 6
8 0
4 years ago
A vehicle factory manufactures cars. The unit cost C (the cost in dollars to make each car) depends on the number of cars made.
likoan [24]

Answe(0.5x²-180x+25,885= 47,925.25

Step-by-step explanation:

x=1

8 0
1 year ago
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