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daser333 [38]
2 years ago
8

Suppose that 13 inches of wire costs 78 cents.

Mathematics
1 answer:
GarryVolchara [31]2 years ago
5 0

Answer:

$0.42

Step-by-step explanation:

create a proportion:

13/.78 = 7/x

cross-multiply to get:

13x = 7(.78)

13x = 5.46

x = 5.46/13

x = .42

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Alexxx [7]

Answer:

5 cm

Step-by-step explanation:

32 / 4 = 8

40 / 8 = x

40 / 8 = 5

32 and 4 are corresponding, and 40 and x are as well. Find the relation between 32 and 4, then apply it to 40 to find the value of x.

8 0
3 years ago
What is the solution to<br> 4(2x– 3)= 2(3x+ 1)?<br><br><br> -5<br><br> 1<br><br> 7<br><br> 10
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<span>(4 (2x – 3)= 2( 3x + 1)) </span>÷ 2
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8 0
3 years ago
Ram and his sister Kalpana win a prize of Rs 2000. They decide to share the prize in the ratio of their ages. Ram is 15 years ol
V125BC [204]

9514 1404 393

Answer:

  • Ram -- ₹1200
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Step-by-step explanation:

Their age total is 15+10=25, so Ram will get 15/25 = 0.6 of the total. Kalpana will get the remaining 0.4 of the total.

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8 0
3 years ago
50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
seraphim [82]

Answer:

73

Step-by-step explanation:

48^2 + 55^2 = 5329

square root of 5329 is 73

7 0
3 years ago
Read 2 more answers
William bought some tickets to see his favorite singer. He bought some adult tickets and some children tickets, for a total of 1
Viefleur [7K]
Hello!

Let 'a' stand for adult tickets and 'c' for children tickets.

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30a + 20c = 330

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c = 12

A N S W E R:

William bought 3 adults tickets and 12 children's tickets.

5 0
3 years ago
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