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konstantin123 [22]
2 years ago
13

PLEASE HELP ME WITH THIS !

Mathematics
1 answer:
frez [133]2 years ago
6 0

Answer:

376

Step-by-step explanation:

Please give brainliest!

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If 4/7 = 12 /? , then ? = <br> a) 7 <br> b) 14<br> c) 21<br> d) 28
posledela

Answer:

21

Step-by-step explanation:

Multiply by 3 and find out.

8 0
2 years ago
What is the equation for <br> 4,2 and 9,12
CaHeK987 [17]
Y=2x-1 because (y2-y1)/(x2-x1) is 10/5 which is two. Using point slope form y-y1=m(x-x1) we find y=2x+1.
5 0
1 year ago
A kitchen floor has 15 1/2 tiles in an area of 2 2/5 square feet. How many tiles are in one square foot?
Marat540 [252]
6 2/5 is the answer, because 15 1/2 divided by 2 2/5 is 6 2/5
6 0
3 years ago
If the difference of a number and four is doubled the result is 1/4 less than the number. find the number
sukhopar [10]
The formula is  (2)(n-4) = n-1/4

Mult both sides by 4: 

                         8n - 32 = 4n -1, or 4n = 31, or n=31/4.

If this is not what you expected, please ensure that you have copied down the original problem correctly.  What do you mean by "1/4 less?"

Let's try    (2)(n-4) = 1n-(1/4)n = (3/4)n.  Then,

2n-8 = (3/4)n, or (5/4)n = 8.  Mult. both sides by (4/5), we get:

n = (5/4)(8) = 10.  Is that what you were hoping for?

8 0
3 years ago
Joana alugou um carro para fazer uma viagem de 36km sabendo q o carro percorre 12 km cm 1litro custa
saul85 [17]

Answer:

3 litros

Step-by-step explanation:

Joana alugou um carro para fazer uma viagem de 36km sabendo que o carro percorre 12 km cm 1 litro custa

Da pergunta:

12 km = 1 litro

36km = x

Cross Multiply.

12x = 36 × 1

x = 36/12

x = 3 litros

7 0
3 years ago
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