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KATRIN_1 [288]
3 years ago
8

A number, y, is equal to the difference of a larger number and 3. The same number is one-third of the sum of the larger number a

nd 9. Which equations represent the situation?
a)x+y=3 and x-3y=-27
b)x+y=3 and x-3y=-9
c)x-y=3 and x-3y=-27
d)x-y=3 and x-3y=-9
Mathematics
1 answer:
elixir [45]3 years ago
8 0
The answer for this question is b
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A temperature of F degrees Fahrenheit is the same as 5/9
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Answer:

113 degrees Fahrenheit is 45 degrees Celsius

Step-by-step explanation:

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Is 7/9 greater than or less than 0.6
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7/9 is greater because if you divide the fraction you will get 0.77777777...
(Which will go on forever)

compare:  
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0.7      ?      0.6

Well, by looking at both of them, you can easily tell that 0.7 is greater and 0.7=7/9, therefore, 7/9 is greater 

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Which table represents the statement “A freight train is traveling at an average rate of 45 miles per hour”?
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Step-by-step explanation:

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3 years ago
Find the value of (-3)4 +(-2)4 +(-1)4
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8 0
3 years ago
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Considere as seguintes afirmações: I. O inverso de 0,2 é 5. II. O triplo de \frac{2}{5} é \frac{6}{15}. III. A metade de 0,5 é \
Alex777 [14]

Answer:

I e III

Step-by-step explanation:

Recebemos declarações na questão acima para considerar.

Declaração I. O inverso de 0,2 é 5.

Matematicamente, isso é escrito como:

1 / 0,2

0,2 = 2/10

Portanto: 1 ÷ 2/10 = 1 × 10/2

= 5

Afirmação 1 é verdadeira

Declaração II.

O triplo de 2/5 é 6/15.

Triplo de 2/5 = 2/5 + 2/5 + 2/5

= 2 + 2 + 2/5

= 6/5

= 1 1/5

Declaração II é falsa

III. A metade de 0,5 é 1/5

1/2 de 0,5

= 1/2 × 0,5 = 0,25

Convertendo em fração

= 0,25 = 25/100

= 1/4

Declaração III está correta

Portanto, as afirmações verdadeiras são I e III

8 0
3 years ago
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