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stich3 [128]
2 years ago
8

Hi i need help (again) i swear im smart

Mathematics
2 answers:
grigory [225]2 years ago
6 0
#2 is 30 pounds
STEP BY STEP EXPLANATION
If 9 is 30% then you multiply it by three and get 90% 9x3=27 and to get the last ten percent you divide the 9 by three and you get 3, then you add that to 27 and you get 30
ehidna [41]2 years ago
3 0

Answer:

The weight of an adult dog is 45 pounds.

Step-by-step explanation:

9 pounds is 20% of the adult weight. To get to 100%, you have to multiply 20 by 5. Multiply 9 by 5 and it will be 45. Sorry for answering late.

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4.
yaroslaw [1]

Answer:

15 boys

Step-by-step explanation:

50 x .30 = 15

8 0
3 years ago
In a sample of 60 diners at a restaurant, 12 had ordered an appetizer. If the restaurant serves 800 diners each day, how many ar
san4es73 [151]
If im correct i think it should be 160 because i divided 60 by 12 and got 5 the divided 800 by 5 and got 160.
5 0
3 years ago
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I need help solving this equation
alina1380 [7]
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8 0
4 years ago
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Which properties of equality are used to solve the following? 2(x - 12) + 2 = 40
tekilochka [14]

Answer:

D. Distributive proprety

Step-by-step explanation:

Because you have to distribute 2 to make it 2x and then do 2 (12) which is 24 and then add 2 to it again which equals 40

6 0
3 years ago
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Una botella tenía agua hasta de su capacidad. Luego, se agregó litro de agua y la botella quedó llena. Si x representa la capaci
Elena L [17]

Responder:

3 / 4x + 1/2 = x

Explicación paso a paso:

Dado que:

Capacidad total = x

Volumen inicial = cierta fracción * capacidad total

Volumen adicional agregado para llenar = 1/2

Por eso,

Inicial. Volumen + volumen adicional = volumen total

De las opciones:

Un volumen inicial de 3 / 4x

Volumen adicional de 1/2

Volumen total = x

Sumar todo hace que la ecuación:

3 / 4x + 1/2 = x

x - 3 / 4x = 1/2

Por lo tanto, la ecuación correcta de la opción es: 3 / 4x + 1/2 = x

7 0
3 years ago
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