3 years ago

To determine whether dogs prefer a specific brand of dog food to that of a

Mathematics

1 answer:

maria [59]3 years ago

8 0

Answer:

no -

Step-by-step explanation:

the researchers are not allowing the other dogs to choose; two opinions is extremely small. Also, they are being biased - they must let all the other dogs choose

really need brainliest

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Tracy used mental math to find 7×38 as shown below. what is x? 7×38 = 7(40-2) = 7(x)- 7(2)

qaws [65]

Answer:

x=40

Step-by-step explanation:

subtract first then multiply

7*38=7x-14

move terms 266=7x-14

calculate-7x=-14-266

divide both sides by -7 (-7x=-280)

solution x=40

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3 years ago

Which problem could be solved with the expression 32 divided (3+1)

ExtremeBDS [4]

Answer:

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Step-by-step explanation:

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A família Oliveira consiste no pai, na mãe e em alguns filhos. A idade média da família é de 18 anos. Sem contar com o pai, que

Vladimir79 [104]

Answer: e) 6

Step-by-step explanation:

Let x be mother + children = 18

Father's age = 38

Average age of the family = 14

38 + 18x /( x + 1 )= 14

Opening the bracket

38 + 18x = 14x + 14

Collecting like terms

24 = 4x

x = 6

no of children in the family is 6.

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3 years ago

1. The playground at a park is shaped like a trapezoid. The dimensions of the playground are

slavikrds [6]

860 ft that’s the answer

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3 years ago

Write an equation for the line in slope-intercept

Tamiku [17]

The equation would be: y=3x+5
The line crosses the y-axis at 5, so that’s the y-intercept.
The slope is 3 because it goes up by 3 and then 1 to the right, as a fraction it’s 3/1 which is just 3

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3 years ago