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3 years ago

11

Which mathematical operation is represented by the number sentence 45 ÷ 9 = 5?

1 answer:

zhenek [66]3 years ago

4 0

Answer:

Divison

Step-by-step explanation:

The question is asking how many times 5 can go into 45 which is 9 times.

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What is the slope intercept formula for an equation

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A company is deciding whether or not to hire a new worker. The company must pay the worker hourly and cover a daily cost for ins

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3 years ago

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Maddy lleva un bote con bebida para deportistas; el bote de 5 55 litros pesa 7 , 5 kg 7,5 kg7, comma, 5, start text, space, k, g

Kaylis [27]

Answer: $3\ kilograms$

Step-by-step explanation:

It is important to remember that, by definition, proportional relationships have the following form:

$y=kx$

Where "k" is the constant of proportionality.

We know that Maddy assume that the relation between the volume and the weight is proportional.

Then, let be "V" the volume in liters and "w" the weight in kilograms.

We can write the following equation:

$V=kw$

So, if the boat of 555 liters weights 7.5 kilograms, we can find "k":

$555 =k(7)\\\\k=\frac{555}{7}\\\\k=74$

In order to solve the exercise, substitute the value of "k" and $V=222$ into the equation and solve for "w". Then:

$222=(74)w\\\\\frac{222}{74}=w\\\\w=3$

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4 years ago