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serg [7]
3 years ago
8

Freddy exercised 2.5 hours per 4 days. He burned 330 calories per hour. How many calories did Freddy burn by exercising?

Mathematics
2 answers:
Leto [7]3 years ago
8 0

multiply

330 \times 2 \\ 660 \times 4 \\ then \: the \: answer \: plus \\  \: 330 \div 2 \\ 165 \times 2

that will be the answe

2964 calories

Troyanec [42]3 years ago
3 0

Answer: He burned 3.300 calories.

Step-by-step explanation: 330 (calories he burns per hour)× 2.5 (hours he exercised)= 825

825 (calories he burns per day)× 4 (days)= 3.300 (calories he burned by exercising)

I hope this helped you!!

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Write two expressions to show the total area of advertisement space on one page.
valina [46]

The area covered by the advertisement on the page is ab  \ unit^2.

<h3>What is the definition of area of a rectangle?</h3>

The area of a rectangle covers is the space it takes up inside the boundaries of its four sides. The dimensions of a rectangle determine its area. In general, the area of a rectangle is equal to the product of its length and breadth of the rectangle.

The formula of area of rectangle is length \times breadth unit^2

let the given page represents a rectangle.

We take the length of the advertisement is a unit and breadth of the advertisement is b unit.

The area of the advertisement =a \times b \ unit^2

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7 0
2 years ago
A number y increased by 5 is at least -21
gayaneshka [121]

                - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - -

\diamond\large\blue\textsf{\textbf{\underline{\underline{Given question:-}}}}

             ❖ A number y increased by 5 is at least -21.

\diamond\large\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}

          ❖ First, if you come across the word "increased" it means we

    "increase" a number, or add something to that number, like

y increased by 5 \longmapsto \sf{y+5}

Now, we are also given that this expression is at least -21, which means it can't be -21; it can be -21 or it can be greater than -21.

So we have

\longmapsto\sf{y+5\geq -21}}

<em>Solving for y</em>

<em></em>

  •   Subtract 5 on both sides:-

\longmapsto\sf{y\geq -21-5}

\longmapsto\sf{y\geq -26}

So the values of y greater than or equal to -26 will make this inequality true.

<h3>Good luck with your studies.</h3>

 \rule{300}{1}

7 0
2 years ago
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