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3 years ago

11

a young adults burns 11 calories per minute while joggers which function shows how many calories that person will burn in x minu

tes

1 answer:

Zinaida [17]3 years ago

6 0

Having sex is way better at burning calories, but 11x

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there are 200 people at the theatre, but only 28 people got tickets. how many people didnt get tickets

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172 people did not get tickets

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3 years ago

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A sack of cement is enough to cover a floor with a total area of 45sqft Joel’s floor length is 8ft by 7ft how many sacks will he

borishaifa [10]

2 sack of cement is needed to cover entire floor of Joel

<em><u>Solution:</u></em>

Given that a sack of cement is enough to cover a floor with a total area of 45 sqft

Joel’s floor length is 8ft by 7ft

To find: Number of sacks needed to cover entire floor of Joel

Let us first find area of Joel's floor

Since the floor is generally of rectangular, we can use area of rectangle

$\text{ area of rectangle } = length \times width$

<em><u>So the total area of floor with length 8 feet and width 7 feet is:</u></em>

$\text{ area of floor } = 8 \times 7 = 56$

Thus the total area of floor is 56 square feet

<em><u>Let us now find number of sacks needed to cover entire floor</u></em>

Given that, one sack of cement covers 45 square feet

$\text{ number of sacks needed } =\frac{\text { total area of floor }}{\text { area covered by one sack }}$$

$\text{ number of sacks needed }=\frac{56}{45}=1.244$$

Since Sack of cement cannot be in point value hence we can say 2 sack of cement is required.

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3 years ago

The area of table cloth required to cover the table exactly is 450cm². The two parallel sides are 45cm and 55cm. Find the distan

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3 years ago

How to use replacement in probability

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Step-by-step explanation:

Replacement means the probability of each trial is the same (the trials are independent).

For example, let's say you have a standard deck of 52 cards, and you want to find the probability of drawing a queen card twice.

There are 4 queens, so the probability on the first draw is 4/52.

You then replace the queen, so there are still 4 queens in the deck. So the probability on the second draw is still 4/52.

The total probability is the product: 4/52 × 4/52 = 1/169

If you didn't replace the queen after the first draw, there would have been 3 queens in the deck, and the probability on the second draw would have been 3/52.

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4 years ago

1. Triangle XYZ has vertices at X (2, -1), Y (-4, -1), and Z (2, 2). The triangle will be dilated by a scale factor of 4. What w

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Answer:

Can’t right. Now

Step-by-step explanation:

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