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mars1129 [50]
3 years ago
15

Jose weighs 180 pounds and plans on gaining 2 pounds per week. Marty weighs 249 pounds and plans on losing 1 pound per week. In

how many weeks will they weigh the same?
Mathematics
1 answer:
Karolina [17]3 years ago
5 0

Answer: it will take 23 weeks for both of them to weigh the same.

Step-by-step explanation:

Let x represent the number of weeks that it will take both of them to weigh the same.

Let y represent the weight of Jose in x weeks.

Let z represent the weight of Marty in x weeks.

Jose weighs 180 pounds and plans on gaining 2 pounds per week. This means that

y = 180 + 2x - - - - - - - - 1

Marty weighs 249 pounds and plans on losing 1 pound per week. This means that

z = 249 - x - - - - - - - - 2

To determine the number of weeks that it will take both of them to weigh the same, we will equate both equations. It becomes

180 + 2x = 249 - x

2x + x = 249 - 180

3x = 69

x = 69/3 = 23

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Quiana has 5 times more text messages from Yolanda than from Pierre. Quiana has 30 text messages from Yolanda. Which equation ca
VladimirAG [237]

Answer:

p=\frac{30}{5}

Step-by-step explanation:

Quiana has 5 times more text messages from Yolanda than from Pierre, we also know that she actually has 30 text messages from Yolanda. In other words, 30 texts from Yolanda is 5 times more text messages than from Pierre.

Thus, if we call p the number of texts messages from Pierre we would have that

p=\frac{30}{5} (since 30 texts from Yolanda is 5 times more than p, we can divide by 5 to find p)

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3 years ago
A recipe requires 5/6 of a cup of sugar. If mrs.Marina is going to make one half of the recipe, how much sugar does she need
NemiM [27]

Answer:

Half\ of\ the\ recipe\ requires\ \frac{5}{12}\ of\ a\ cup\ of\ sugar.

Step-by-step explanation:

As given

A\ recipe\ requires\ \frac{5}{6}\ of\ a\ cup\ of\ sugar.

i.e

\frac{5}{6}\ cup\ of\ sugar = 1\ recipe

As the  mrs.Marina is going to make one half of the recipe .

Thus\ multiply\ above\ by\ \frac{1}{2}.

We get

\frac{5\times 1}{6\times 2}\ cup\ of\ sugar = \frac{1}{2}\ recipe

solving the above

\frac{5}{12}\ cup\ of\ sugar = \frac{1}{2}\ recipe

Therefore\ half\ of\ the\ recipe\ requires\ \frac{5}{12}\ of\ a\ cup\ of\ sugar.



7 0
3 years ago
What is the length of the diameter of a circle inscribed in a right triangle with the length of hypotenuse c and the sum of the
jeyben [28]

Answer:

  diameter = m - c

Step-by-step explanation:

In ΔABC, let ∠C be the right angle. The length of the tangents from point C to the inscribed circle are "r", the radius. Then the lengths of tangents from point A are (b-r), and those from point B have length (a-r).

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Now, the problem statement defines the sum of side lengths as ...

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and, of course, the diameter (d) is 2r, so we can rewrite the above equation as ...

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Which formula gives the area of rectangle EFHG? (AND EXPLAIN!)
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Your answer is c, common sense
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Answer:

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Step-by-step explanation:

6+9=15

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