a dog weighs 44 pounds the dog needs to lose 7 pounds to reach its ideal weight mikala wrote the equation x + 7 = 44 to represent this situation Kirk wrote the equation 44 - x = 7 what does the variable represent which equation is correct can you write another equation that represents the situation

Answers

Answer 1

Answer: x represents the ideal weight of the dog. The first equation is correct because the ideal weight increased by seven pounds equals 44, since he currently weighs 44 pounds and must decrease that by 7 to get the ideal weight. The second one is also correct because 44 minus the ideal weight is seven, since seven is given as the difference between 44 and the ideal weight.

Another equation would be x=44-7. This is because the ideal weight is 44 pounds minus the seven pounds the dog loses.

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Allison has a poster that is 15 in by 18 in. What will the dimensions of the poster be if she scales it down by a factor of 1/3

Answers

If you minus one third from 15 and one third from 18, the dimensions would be 10 x 12

15÷3 = 5
18÷3 = 6
15 - 5 = 10
18 - 6 = 12

What are the solutions to the equation (x – 6)(x + 8) = 0?x = –6 or x = 8
x = –6 or x = –8
x = 6 or x = –8
x = 6 or x = 8

Answers

x=6 and x=-8

To solve this, you would treat x-6=0 as one equation, you add 6 to each side to get rid of -6, hence you would get x=6.

Same goes for x+8=0, subtract 8 from each side to get rid of the +8, then you get x=-8

The third option mam.

A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. How many pieces can be cut? A. 21
B. 20
C. 26
D. 12

Answers

Answer:

Option B. 20 pieces

Step-by-step explanation:

The length of a strip of wood = 78 inches

This strip of wood is to be cut into pieces = $3(3)/(4)$ inches

We have to calculate how many pieces can be cut.

So first we convert mixed fraction to proper fraction and then to decimal.

$3(3)/(4)$ = $(15)/(4)$ = 3.75 inches

Now we divide 78 inches to 3.75 inches.

78 ÷ 3.75 = 20.8 pieces

we got 20 pieces of $3(3)/(4)$ inches.

Option B. 20

B. 20 (do 78 divided by 3.75 (3 3/4) and that equals 20.8)

Find the value of x round to the nearest degree

Answers

I think the answer would be 54 for X

Can someone help me with math?Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide at least four data pairs for each situation. Your classmates will have to determine which of the scenarios is a direct variation and which is an inverse variation, and the value of k for each.

Answers

An example of a direct variation scenario is the increase in the income of a start-up bakeshop when the number of cakes sold increase. Example data are (4, $ 100), (5, $ 125), (6, $ 150), and (7, $ 175).

The example of indirect variation scenario is the decrease in time it takes to reach a destination when the speed of the mobile increases. This is shown in the data points: (10 kph, 10 mins), (12 kph, 8 mins), (14 kph, 6 mins), and (16 kph, 4 mins).

Answer:

Direct

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Inverse

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The summer drama club charge $4 per student or admission to a play. The club borrowed $400 from parents to pay for costumes and props. After paying back the parents, the drama club had $100 left. How many students attended the summer play?

Answers

25 students attended the play, $4 per student with a total of $100, 100 / 4 = 25

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