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Eddi Din [679]
3 years ago
6

Marcel and Floyd are playing games at an arcade. Marcel has $8.25 and is only playing $0.25 games. Floyd has $9.75 and is only p

laying $0.75 games. Jorge wants to find the number of games after which Marcel and Floyd will have the same amount of money remaining. Jorge’s work is shown below.
Let x = the number of games played.

Equation: 8.25 minus 0.25 x = 9.75 minus 0.75 x. Step 1: negative 1.50 minus 0.25 x = negative 0.75 x. Step 2: negative 1.50 = 0.50 x. Step 3: negative 3 = x.


Jorge knows his answer is incorrect because it does not make sense to have a negative number of games. What is Jorge’s error?
The variable x should represent the amount of money left.
From Step 1 to Step 2, Jorge did not add 0.25x correctly to both sides.
The equation should have sums on both sides.
From Step 2 to Step 3, Jorge should have subtracted 0.50x from both sides.
Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0

Answer:

The variable x should represent the amount of money left.

Step-by-step explanation:

im not sure but this one makes sense

xenn [34]3 years ago
4 0

Answer:

The Answer to this problem is (A)

St)ep-by-step explanation:

The variable x should represent the amount of money left.

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artcher [175]

Answer:

A quarter (\dfrac{1}{4}) of one lap of the track.

Step-by-step explanation:

Three students ran ran a relay and took turns running equal parts of the track.

The race was three-fourths of a lap long.

Let the length of one lap of the track=x

The length of the race=\frac{3}{4}x

Since each of the students ran equal part,

Length run by each student

=\dfrac{3}{4}x \div 3\\=\dfrac{3}{4}x X \dfrac{1}{3}\\=\dfrac{1}{4}x

Therefore, each student ran a quarter (\dfrac{1}{4}) of one lap of the track.

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3 years ago
A particle moves along the x-axis so that its velocity in feet per second at time x, in seconds, is modeled by the quadratic fun
Katyanochek1 [597]

For this case we have the following equation:

y = 2x ^ 2 - 10x + 12

Where, we have the following variables:

x: time in seconds

y: speed in feet per seconds

For the initial velocity, we evaluate x = 0 in the given equation:

y = 2 (0) ^ 2 - 10 (0) + 12\\y = 12

Therefore, the initial speed is 12 feet per second.

Answer:

The particle's initially velocity is 12.

6 0
3 years ago
HELP!
Alexxx [7]

Answer:

LIMIT

The policy will pay for up to

$100,000 of damage to

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for a cost of $178 per month

The policyholder must

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Step-by-step explanation:

LIMIT is the maximum amount an insurer will pay toward a covered claim

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Step-by-step explanation:

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3 years ago
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saveliy_v [14]

Answer:

The circumference of the circle is 52π

Step-by-step explanation:

To solve this exercise we first have to calculate the radius of the circle, for this we will use the formula of area of ​​a circle and we will clear the radius

a = area = 676π

r = radius

a = π * r²

we clear r

r = √(a/π)

now we replace the known values

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now we use the formula to calculate the circumference of a circle

c = π * 2r

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c = 52π

The circumference of the circle is 52π

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3 years ago
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