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Otrada [13]
3 years ago
11

Aricela is trying to estimate the distance between her house and the park. On a map with a scale of 0.5 in. = 2 miles, the dista

nce between her house and the park is 2.75 in. Which proportion can Aricela use to determine the distance, d, between her house and the park?
A)
0.5
2.75
=
2
d

B)
d
0.5
=
2.75
2

C)
d
2
=
0.5
2.75

D)
0.5
d
=
2
2.75
Mathematics
2 answers:
kipiarov [429]3 years ago
6 0

Answer:

2.75 is the correct one so A

Step-by-step explanation:

Pavlova-9 [17]3 years ago
5 0
Use the proportion inches per miles.
.5 in / 2 miles = 2.75 in / d miles

Hope this helps :)
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Step-by-step explanation:

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eight rolls = 4 × 8 = 32

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Answer:

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7 0
2 years ago
temperature in Alexandria Kentucky from 45 degrees to 10 degrees in 5 hours what is the average change in temperature per hour
Leno4ka [110]
So the difference between 45 and 10 is..
 35 (omygad)

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8 0
3 years ago
A farmer wants to put a fence around a garden in the shape of a square. The fence posts are placed every 2 meters. One side of t
zzz [600]

Answer:

The farmer would need 80 posts.

Step-by-step explanation:

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6 0
3 years ago
Solve the system of equations
rewona [7]

Answer:

x = 1/4

y = -1/2

z = 9/4

Step-by-step explanation:

Here we have a system of 3 equations with 3 variables:

4*x + 2*y + 1 = 1

2*x - y = 1

x + 3*y + z = 1

The first step to solve this, is to isolate one of the variables in one of the equations, let's isolate "y" in the second equation:

2*x - y = 1

2*x - 1 = y

Now that we have an expression equivalent to "y", we can replace this in the other two equations:

4*x + 2*(2*x - 1) + 1 = 1

x + 3*(2*x - 1) + z = 1

Now let's simplify these two equations:

8*x - 1 = 1

7*x - 3 + z = 1

Now, in the first equation we have only the variable x, so we can solve that equation to find the value of x:

8*x - 1 = 1

8*x = 1 + 1 = 2

x = 2/8 = 1/4

Now that we know the value of x, we can replace this in the other equation to find the value of z.

7*(1/4) -3 + z = 1

7/4 - 3 + z = 1

z = 1 + 3 - 7/4

z = 4 - 7/4

z = 16/4 - 7/4 = 9/4

z = 9/4

Now we can use the equation y = 2*x - 1 and the value of x to find the value of y:

y = 2*(1/4) - 1

y = 2/4 - 1

y = 1/2 - 1

y = -1/2

Then the solution is:

x = 1/4

y = -1/2

z = 9/4

7 0
3 years ago
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