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lianna [129]
3 years ago
10

Evaluate the expression for the given variable.​

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

8

Step-by-step explanation:

Substitute x = 3 into the expression

= \frac{(9-3)^2+4}{5}

= \frac{6^2+4}{5}

= \frac{36+4}{5}

= \frac{40}{5}

= 8

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4 years ago
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A map is made of a park. The scale from the park to the map is 36 mi to 6 cm. The length of Great Oaks Trail is 4.5 cm on this m
Ilya [14]

Answer:

Salamander Trail is longer than Great Oak Trail

Step-by-step explanation:

The given parameters are;

The scale of the map is 36 mi = 6 cm

The length of Great Oak Trail = 4.5 cm

The scale of a different map is 24 mi = 3 cm

The length of Salamander Trail = 3.5 cm

Therefore, we have;

The actual length of Great Oak Trail based on the first map is given as follows;

36 mi = 6 cm

6 cm = 36 mi

1 cm = 36 mi/6 = 6 mi

4.5 cm = 4.5 × 6 mi = 27 mi

The actual length of Salamander Trail based on the second  map is given as follows;

24 mi = 3 cm

3 cm = 24 mi

1 cm = 24 mi/3 = 8 mi

3.5 cm = 3.5 × 8 mi = 28 mi

Therefore, Salamander Trail with an actual length of 28 mi is longer than Great Oak Trail which has an actual length of 27 mi.

7 0
4 years ago
the lines graphed below are parallel.The slope of the red line is 3.what is the slope of the green line. M=?
jeka57 [31]

Answer:

If the lines graphed are parallel, the slopes will be the same, 3.

Hope this helps,

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7 0
3 years ago
A car moving 35 miles per hour travels a distance of 51.3 feet each second.About how far does the car travel in 7.1 seconds?
Triss [41]

you multiply 51.3 x 7.1 which equals 364.23 feet. So that is the distance the car travels in 7.1 seconds
5 0
4 years ago
Simplify 7(x + 3). xxxxxxxxxxx
Montano1993 [528]

Answer:

7x+21

Step-by-step explanation:

7(x + 3)

7(x)+7(3)

7x+21

6 0
3 years ago
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