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OleMash [197]
2 years ago
5

Evaluate the expression when y = -2 -6y

Mathematics
2 answers:
FromTheMoon [43]2 years ago
4 0
The answer would be 3 !
skad [1K]2 years ago
4 0
You would plug in -2 since y is given. -6(-2) = 12
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Please help!!!! i don’t understand any of this and really need it.
astraxan [27]

Answer:

B) 3.2 mi

Step-by-step explanation:

1. The midpoints: midpoint formula = <em>((x₁ + x₂)/2, (y₁+ y₂)/2)</em>

upper = ((6 + -4)/2, (8 + 0)/2) --><em> (1, 4)</em>

lower = ((-8 + 2)/2, (3 + -5)/2) --><em> (-3, -1)</em>

2. Distance: distance formula = <em>√((x₁ - x₂)² + (y₁ - y₂)²)</em>

√((1 + 3)² + (4 + 1)²) = √(16 + 25) = √41 ≈ 6.403... ≈ <em>6.4</em>

3. Scale: 6.4 * 0.5 mi = 3.2 mi

5 0
3 years ago
If it takes 5 sewing machines 5 minutes to make 5 shirts, how long will it take for 100 sewing machines to make 100 shirts?
alekssr [168]
SOLUTION:

If it takes 5 sewing machines 5 minutes to make 5 shirts, then that means:

100 machines will make 100 shirts in 5 minutes as well.

Hope this helps! :)
Have a lovely day! <3
3 0
2 years ago
Help me plzz and thank u sm
vladimir2022 [97]

Answer:

The equation of the axis of symmetry is x = 7

Step-by-step explanation:

Mathematically, we have the equation of the axis of symmetry as;

x = -b/2a

where a is the coefficient of x^2 = 1

b is the coefficient of x which is -14

So, the equation of the axis of symmetry will be;

x = -(-14)/2(1) = 14/2 = 7

So the equation of the axis of symmetry is x =7

6 0
2 years ago
A train travels 430 miles in 5 hours at a constant speed.
steposvetlana [31]

Answer:

2.5

Step-by-step explanation:

7 0
3 years ago
HEPL!! due in 2 hours so please help or attempt! I came up with 5 different answers and don't know which one is the actual answe
Molodets [167]

Answer:

Original Price = $23

Step-by-step explanation:

$5.75 is the price after a discount of 75%

Let the original price be x and x is 100% of the price

5.75 = 100%x - 75%x

5.75 = 25%x

The new price is 25% of the original because you are subtracting 75%

25% is also written as 0.25

5.75 = 0.25x

x = 5.75/0.25

x = 23

The original price is 23

-Chetan K

3 0
2 years ago
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