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xz_007 [3.2K]
3 years ago
10

Help!![tex]Janet is buying a $28 necklace. The store reduces the price by 20% and then applies a $2 off coupon. How much will sh

e pay for the necklace?
Mathematics
2 answers:
Nataliya [291]3 years ago
6 0
$20.40

Hope this helps! ^_^
aleksandr82 [10.1K]3 years ago
6 0
10% of 28 is 2.8. 2.8x2 is 5.6. 5.6-28=22.4. 22.4-2= 20.4
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Can anyone please explain? Need some help :)
DedPeter [7]

Answer:

93.5 square units

Step-by-step explanation:

Diameter of the Circle = 12 Units

Therefore:

Radius of the Circle = 12/2 =6 Units

Since the hexagon is regular, it consists of 6 equilateral triangles of side length 6 units.

Area of the Hexagon = 6 X Area of one equilateral triangle

Area of an equilateral triangle of side length s = \dfrac{\sqrt{3} }{4}s^2

Side Length, s=6 Units

\text{Therefore, the area of one equilateral triangle =}\dfrac{\sqrt{3} }{4}\times 6^2\\\\=9\sqrt{3} $ square units

Area of the Hexagon

= 6 X 9\sqrt{3} \\=93.5$ square units (to the nearest tenth)

7 0
3 years ago
If x is equal to –2, then find the value of 3x² + 5x​
attashe74 [19]

Answer:

2

Step-by-step explanation:

3*(-2)to power of 2 + 5*-2

= 3*4 + 5*-2

= 12 + -10 = 2

5 0
3 years ago
A truck driver is going down a one way street the wrong way, and passes at least ten cops. Why is he not caught?
Murljashka [212]
The truck driver was walking
4 0
3 years ago
A population of 200 rabbits can be modeled by the equation y = 200e^0.06x, where y is the final population of rabbits and x is t
Elenna [48]
Graph 2, Option 4 would be your answer because:
If you substitute 1 into the equation (x), you would get about 212
If you substitute 2, you would get approximately 225
If you substitute 10, you would get approximately 364.
Looking at the graph, your answer would be going up and to the right, the population is getting bigger while the years are increasing as well.
If we substitute 15 into x in the equation, we would get approximately 492.
3 0
3 years ago
Solve using substitution.<br><br> y = –9x − 1<br><br> y = –4x − 6<br><br> ( __ , __ )
Alenkasestr [34]

Answer:

x=-y-1/9

y=9x-1

x=-y/4-3/2

y=-4x-6

4 0
3 years ago
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