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Svet_ta [14]
2 years ago
4

HELP ASAP/NOW....NO LINKS AND NO JOKING

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
8 0

Answer:

B. 0.05(0.4x)

Explanation:

original price: x dollars

final price: 1.05(x-0.6x)

In the final price, (x - 0.6x) represents the discount of 60% on the shirt.

After that sales tax was applied which was 1.05 ≈ 105%. So, sales tax: 5%

To find the sales tax amount:

5% × (x - 0.6x)

5% × (0.4x)

0.05(0.4x)

Hence, 0.05(0.4x) is the amount of sales tax applied on the shirt.

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Prove that (n+5)^2-(n+3)^2 is a multiple of 4 for all positive integer values of n
hodyreva [135]

Answer:

Proved

Step-by-step explanation:

Given

(n+5)^2-(n+3)^2

Required

Show that (n+5)^2-(n+3)^2 is a multiple of 4

Expand each bracket

(n+5)(n+5)-(n+3)(n+3)

Open brackets

n^2 + 5x + 5x + 25 - (n^2 + 3x + 3x + 9)

n^2 + 10x + 25 - (n^2 + 6x + 9)

Open bracket

n^2 + 10x + 25 - n^2 - 6x - 9

Collect Like Terms

- n^2 + n^2 - 6n + 10n + 25  - 9

- 6n + 10n + 25  - 9

4n + 25  - 9

4n + 16

Factorize

4(n + 4)

Hence, the multiples of (n+5)^2-(n+3)^2 are 4 and (n + 4)

8 0
4 years ago
Please help!! asap!!
Oduvanchick [21]
I think it is, (1,1) I think that is it...
7 0
3 years ago
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What is the 4th equivalent fraction to 1/12?
tamaranim1 [39]

Answer:

Where's the Answer? There's No

3 0
3 years ago
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Xander says that it is not possible to draw a quadrilateral that is not a parallelogram and not a trapezoid. Devin says it is po
Olenka [21]
A good place to start for this question is to define the properties of the geometric terms you are given.

Quadrilaterals have four straight sides. 

Parallelograms are quadrilaterals that have two pairs of parallel sides. The opposite sides and opposite angles are congruent. Squares, rectangles, and rhombuses are examples of parallelograms.

Trapezoids are also quadrilaterals. They have only one pair of parallel sides.

So we're looking to see if there are any four-sided shapes that can be made with no parallel sides. The attached picture shows an example of a quadrilateral that is not a parallelogram and is not a trapezoid. Based on these properties of polygons, the correct answer is B. 

6 0
4 years ago
What value of a in the equation ax − 4 = 2y would give a line with a slope of 2?
sukhopar [10]

Answer:

a=4

Step-by-step explanation:

ax − 4 = 2y

We need to get the equation is slope intercept form  y= mx+b.

Lets solve for y

Divide each side by 2

a/2 x - 4/2 = 2y/2

a/2 x -2 = y

or y=a/2 x -2

The slope is a/2 and the y intercept is -2

We want a slope of 2  so a/2 =2

a/2=2

Multiply each side by 2

a/2 * 2 =2*2

a =4

3 0
3 years ago
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