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postnew [5]
4 years ago
14

Company S Per Shirt Shipping

Mathematics
1 answer:
Sidana [21]4 years ago
3 0

Answer:

The number of shirts to be purchased for price to be same is 6 .

Step-by-step explanation:

Given as :

The price for cool shirt = $ 8

The shipping charge for cool shirt = $ 13

The price for Tees = $ 7.50

The shipping charge for Tees = $ 16

Now, Let The number of shirts = S

So , According to question

∵ price to be same for both companies

∴ $ 8 × S + $ 13 = $ 7.50 × S + $ 16

Or, $ 8 × S - $ 7.50 × S = $ 16 - $ 13

Or, 0.5 S = 3

∴ S = \frac{3}{0.5}

I.e  S = 6

Hence The number of shirts to be purchased for price to be same is 6 . Answer

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Jack is 3 times as old as lacy. 3 years ago the sum of there ages was 14. How old are they now?
Elan Coil [88]

Answer:

lacy = 8 jack= 24

Step-by-step explanation:

let x be lacys age

3x - 3 + x-3 = 14

3x+x -3 = 14 + 3 = 17

4x = 17 +3 = 20

x = 20/4 = 5

lacys age now = 5+3 = 8

jacks age now = 8 * 3 = 24

3 0
3 years ago
It takes Planet Netflix 24 hours to complete a full rotation. It takes Planet Hulu approximately 72 days, 16 hours, and 30 minut
sukhopar [10]

72*24=1728

1728+16=1744

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1744.5


4 0
4 years ago
Check MyAnswer Please!!!
jok3333 [9.3K]
The equation x^2-9y^2=900 <span>defines a hyperbolic cylinder.
</span>
1. Divide the equation x^2-9y^2=900  by 900:
\dfrac{x^2}{900} - \dfrac{y^2}{100} =1.
This is the equation of conic section when z=0 (or z=const) and that is hyperbola equation.

2. To find the domain and the range you should express y:
\dfrac{y^2}{100} =\dfrac{x^2}{900} - 1 \\   \\ y^2= \dfrac{x^2}{9} -100 \\   \\ y=\pm  \sqrt{\dfrac{x^2}{9} -100}.
Since you have square root, 
\dfrac{x^2}{9} -100\ge 0 \\ x^2-900\ge 0 \\ (x-30)(x+30)\ge 0 \\ x\in(-\infty,-30)\cup (30,\infty). This is the domain, the range is y\in (-\infty,\infty).
5 0
3 years ago
Please help me with these Square Root problems. Part 2. Please Show and check the work.
Mashcka [7]

Answer:

5. 25/36

6. 25/36

7. -3/4 or 6

8. 0 or 4

Step-by-step explanation:

5. Square both sides: x + 4 = 9 - 6\sqrt{x} + x

Subtract x from both sides and subtract 9 from both sides:

-5 = -6\sqrt{x}

Square both sides again: 25 = 36x

Divide both sides by 36: x = 25/36

6. Square both sides: x + 4 = 9 + 6\sqrt{x} + x

Subtract x and 9 from both sides: -5 = 6\sqrt{x}

Square both sides: 25 = 36x

Divide both sides by 36: x = 25/36

7. Square both sides: x + 3 = 5x + 6 - 6\sqrt{5x+6} + 9

Add 6\sqrt{5x+6} to both sides and isolate it: 6\sqrt{5x+6} = 4x + 12

Divide both sides by 2 and then square both sides again:

3\sqrt{5x+6} = 2x + 6

9 * (5x + 6) = 4x^2 + 24x + 36

45x + 54 = 4x^2 + 24x + 36

4x^2 - 21x - 18 = 0

Factorize: (4x + 3)(x - 6) = 0  ⇒  x = -3/4 or x = 6

8. Square both sides: 2x + 1 = x^2 - 2x + 1

Move all the terms to one side and combine like terms: x^2 - 4x = 0

Factorize: x(x - 4) = 0  ⇒  x = 0 or x = 4

Hope this helps!

8 0
3 years ago
Read 2 more answers
Which table shows ordered pairs that satisfy the function y = x2 + 1?
8_murik_8 [283]

Answer:

your answer might be 3

Step-by-step explanation:

4 0
4 years ago
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