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Tema [17]
4 years ago
6

HELPP: find 'x' in the following

Mathematics
1 answer:
katrin2010 [14]4 years ago
5 0

Answer:

Aproximately 7.5 cm

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Farhan orders one plate of seafood fried rice at a restaurant which offers at 25% discount. the Marked price of the seafood frie
ANTONII [103]

Answer:

The total amount of money he has to pay for the dish is $8.3861.

Step-by-step explanation:

Here, the marked price of the seafood fried rice  = $9.50

Now, discount on the marked price  = 25%

Calculating 25% of $9.50 = \frac{25}{100}  \times 9.50 = 2.375

So, the discount offered = $2.375

Now, the Selling Price of dish = Marked Price - Discount

                                                    =  $9.50 - $2.375   = $7.125

Now, here the service charge applied here  = 10%

Calculating 10% of $7.125 = \frac{10}{100}  \times 7.125 = 0.7125

So, the service charge applied  = $0.7125

So, the new Selling Price of dish = Selling Price + Service Charge

                                                    =  $7.125 + $0.7125   = $7.8375

Again, here the GST applied here  = 7%

Calculating 7% of $7.8375 = \frac{7}{100}  \times 7.8375 = 0.5486

So, the GST applied  = $0.5486

So, the new Selling Price of dish = Selling Price + GST

                                                    =  $7.8375 + $0.5486   = $8.3861

Hence, the total amount of money he has to pay for the dish is $8.3861.

5 0
3 years ago
Which two consecutive whole numbers does square root 39 lie between? why?
dmitriy555 [2]
The square root of 39 is approximately 6.245 so it lies between 6 and 7

8 0
4 years ago
Read 2 more answers
Rewrite in simplest rational exponent form square root of x times the fourth root of x. Show each step of your process.
belka [17]

Answer:

\sqrt[4]{ {x}^{3}  }

Step-by-step explanation:

\sqrt{x}  \times  \sqrt[4]{x} \\  =  {x}^{ \frac{1}{2} }  \times  {x}^{ \frac{1}{4} }  \\  =  {x}^{ \frac{1}{2}  +  \frac{1}{4} }  \\  =  {x}^{ \frac{3}{4} }  \\  =  \sqrt[4]{ {x}^{3} }

5 0
2 years ago
Un triángulo rectángulo tiene un área de 84 pies2 y una hipotenusa de 25 pies de largo. ¿Cuáles son las longitudes de sus otros
jolli1 [7]

Answer:

7 feet and 24 feet

Step-by-step explanation:

In the right triangle, the hypotenuse is 25 feet long. The area of this triangle is 84 square feet.

Let x feet and y feet be the lengths of triangle's legs.

By the Pythagorean theorem,

x^2+y^2=25^2\\ \\x^2+y^2=625

The area of the right triangle is half the product of its legs, thus

84=\dfrac{1}{2}xy\\ \\xy=168

Solve the system of two equations:

\left\{\begin{array}{l}x^2+y^2=625\\ \\xy=168\end{array}\right.

From the second equation:

x=\dfrac{168}{y}

Substitute it into the first equation:

\left(\dfrac{168}{y}\right)^2+y^2=625\\ \\168^2+y^4=625y^2\\ \\y^4-625y^2+168^2=0\\ \\D=(-625)^2-4\cdot 168^2=(625-2\cdot 168)(625+2\cdot 168)=289\cdot 961=17^2\cdot 31\\ \\\sqrt{D}=17\cdot 31=527\\ \\y^2_{1,2}=\dfrac{-(-625)\pm 527}{2}=49,\ 576\\ \\y_1=7,\ y_2=-7,\ y_3=24,\ y_4=-24

The length of the leg cannot be negative, so

y_1=7\Rightarrow x_1=\dfrac{168}{7}=24\\ \\y_2=24\Rightarrow x_2=\dfrac{168}{24}=7

6 0
3 years ago
Which model below shows 24 ÷ 4 = ? *
Degger [83]

Answer: Hope this helps

Step-by-step explanation: 24 divided by 4 using long division, with explanation and illustration.

5 0
3 years ago
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