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Gwar [14]
3 years ago
11

Evaluate : 36.36 - 4x when x = 9

Mathematics
2 answers:
lora16 [44]3 years ago
7 0

Answer: .36

Step-by-step explanation: If you follow PEMDAS the first step you would do is multiply 4 x 9 which gives you 36. Next, you subtract 36.36 - 36 which gives you your final answer of .36

GarryVolchara [31]3 years ago
6 0

\longrightarrow{\green{0.36}} 

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

36.36 - 4x

Substituting x = 9 in the above expression, we have

=36.36 - 4 \times 9 \\  \\  = 36.36 - 36 \\  \\  = 0.36

<h3><u>Note</u>:-</h3>

\sf\red{PEMDAS\: rule.}

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}

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For the following right triangle, find the side length x
Juli2301 [7.4K]

Answer:

37

Step-by-step explanation:

35^2+12^2=1369

√1369=37

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3 years ago
Alan has forgotten his 4-digit PIN code.
SVEN [57.7K]

Answer:

a lot of different answers

Step-by-step explanation:

8 0
3 years ago
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Choose the graphic representation of the quadratic function f(x) = x2 – 8x + 24.
larisa86 [58]

Refer the attached figure for the graphic representation of the given quadratic equation.

<u>Step-by-step explanation:</u>

Given expression:

    f(x)=x^{2}-8 x+24

To find:

  The graphic representation of the given quadratic function

For solution, plot the graph to the given quadratic equation.

The standard form of the equation is

  y=a x^{2}+b x+c

When comparing with given quadratic equation,

a = 1, b = - 8, c = 24

Axis of symmetry is x=\frac{-b}{2 a}

By applying the values, the axis of symmetry of given equation is

     x=\frac{-(-8)}{2(1)}=4

The vertex form of quadratic equation is f(x)=a(x-h)^{2}+k

Where, (h,k) are the vertex.

Convert the quadratic equation into vertex form.

By completing the square,

f(x)=x^{2}-8 x+24

f(x)=\left(x^{2}-2(4) x+4^{2}\right)-4^{2}+24

f(x)=(x-4)^{2}+8

On comparison,

(h , k) = (4 , 8)

Now, plot the equation with vertex (4,8) [refer attached figure].

4 0
3 years ago
If anyone would be able to help me. it would be great.
Triss [41]
65% = 156

1% = 165 ÷ 65
1% = $2.40

100% = 2.4 x 100
100% = $240

Answer: The original price 20 years ago was $240.

240 - 156 = $84

Answer: The current price is $84.
3 0
4 years ago
Find the length of UV. v(2,-1) u(1,-9)
fiasKO [112]

Answer: \sqrt{65}

Step-by-step explanation:

<u>Concept:</u>

Here, we need to know the concept of the distance formula.

The distance formula is the formula, which is used to find the distance between any two points.

If you are still confused, please refer to the attachment below for a clear version of the formula.

<u>Solve:</u>

Find the length of UV, where:

  • U (1, -9)
  • V (2, -1)

Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Distance = \sqrt{(1-2)^2+(-9+1)^2}

Distance = \sqrt{(-1)^2+(-8)^2}

Distance = \sqrt{1+64}

Distance = \sqrt{65}

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
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