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Semenov [28]
3 years ago
5

Factorise X²-8 5x-14 4x

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer: The answers that I got for this problem are these answers below the Step-by-step explanation:

Step-by-step explanation:

x=

8

5−

249

​​

= −1.347

x=

8

5+

249

​  

=2.597

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Which of the following is the solution to the equation x + 6.8 = 53.5?
gregori [183]
X+6.8=53.5
x=53.5-6.8
=46.7
5 0
3 years ago
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The function f(x) = 5One-fifth is reflected over the y-axis. Which equations represent the reflected function? Select two option
postnew [5]

Answer:

The equations that represent the reflected function are

f(x)=5(\frac{1}{5})^{-x}

f(x)=5(5)^{x}

Step-by-step explanation:

The correct question in the attached figure

we have the function

f(x)=5(\frac{1}{5})^{x}

we know that

A reflection across the y-axis interchanges positive x-values with negative x-values, swapping x and −x.

therefore

f(−x) = f(x).

The reflection of the given function across the y-axis will be equal to

(Remember interchanges positive x-values with negative  x-values)

f(x)=5(\frac{1}{5})^{-x}

An equivalent form will be

f(x)=5(\frac{1}{5})^{(-1)(x)}=5[(\frac{1}{5})^{-1})]^{x}=5(5)^{x}

therefore

The equations that represent the reflected function are

f(x)=5(\frac{1}{5})^{-x}

f(x)=5(5)^{x}

9 0
3 years ago
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Please help me look at the attachment for the question
LenaWriter [7]
Found this when I was doing my own work, hope this helps.

6 0
3 years ago
Find the value of x. Round to
Leno4ka [110]

Answer:

X= 10

Step-by-step explanation:

let the vertex of angle 17° named A

then the other two B and C

then by using trigonometry:

sin(A) = opposite side divided by hypotenuse

opposite side is. X

Wich makes Sin(A) = X/47

then by crossing X= sin(A) × 47 = 13.74147

rounding to the nearest tenth: X= 10

7 0
3 years ago
Can someone help me, please? Also, can someone explain it?
Arada [10]

Answer:60m^2

Step-by-step explanation:you have to find the height of the triangle first which is easy bc it’s been split in half so the are now two right triangles. use the pythagorean theorem to determine the height, the height is 12, the formula for the area of a triangle is 1/2bxa and half of the base is already given to you, 5 so 5 x 12 equals 60

5 0
3 years ago
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