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azamat
3 years ago
12

Evaluate the following expression when x=-5 and y=25 5|x|-y3 over x

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

10

Step-by-step explanation:

This question is asking you for the value of the expression when you replace x and y with it's numerical values.

X is equivalent to -5 which means we can replace x with -5, same story with y but different number.

Now that you know this, you can put this into your calculator to spit out a result.

\frac{5|(-5)|-3(25)}{-5}=10

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Find NL. Not sure to to solve this.
Paul [167]

Answer:

NL= 2 × HI

x+24 =2 × (X+16)

x+24=2x + 32

2x-x= 24-32

x= – 8

NL=x+24 = –8 +24= 16

So ; NL= 16

I hope I helped you^_^

4 0
3 years ago
Read 2 more answers
Fill in Sin, Cos, and tan ratio for angle x. <br> Sin X = 4/5 (28/35 simplified)
Fantom [35]

Answer:

Given: \sin(x) = (4/5).

Assuming that 0 < x < 90^{\circ}, \cos(x) = (3/5) while \tan(x) = (4/3).

Step-by-step explanation:

By the Pythagorean identity \sin^{2}(x) + \cos^{2}(x) = 1.

Assuming that 0 < x < 90^{\circ}, 0 < \cos(x) < 1.

Rearrange the Pythagorean identity to find an expression for \cos(x).

\cos^{2}(x) = 1 - \sin^{2}(x).

Given that 0 < \cos(x) < 1:

\begin{aligned} &\cos(x) \\ &= \sqrt{1 - \sin^{2}(x)} \\ &= \sqrt{1 - \left(\frac{4}{5}\right)^{2}} \\ &= \sqrt{1 - \frac{16}{25}} \\ &= \frac{3}{5}\end{aligned}.

Hence, \tan(x) would be:

\begin{aligned}& \tan(x) \\ &= \frac{\sin(x)}{\cos(x)} \\ &= \frac{(4/5)}{(3/5)} \\ &= \frac{4}{3}\end{aligned}.

7 0
3 years ago
Which number sentence shows the correct placement of the decimal point in the product, based on the two factors?
Lana71 [14]

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1.83 * 2.9 = 5.307, so not that one

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Answer:

D. 25.07 * 5.4 = 135.378

3 0
3 years ago
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Answer:

12/52 = 1/4 chance.

Step-by-step explanation:

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4 years ago
F(x)=-x^2 -4x -2, for this equation find the solutions, the coordinates of the vertex, and the axis of the symmetry.
Zina [86]

Answer:

Step-by-step explanation:

hello :

  Completing The Square   x²-4x-2= (x²-4x+4)-4-2 = (x-2)²-6

the vertex is : (2 , -6)

now calculate the solutions : (x-2)²-6 =0

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x = 2+√6   or x =  2-√6

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