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3 years ago

What is the name of this key signature?g minorF sharp majorF minorG major

Mathematics

1 answer:

rodikova [14]3 years ago

6 0

That is a G major. The hashtag means major and it is located on the in the middle of he top line.

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3 times a number is 54 less than the square of that number. Find the positive solution.

OlgaM077 [116]

Answer:x=9

Step-by-step explanation:

To find the positive solution for this, then we will say;

Let the number be x

3x<x^2-54

x^2-3x-54<0

Then we are going to factorise

x^2-9x+6x-54=0

(x^2-9x)+(6x-54)=0

x(x-9)+6(x-9)=0

(x+6)(x-9)=0

Therefore, The positive solution for this is: x=9

4 0

3 years ago

4x+ 3y -2z=35, 2x-3y+z=-6, x+2y+3z=-5, solve for x,y and z

Mkey [24]

1. X = \frac{35}{4}+\frac{\left( -3\right) \ Y}{4}+\frac{z}{2}$$

3 0

3 years ago

Determine whether the lines are parallel, intersect, or coincide. x-5y=0, y+1=1/5(x+5)

MAXImum [283]

Answer-

The lines are two coinciding lines or the same lines.

Solution-

The given line equations are

the first one,

$\Rightarrow x-5y=0$

the second one,

$\Rightarrow y+1=\dfrac{1}{5}(x+5)\\\\\Rightarrow 5y+5=x+5\\\\\Rightarrow 5y=x\\\\\Rightarrow x-5y=0$

As we know two line equations $A_1x+B_1y+C_1=0$ and $A_2x+B_2y+C_2=0$ will be,

Parallel if, $\dfrac{A_1}{A_2}=\dfrac{B_1}{B_2}$
Coincide if, $\dfrac{A_1}{A_2}=\dfrac{B_1}{B_2}=\dfrac{C_1}{C_2}$
Intersect if, $\dfrac{A_1}{A_2}\neq \dfrac{B_1}{B_2}$

As here,

$\Rightarrow \dfrac{A_1}{A_2}=\dfrac{B_1}{B_2}=\dfrac{C_1}{C_2}$

$\Rightarrow \dfrac{1}{1}=\dfrac{-5}{-5}$

(C₁ and C₂ aren't considered as they are 0)

Therefore, the lines are two coinciding lines or the same lines.

4 0

3 years ago

If the surface area of a sphere is represented by 144 pi, what is the volume in terms of pi?

umka21 [38]

Answer:

288 pi

Step-by-step explanation:

3 0

3 years ago

2 good 2 be truee???? pls help

Kaylis [27]

Answer:

the correct answer is 23$

Step-by-step explanation:

15% off takes 15% of the whole price

hope this helps

4 0

3 years ago

What is the name of this key signature?g minorF sharp majorF minorG major ​

What is the name of this key signature?g minorF sharp majorF minorG major