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2 years ago

Half note times a whole note plus 2 quarter notes minus 3 half notes

Mathematics

2 answers:

Vedmedyk [2.9K]2 years ago

7 0

B will be your answer

Allisa [31]2 years ago

5 0

B is your answer bc 2 times 4 is 8 plus 2 minus 6 is

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NEED HELP ASAP Complete the sentence. _______ % of 50 shirts is 20 shirts.

Andru [333]

40% should be the correct answer! ;D

Please mark brainiest if I'm correct!

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2 years ago

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Which equation is represented by the table?

swat32

The equation represented by the table would be the 3rd option - y=|x-3|-3
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3 years ago

For the triangles to be congruent by HL, what must be the value of x?

umka21 [38]

Answer:

Step-by-step explanation:

The answer is not 8, its 4. Just took the test!

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3 years ago

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A quadratic function is a function of the form y=ax^2+bx+c where a, b, and c are constants. Given any 3 points in the plane, the

pochemuha

Answer:

The quadratic function whose graph contains these points is $y=-x^{2}-2x-2$

Step-by-step explanation:

We know that a quadratic function is a function of the form $y=ax^{2}+bx+c$ . The first step is use the 3 points given to write 3 equations to find the values of the constants a,b, and c.

Substitute the points (0,-2), (-5,-17), and (3,-17) into the general form of a quadratic function.

$-2=a*0^{2}+b*0+c\\c=-2$

$-17=a*-5^{2}+b*-5+c\\c=-25a+5b-17$

$-17=a*3^{2}+b*3+c\\ c=-9a-3b-17$

We can solve these system of equations by substitution

Substitute $c=-9a-3b-17$

$-9a-3b-17=25a+5b-17\\-9a-3b-17=-2$

Isolate a for the first equation

$-9a-3b-17=-25a+5b-17\\a=\frac{b}{2}$

Substitute $a=\frac{b}{2}$ into the second equation

$-9\left(-\frac{b}{2}\right)-3b-17=-2$

Find the value of b

$-9\left(-\frac{4b}{17}\right)-3b-17=-2\\ b=-2$

Find the value of a

$a=\frac{b}{2}\\ a=-1$

The solutions to the system of equations are:

b=-2,a=-1,c=-2

So the quadratic function whose graph contains these points is

$y=-x^{2}-2x-2$

As you can corroborate with the graph of this function.

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3 years ago

Lines that are not in the same plane are called _____ lines. A.perpendicular B.transversal C.skew D.parallel

Kitty [74]

C is correct answer.

Skew is a line that does not have a same plane.

Hope it helped you.

-Charlie

Thanks!

4 0

2 years ago

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