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Ludmilka [50]
2 years ago
14

What is the value of x?

Mathematics
2 answers:
Kazeer [188]2 years ago
3 0

Answer:

x = 64

Step-by-step explanation:

2x = 128

x = 64

Vesna [10]2 years ago
3 0

Answer:

hi

Step-by-step explanation:

i think so

128⁰+2x⁰=180⁰

2x⁰=180⁰-128⁰

2x⁰=52⁰

x=52/2

x=26⁰

hope it helps

have a nice day

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aalyn [17]

For this case we have the following expression:

(3x + 8) (3x-3)

We apply distributive property, which by definition establishes that:

(a + b) (c + d) = ac + ad + bc + bd

So:

(3x + 8) (3x-3) =\\9x ^ 2-9x + 24x-24 =\\9x ^ 2 + 15x-24

Answer:

9x ^ 2 + 15x-24

7 0
2 years ago
Read 2 more answers
Which statements describe a parabola? Check all that apply. A parabola is the set of all points equidistant from the directrix a
katen-ka-za [31]

Answer:

A parabola is the set of all points equidistant from the directrix and focus.

The line of symmetry intersects the focus and directrix

The line of symmetry and the directrix are perpendicular

Step-by-step explanation:

A parabola is the set of all points in a plane that are equidistant from a fixed point (focus) and a line (directrix).

The fixed line of a parabola is known as the directrix of the parabola.

The line of symmetry is a line that passes through the focus and is perpendicular to the directrix. The line of symmetry divides the parabola.

The directrix of a parabola does not intersect touch the parabola

8 0
2 years ago
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Solve the equastion for x + 2 1/2 =10
Virty [35]

Answer:

x= 7 1/2

Step-by-step explanation:

Subtract the 1/2 to get it out of the way (whatever you do on one side of the = sign you have to do to the other)

So 10- 1/2= 9 1/2

Subtract the 2 to get it out of the way

9 1/2-2=

7 1/2

Hope it helped :)

8 0
1 year ago
A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for p
Mumz [18]

Answer:

3

Step-by-step explanation:

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We have to find the slope for regression on Y from X

The slope on Y from X is given by b_{yx}=\frac{SP}{SS_X}

As we have given the value of SP =30 and value of SS_X=10

So slope for regression will be b_{yx}=\frac{30}{10}=3

3 0
3 years ago
"Find x" I managed to get -6/2c, I just want to double check if that is correct
Soloha48 [4]

- 6/2c is the correct solution

collect like terms : 3cx - cx = 2cx

hence 2cx = - 6

dividing both sides by 2c gives x = - 6/2c


7 0
3 years ago
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