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Valentin [98]
3 years ago
11

What value correctly fills in the blank so that the expressions are equivalent?

Mathematics
2 answers:
aleksley [76]3 years ago
8 0

Answer:

8

Step-by-step explanation:

32 + 72 = 13x

104 = 13x

x = 8

Novay_Z [31]3 years ago
8 0

Answer:

8

Step-by-step explanation:

32+72=x(4+9)

32+72=x(13)

104=13x

x=8

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Choose all the zeros of the quadratic function defined by the expression 2x2 + 5x - 12
Andrej [43]

Answer:

3/2 and -4

Step-by-step explanation:

that is the answer

8 0
3 years ago
2/3 of a day (in hours) explain also​
bezimeni [28]
Its 16
a day has 24 hours and 24/3 its 8 wich is 1/3 and if you multiply it by 2 its 2/3 which is 16
6 0
3 years ago
-2(2u-3)+3u=3(u+8)<br> u=?
dsp73
If you expand this equation first
You get -4u+6+3u=3u+24

And if you simplify that you get:
-u+6=3u+24
Now you need to solve this equation to find u

First bring 3u to the other side to -u-3u (the positive changes to negative)
Now the equation is
-4u+6= 24
Take 6 of both sides
-4u=24-6= 18
-4u= 18
So u= -18/4
Which simplifies to -9/2

Answer: -9/2
7 0
3 years ago
If the angle is preserved, which describes the effect of moving the plane closer to the cone's vertex? Check all that apply.
Sholpan [36]

Let's go though the choices.

Major axis will get shorter.  TRUE, CHECK ME

As the plane moves closer to the vertex the ellipse stays the same shape but shrinks.

Ellipse will become a circle.  FALSE

As long as the plane is tilted, the ellipse can't be a circle.

Ellipse will degenerate to a point.  TRUE, CHECK ME

Eventually the plane gets to the vertex, at which point (ha!) we have a single point.

Nappes?  Is that a word?   FALSE

The plane needs a steeper angle, steeper than the generators, before it can pass through both halves.

The generators are the lines through the vertex that form the cone.  The plane isn't steep enough to hold any of them. FALSE

4 0
3 years ago
PLZ QUICK!!
iragen [17]

Answer:

See attached graph

Step-by-step explanation:

The equation is y-3=(x + 6)

Write the equation in a slope intercept form, then graph the equation on a graph tool to see the points that line on the line.

Alternatively , using the coordinates in the answer choices given, input them in the equation of the graph and select the answer choice that has all its coordinates true to the equation.

y-3 = x+6  -----can be written as : y= x+9

Graph  y= x+9 to see the graph and the points that are on the line as attached.

3 0
3 years ago
Read 2 more answers
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