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adoni [48]
4 years ago
11

Expand and simplify (p+7)(p-8)

Mathematics
1 answer:
Kitty [74]4 years ago
8 0
P^2-8p+7p-56
First I foiled. This meaning that I multiplied the first numbers in each pair of parentheses, then I multiplied the outside numbers, then the inside numbers and finally the last numbers.
p^2-p-56
Second I combined like factors.
This should be your final answer, keep in mind that ^2 means squared.
p^2-p-56
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Given f (x) = 3x+4, find f (2)
Rasek [7]

f(x) = 4x + 4 means that if we put an x into our function, a 3x + 4 come out.

So in this problem, we're putting a 2 into our function which

means that a 3(2) + 1 comes out which simplifies to 6 + 1 or 7.

So f(2) = 7 or the value of the function at 2 equals 7.

8 0
3 years ago
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NO LINKS!! Use the diagram below to answer the following questions.​
diamong [38]

Answer:

a) WS, ZV, YU

b) VU

c) ZW

d) WXY

e) None

f) TU, TV, UV, XY, XZ, YZ

g) SW, VX, VZ, WX, WZ, YZ

Step-by-step explanation:

A prism is a polyhedron that has:

  • Two bases that are congruent and parallel to each other.
  • Lateral sides that are parallelograms and link the two bases.
  • Height that is the distance between the two bases.

From inspection of the give diagram, the figure appears to be a quadrilateral prism with bases STUV and WXYZ.

<u>Parallel line segments</u>

  • Parallel line segments lie on parallel lines.  
  • Parallel lines are lines on a plane that <u>never meet</u> and are the <u>same distance apart</u>.

a) Segments parallel to XT:

  • WS, ZV, YU

b) Segments parallel to ZY:

  • VU

c) Segments parallel to VS:

  • ZW

<u>Planes</u>

  • A plane is a flat, two-dimensional surface that extends into infinity.  
  • A plane can be named by the letters naming three non-collinear points in the plane.
  • Parallel planes are planes that never intersect.

d) Planes parallel to plane STU:

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e) Planes parallel to plane UVZ:

  • None

<u>Skew lines</u>

Skew lines are a pair of non-coplanar lines that:

  • Do <u>not</u> intersect.
  • Are <u>not</u> parallel to each other.

f) Segments skew to SW:

  • TU, TV, UV, XY, XZ, YZ

g) Segments skew to UT:

  • SW, VX, VZ, WX, WZ, YZ
3 0
1 year ago
Solve for x cos90=4/x
n200080 [17]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

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7 0
3 years ago
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Answer:

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y= x+3

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x= 3

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6 0
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4 years ago
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