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pickupchik [31]
4 years ago
11

Please help asap 45 pts

Mathematics
2 answers:
ziro4ka [17]4 years ago
5 0
The correct answer is c
because 3b * 3b = 9b²
then 5*-5 = -25

brainliest?
julia-pushkina [17]4 years ago
5 0
C. (3b+5)(3b-5)

square root the two numbers being factored
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What is the resulting ordered pair if the value of the independent variable is 2?
quester [9]
To find f(2), put 2 where the variable is, then do the arithmetic. It might be easier to factor out x^2:
  f(x) = (-6x-4)·x^2
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Then the ordered pair (x, f(x)) for x=2 is
  B. (2, -64)
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The scale factor for two similar rectangles is 3. If the area of the smaller one is 8m^2, what is the area of the larger rectang
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The length of the smaller rectangle at the right is 1 inch less than twice its width. Both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle.
3 0
4 years ago
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This is a picture of a cube and the net for the cube.
Nataliya [291]

Answer:

1196 mm^2

Step-by-step explanation:

That's really well described. All in all you have 6 squares all laid out flat. Each square has a side of 14 mm.

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3 0
3 years ago
Given: y ll z
emmainna [20.7K]

Answer:

As per the properties of parallel lines and interior alternate angles postulate, we can prove that:

m\angle 5+m\angle 2+m\angle 6=180^\circ

Step-by-step explanation:

<u>Given:</u>

Line y || z

i.e. y is parallel to z.

<u>To Prove:</u>

m\angle 5+m\angle 2+m\angle 6=180^\circ

<u>Solution:</u>

It is given that the lines y and z are parallel to each other.

m\angle 5, m\angle 1 are <em>interior alternate angles </em>because lines y and z are parallel and one line AC cuts them.

So, m\angle 5= m\angle 1 ..... (1)

Similarly,

m\angle 6, m\angle 3 are <em>interior alternate angles </em>because lines y and z are parallel and one line AB cuts them.

So, m\angle 6= m\angle 3 ...... (2)

Now, we know that the line y is a straight line and A is one point on it.

Sum of all the angles on one side of a line on a point is always equal to 180^\circ.

i.e.

m\angle 1+m\angle 2+m\angle 3=180^\circ

Using equations (1) and (2):

We can see that:

m\angle 5+m\angle 2+m\angle 6=180^\circ

<em>Hence proved.</em>

7 0
3 years ago
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