MATHEMATICS HIGH SCHOOL

Identify the binomial out of the following: (a) 3xy? +5y-ry (b) z’y-5y-ry (c) ry + y2 – ZI (d) 3.ry² + 5yry?​

Answers

Answer 1
Answer:

Answer: Choice D

Explanation:

A binomial involves two terms, either being added or subtracted.

Some examples include:

  • x+y
  • x^3-y^3
  • ab+c

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In the diagram, point O is the center of the circle and mADB = 43°. If mAOB = mBOC, what is mBDC?A) 45° B) 43° C) 41° D) 37° E) 33°

what is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7:3

Answers

Answer:

  B.  49:9

Step-by-step explanation:

The ratio of surface areas is the square of the ratio of edge lengths:

  7² : 3² = 49 : 9

Which expressions are equivalent to 16^x/4^x

Answers

16^1 = 4^2 16•1 = 4•4 16 = 16

Greg is designing the clock face for a homemade clock. Using the center of the clock face as the origin, he places the label 12 at the point (0, 5). At what point should he place the label 6?

Answers

(0, -5)

Graph these points so that the center of the clock is at (0, 0) and 12 is at (0, 5).

You know that, on a clock, 6 is directly below point 12 (0, 5). Therefore, we know that point 6 will have an x coordinate of 0.

Point 6 will also be the same distance from the center that point 12 is. Note that point 12 is 5 units from the center. Thus, point 6 will also be 5 units from the center.

There are two points that have an x coordinate of 0 and are 5 units from the center (0, 0). These are (0, 5) and (0, -5). Since the first of these is point 12, we know that (0, -5) must be point 6.

PLZ HELP NEED HELP PLEASE HELP

Answers

Answer:

115

Step-by-step explanation:

Answer:

x = 115°

Step-by-step explanation:

We know that a triangle has 180° in total when you add up all the interior angles. So in order to find the value of x°, we need to find the missing angle in the triangle itself:

180°-(75°+40°)

= 180° - 115°

= 65°

To find x°, we know that the 65° angle + x° is equal to 180° because it's a supplementary angle. So:

x° + 65° = 180°

x° = 115°

5= x^(2) +2xsolve the equation using any method you prefer. Give imaginary roots.

Answers

5=x^2+2x\nx^2+2x-5=0\nx^2+2x+1-6=0\n(x+1)^2=6\nx+1=\sqrt6 \vee x+1=-\sqrt6\nx=-1+\sqrt6 \vee x=-1-\sqrt6

What is the volume of a triangular pyramid that is 4ft tall and has a base area of 3 square feet

Answers

Volume of triangular pyramid = 1/3 * area of base *  height
                                               = 1/3*A*h

Base area = 3 square ft
Height       = 4 ft

Volume = 1/3*a*h
             = 1/3 * 3 * 4
             = 4 cubic ft
i thought that was right 
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