How to find the length and width of a rectangle when given the perimeter?

Answers

Answer 1

Answer: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides.

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What polynomial must be added to x^2-2x+6 so that the sum is 3x^2+7x?

John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?

Answers

john had 21.00After buying 2 notebooks he had 13.00

21-13= 8 / 2 =4 each notebook cost 4 dollars.

Which properties belong to all isosceles triangles? Check all that apply. The base angles are congruent.
All three angles are congruent.
The two sides opposite the base angles are congruent.
All three sides are congruent.
The bisector of the vertex angle is the perpendicular bisector of the base.

Answers

The base angles are congruent.

The two sides opposite the base angles are congruent.

The bisector of the vertex angle is the perpendicular bisector of the base.

Answer:

1,3,5

Step-by-step explanation:

How to plot the point (3,-7) on the coordinate plane

Answers

So, on a coordinate plane, also called a cartesian plane, there is the x and y axis.
Y is up and down, vertically & x is horizontal.
There is positive and negatives in coordinates.
The way the negatives and positives are positioned is like this:
The left hand side of the 'x axis' is negative.
The right hand side of the 'x axis' is positive.
The top part of the 'y axis' is positive.
The bottom part of the 'y axis' is negative.
Whilst plotting, you always start with the x axis. Considering 3 is a positive, you plot it on the right hand side. With your finger, mark out where the 3 is, and slide it down until you get to -7 on the plane.

Find the product of (3x²y²) (4xy³)²

Answers

First, I would solve the second parenthesis.

(4xy^3)^2

Distribute

(4^2 x^2 y^6)

4 x 4 = 16

Now, combine like terms

3x^2 x 4x^2 = 12x^4

y^2 x y^6 = y^12

So, the answer would be 12x^4 y^12

Hmm actually I'm not sure. I did this about two years ago so I don't really remember sorry if this is really wrong

(3x²y²)(4xy³)²
(3x²y²)(4xy³)(4xy³)
(3x²y²)(16x²y^6)
48x^4y^8

Find the 168th term of arithmetic sequence {a_{n}, n = 1, 2, 3, . . .} with common ifference d = 1.5 and first term a_{1} = 2.