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2 years ago

A rectangle has vertices at A(4,1), B(1,1), C(1,-6), and D(4,-6). What is the area of the rectangle?

Mathematics

2 answers:

slamgirl [31]2 years ago

8 0

using the given coordinates, the rectangle is 7 by 3 units

area = 7*3 = 21 square units

kotegsom [21]2 years ago

8 0

The Area of the rectangle would be 21 square units

Hope this helped:)

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Generate the first 7 terms of the sequence defined by Q = 3n+ 5.

d1i1m1o1n [39]

Answer:

8,11,14,17,20,23,26

Step-by-step explanation:

Q = 3n+ 5

an=3n+5

a1=3(1)+5=8

a2=3(2)+5=11

a(3)=3(3)+5=14

a4=3(4)+5=17

a5=3(5)+5=20

a6=23

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What number must be added to the expression below to complete the square?

stiv31 [10]

D. 1/4

Explanation:

a perfect square is written in the form

$(x+a)^2 = x^2 + 2ax +a^2$ (1)

In our problem, we have this perfect square:

$x^2 - x + C$ (2)

with C being unknown. However, by comparing (1) and (2), we know that

$2a=-1$

So, we find

$a=-\frac{1}{2}$

and therefore, the missing term must be

$a^2 = \frac{1}{4}$

so the complete square is

$x^2 -x +\frac{1}{4}$

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2 years ago

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