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lubasha [3.4K]
3 years ago
15

W^2-4w+ ?  what lake the expression a perfect square

Mathematics
2 answers:
Lorico [155]3 years ago
8 0
(w-2)(w-2)                                                                                                                      -2w*w=-2w^2                                                                                                                     w*-2=-2w                                                                                                                         =-4w                                                                                                                               w^2-4w+4
Inga [223]3 years ago
8 0
To complete the squre you take the B value ( Ax^2+Bx+c) divide by two then square it so it would be 4
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a rhombus as an area of 72 ft and the product of the diagonals is 144. What is the length of each diagonal?
SashulF [63]

A = (1/2)(x)(y)

Let x = diagonal 1

Let y = diagonal 2

The product of xy = 144.

This means that x = 12 and y = 12.

So, 12 • 12 = 144

Each diagonal is 12 feet.

Prove:

72 feet = (1/2)(12)(12) feet

72 feet = (1/2)(144) feet

72 feet = 72 feet

6 0
4 years ago
1. c+z when c = 3 and z = 17
ivann1987 [24]
1) 3+17= 20
2) 40-15= 25
3) 3 x 20= 60
4) 35/5= 7
5) 2 x 6= 1
12= 1
1/12.
8 0
3 years ago
twin oaks soccer field is a rectangle. The longer side of the field is 108 yards long. The shorter side is 56 yards long. What i
Rus_ich [418]

Answer:

P = 328 yards

Step-by-step explanation:

formula is P= 2l + 2w

p  =  2(108) + 2(56) \\  = 216 + 112 \\  = 328  \: yards

5 0
2 years ago
Beau and Bella's grandmother gave them a pack of 54 pencils for school. How many pencils will each get?
rusak2 [61]
27 because you have to divide 54 pencils by two people
4 0
3 years ago
Read 2 more answers
Solve the equation for the variable numerically using a
tangare [24]

Answer:

x= 12

Step-by-step explanation

3x+8=44

subtract 8 from both sides:  3x+8= 44

                                                     -8    -8

3x=36

then divide by 3 on both sides

3x=36

3    3

which leaves : x=12

my explaining is horrible but i hope this helps

8 0
3 years ago
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