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Lynna [10]
3 years ago
11

12g^2 + 7g^2 simplify

Mathematics
2 answers:
Keith_Richards [23]3 years ago
6 0

Answer:

144 I think????? ????????

sukhopar [10]3 years ago
3 0

Answer:

19g^2

Step-by-step explanation:

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(-625)+925+100+(-200)​
lapo4ka [179]

Answer:

200

Step-by-step explanation:

-625 + 925 = 300

300 +100 = 400

400 +(-200) = 400-200

400-200 = 200

7 0
4 years ago
Amy and Darren each solved the following system of equations using a different method
kakasveta [241]

Answer:

what is

Step-by-step explanation:

the the 3 4 4

8 0
3 years ago
A playing card has an area of 50 square centimeters and a perimeter of 30 centimeters. What are the dimensions of the playing ca
Reika [66]

The dimensions of playing card is L = 10 centimeter and W=5 centimeter, If the playing card has an area of 50 square centimeter and a perimeter of 30 centimeters.

Step-by-step explanation:

The given is,

                  Playing card has an area of 50 square centimeters

                  A perimeter of 30 centimeters

Step:1

                 A playing card is in the shape of rectangle,

                 Formula for perimeter of rectangle is,

                                      Perimeter, P = 2(l+w) .........................(1)

                 Formula for area of rectangle is,

                                             Area, A= lw......................................(2)

                  Where, l - Length of rectangle

                             w - Width of rectangle

Step:2

                From the given values equation (1) becomes,

                                                       30 = 2(l+w)              

                                                       \frac{30}{2}=(l+w)      

                                                       15 =(l+w)

                                                       w=15-l  .............................(3)

                Width value in terms of length is calculated.

Step:2

                Equation (2) becomes,

                                                      50 = (15-l)(l)

                                                      50= 15l -l^{2}

                                      l^{2}-15l+50=0

              Solving the above equation,

                                                          =10

                                                       l=10 cm

Step:3

                 Equation (3) becomes,

                                                       w=15-l

                                                           =15-10

                                                           =5

                                                     w = 5 cm

Result:

           The dimensions of playing card is L = 10 centimeter and W = 5 centimeter, If the playing card has an area of 50 square centimeter and a perimeter of 30 centimeters.

3 0
3 years ago
Write an equation that describes the function x:0 1 2 3 y:0 4 8 12
Rudik [331]

y = x4! :D

0x4=0

1x4=4

2x4=8

3x4=12

7 0
2 years ago
A rectangle has an area of 364.5 cm2. If its length is 27 cm, find its<br> perimeter.
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4 0
3 years ago
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