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Luba_88 [7]
3 years ago
8

A number decrease by 12 is 45

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

D. N-12=45

Step-by-step explanation:

HOPE IT HELPS YA

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Jeannine needs to decide what size to make a rectangular
Harlamova29_29 [7]

Answer:

Total number of possible combinations are 6

Length   width

23 dm     2m

21 dm       4 dm

19 dm       6 dm

17 dm         8 dm

15 dm         10 dm

13 dm          12 dm

Step-by-step explanation:

We are given that

Perimeter of rectangular garden=50 dm

Width is  even number.

Length is always longer than or equal to width.

Let length of rectangular garden=x

Width of  rectangular garden=y

We have to find the possible  number of combinations .

Perimeter of rectangular garden=2(x+y)

2(x+y)=50

x+y=50/2

x+y=25

If y=2 dm

x=25-2=23 dm

If y=4 dm

x=25-4=21 dm

If y=6 dm

x=25-6=19 dm

If y=8 dm

x=25-8=17 dm

If y=10 dm

x=25-10=15 dm

If y=12 dm

x=25-12=13 dm

If y=14 dm

x=25-14=11 dm

x<y

It is  not possible

Then, possible combinations are 6

Length   width

23 dm     2m

21 dm       4 dm

19 dm       6 dm

17 dm         8 dm

15 dm         10 dm

13 dm          12 dm

5 0
2 years ago
X + y = -3 &amp; 5x - 2y = -50 ELIMINATION
Karolina [17]
I gotchu luh bro....

7 0
3 years ago
The Mendes family bought a new house 5 years ago for $100,000. The house is now worth $198,000. Assuming a steady rate of growth
Andrei [34K]
(new amount-old amount)=(198,000)-(100,000)=98% increase

98/5 years=19,600
Yr 1=$100,000+19,600=$119,600
Yr 2=$119,600+19,600=$139,200
Yr 3=$139,200+19,600=$158,800
Yr 4=$158,800+19,600=$178,400
Yr 5=$178,400+19,600=$198,000

The mortgage grew at a steady rate of $19,600 over the 5 years...

HOPE THIS HELPS :)

5 0
3 years ago
The sum of two numbers is 23. Twice one number increased by 6 is the same as 4 times the other number decreased by 2. What is th
Crank

Answer:

One number is 4.2, the other is 18.8

Step-by-step explanation:

1.)  x+y=23

    (x+6y)x2=4

2.) (x+6y)x2=4   =   2x+12y=4

3.)Use elimination/substitution to solve

     2x+12y=4  =   x+6y=2  =  x=2-6y

     2-6y+y=23

4.)Solve for y

     2-5y=23 -> -5y=21 -> y=4.2.

5.)Solve for x

    x+4.2=23

    x=18.8

I may be wrong so let me know if I am

8 0
2 years ago
"/54. x6. y12 = 3x²y^"/2
rusak2 [61]

Answer:

The answer is A

Step-by-step explanation:

6 0
2 years ago
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