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Rufina [12.5K]
3 years ago
14

I need help on this question thanks!! :)

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0
Perimeter = 3y + 7 cm
weeeeeb [17]3 years ago
3 0

Answer:

perimeter = 3y + 7 cm

Step-by-step explanation:

perimeter = y + y + y + 5 = 3y + 7 cm

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231 km 811 m + 485 km 829 m
Goshia [24]
The answer I got is 717.64 but I could be wrong
5 0
3 years ago
The sum of two numbers is 64. The difference between the numbers is 14. Write a system
Anastasy [175]

Answer:

They say that the sum of the two numbers (x and y) is 64, so we can write our first equation by adding them and setting that sum equal to 64:

x + y = 64

The question also tells us that their difference is 14. Similarly to before, we'll just subtract the two numbers and set that difference equal to 14:

x - y = 14

Now from here, you know how to continue with substitution to find the values for x and y. Just remember when you get a word problem to break it down and look for key words like sum, difference, or product, and from there you'll be able to build your system of equations.

8 0
2 years ago
Consider this equation: {x-9 - 2x+2 = 1 Which is an equivalent equation after combining like terms? 8 X-11=1 3 -= -4 X-71 3 8 -7
grandymaker [24]

Answer:

  • B. -4/3x - 7 = 1

Step-by-step explanation:

  • 2/3x - 9 - 2x + 2 = 1
  • 2/3x - 2x - 7 = 1
  • 2/3x - 6/3x - 7 = 1
  • -4/3x - 7 = 1

Correct option is B

8 0
3 years ago
A patient has been prescribed 1 gram (g) of Drug A. The stock dose is available in 250 milligram (mg) tablets. How many tablets
lord [1]

Answer:

4

Step-by-step explanation:

1 g = 1,000 mg

1,000/250 = 4

7 0
2 years ago
2. The sum of two numbers is 51 and the greater number is twice the smaller number. Find the numbers aj set up the variables (2
storchak [24]

Answer:

Larger number = 34

Smaller number = 17

Step-by-step explanation:

Given that:

Sum of numbers = 51

Let,

x be the larger number

y be the smaller number

According to given statement;

x+y=51       Eqn 1

x = 2y        Eqn 2

Putting x=2y in Eqn 1

2y+y=51

3y=51

Dividing both sides by 3

\frac{3y}{3}=\frac{51}{3}\\y=17

Putting y=17 in Eqn 2

x=2(17)

x=34

Hence,

Larger number = 34

Smaller number = 17

7 0
3 years ago
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