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svlad2 [7]
3 years ago
14

Anyone help find this out for 20 points? appreciated

Mathematics
1 answer:
shusha [124]3 years ago
6 0

Answer:

Unknown weight is 11.5kg.


Step-by-step explanation:

Square weight is 4kg. 4×5 =20.

Round weight is 2.5kg. 2×4+2×2.5=13.

Left pan is 4+3×2.5=4+7.5=11.5.

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The sum of three numbers equal 92. The second number is 8 more than the first number. The third number is 2 times the second num
Minchanka [31]
I hope this helps you

7 0
3 years ago
Question 1: Find the equation of the line through point (5,4) and perpendicular to y=−43x−2. Use a forward slash (i.e. "/") for
Mariulka [41]

Answer:

Question 1: y = 3/4x + 1/4.

Question 2: y = 6/5x + 7/5.

Step-by-step explanation:

Question 1: A line perpendicular to another line would have a slope that is the negative reciprocal of the other line. If the slope of the first line is -4/3, the slope of a line perpendicular to the first would have a slope of 3/4.

Since the line goes through (5, 4), we can just put the points into the equation, y = 3/4x + b.

4 = 3/4(5) + b

b + 15/4 = 4

b = 16/4 - 15/4

b = 1/4

So, the equation of the line is y = 3/4x + 1/4.

Question 2: 5x + 6y = -6

6y = -5x - 6

y = -5/6x - 1

As stated before, a line perpendicular to another will have a slope that is the negative reciprocal of the other. So, the slope of the other line is 6/5.

The line goes through (-2, -1), so we can put the points into the equation, y = 6/5x + b.

-1 = 6/5(-2) + b

b - 12/5 = -5/5

b = -5/5 + 12/5

b = 7/5

So, the equation of the line is y = 6/5x + 7/5.

Hope this helps!

8 0
3 years ago
The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24
kherson [118]

Answer:

The answer is 5.

Step-by-step explanation:

It's the only one that makes sense, and i took the quiz and got 100%

You're welcome :D

4 0
3 years ago
Does anyone know what -23= 13w+2w+22 is plz help!
AlladinOne [14]

Answer:

w = -3

Step-by-step explanation:

-23 = 13w + 2w + 22

Combine like terms (add 13w and 2w and subtract 22 from both sides)

-45 = 15w

Divide both sides by 15

w = -3

4 0
3 years ago
which of the anwser choice shows the following numbers arranged from least to greatest? √37, -6.3, -1.6, √30, -√35
9966 [12]

Answer:

-35, -6.3, -1.6, 30, 37

Step-by-step explanation:

5 0
3 years ago
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