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Anni [7]
2 years ago
8

The ______ property of equality stated that if you divide both side by an equation by the same non cero number , the two sides w

ill remain equal
Mathematics
1 answer:
sattari [20]2 years ago
3 0

Answer:

division

Step-by-step explanation:

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Find the two numbers that have a<br> difference of 3 and a sum of 27.
polet [3.4K]
12 and 15 

15-12=3
15+12=27
5 0
2 years ago
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The area of a rectangle is 21 cm². If one side exceeds the other by 4 cm, find the dimensions of the rectangle.​
Over [174]

Answer:

3cm and 7cm

Step-by-step explanation:

The length is 7cm.

The width is 3cm.

Area = Length × Width = 7cm × 3cm = 21cm²

7 0
2 years ago
Find the perimeter of a triangle with side lengths of (3c + 4), (5c - 2), and (4c + 7)
igor_vitrenko [27]

Answer:

12c +9 = Perimeter

Step-by-step explanation:

The perimeter of a triangle is found by adding all the sides

3c+4 + 5c-2 + 4c +7 = Perimeter

Combine like terms

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2 years ago
If thirty students come to school and 10% go home sick, how many students went home sick? Must show your work.
Lunna [17]
3

if 30 = 100%  and 10% went home sick, so 30*0.10
which is 3.

7 0
3 years ago
Angle A and Angle B are supplementary, mZA = (6x + 72) and mZB = (2x + 28)". Find x, the
Alexeev081 [22]

Answer:

x = 10

m<A = 132 degrees

m<B = 48 degrees

Step-by-step explanation:

Supplementary = angles that make up 180 degrees

We know <A and <B are supplemntary, so 2x+28+6x+72 = 180.

8x + 100 = 180

8x = 80

x = 10

I input 10 into the equations to solve for the measures of the angles

3 0
2 years ago
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