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chubhunter [2.5K]
3 years ago
14

Write this in algebraic. The sum of 12 and 9

Mathematics
1 answer:
Vinil7 [7]3 years ago
8 0

Answer:

21=12+9

Step-by-step explanation:

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Determine the perimeter and area plzzzz help​
mamaluj [8]

Answer:

The perimeter is 220 , the area should be 100 ,

Step-by-step explanation:The perimeter of the square is 40 because it’s all sides added together & they are all even - The perimeter of a circle is always 360 and this is half of a circle so that is a perimeter of 180; you add that to 40=220. The area is two sides multiplied together=100 for the square. You find the area of the half circle by doing the area of a circle divided by 2.

5 0
2 years ago
As an estimation we are told £3 is €4.<br> Convert €48 to pounds.
cupoosta [38]

Answer: £36

Step-by-step explanation:

4 Euros = £3

48 Euros (4x12) = £36 (3x12)

7 0
3 years ago
Read 2 more answers
An integer n&gt;1 is abundant if the sum of its proper divisors is greater n. find the smallest abundant integer.
Korvikt [17]
You can obviously skip over all the prime numbers. Take 4, 6, 8, 9, 10, 12, 14, etc.

4 only has two proper divisors: 1, 2
sum = 3

6 has three: 1, 2, 3
sum = 6

8 also has three: 1, 2, 4
sum = 7

10 has three: 1, 2, 5
sum = 8

12 has five: 1, 2, 3, 4, 6
sum = 16

12 is the least abundant integer.
3 0
3 years ago
The slope of the line below is -3. Use the coordinates of the labeled point to find a point-slope equation of the line. 10 -10 (
lesya [120]

Answer:

y + 7 = -3 ( x - 5 )

Step-by-step explanation:

Point slope is:

y-y_1=m(x-x_1)

We are given the slope of -3 and the point of (5, -7).

Replace the variables with the appropriate values.

y-y_1=m(x-x_1)\rightarrow\boxed{y+7=-3(x-5)}

The correct answer should be D.

Hope this helps.

8 0
3 years ago
Read 2 more answers
X+y=-4<br> x-y=2 <br> Use elimination with adding and subtraction
rusak2 [61]
ANSWER

x=-1,y=-3


EXPLANATION

The given equations are:

x + y =  - 4...(1)

and

x - y = 2...(2)


If we add equation (2) to equation (1) we get,


x + x - y + y  = 2 +  - 4


This implies that,.
2x =  - 2


Divide both sides by 2 to get,

x =  - 1


We put x=-1 into equation 1 to get,


- 1 + y =  - 4

We solve for t to get,


y =  - 4 + 1


This implies that,

y =  - 3
6 0
3 years ago
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