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stepan [7]
3 years ago
5

Question in picture correct answer marked brainliest

Mathematics
1 answer:
sergejj [24]3 years ago
7 0
C because you need to use the formula and then calculate
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VladimirAG [237]

Answer:

C

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3 years ago
Question 2 (4 points)
Nady [450]

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3 years ago
A triangle has the lengths of (10a+9) centimeter,(8a—3) centimeters and (10b+7). Which expression represents the perimeter in ce
marysya [2.9K]

Answer:

P = (18a+10b+13) cm

Step-by-step explanation:

Given that,

A triangle has the lengths of (10a+9) cm, (8a—3) cm and (10b+7) cm.

We need to find an expression that represents the perimeter of the triangle.

Perimeter = sum of all sides

P = (10a+9) + (8a-3) + (10b+7)

Taking like terms together,

P = (10a+8a)+10b+(9-3+7)

= 18a+10b+13

Hence, the epresssion for the perimeter is (18a+10b+13) cm.

6 0
2 years ago
Find the distance between the points:
lesantik [10]
To calculate distance between two points we use the distance formula sqrt((x2−x1)^2+(y2−y1)^2).  

To start, we find the square of the distance between x1 and x2 and y1 and y2.  The distance between x1 and x2, or 1 and 3, is 2. The distance between y1 and y2, or 3 and -4, is 7.

Now we square 2 and 7 and add them together to get 4 + 49 = 53.

The last thing we do to find the distance is take the square root of 53. 53 is not a perfect square and is also a prime number so our answer in simplest form is still sqrt53.<span />
6 0
3 years ago
A packet of tickets for 4 hame games cost $180. What proportion can you write to find what a 12-game packet cost if all individu
densk [106]
You would write the following proportion: 4/12= 180/x

When you solve the proportion the answer is 540, which means that 12 game packet costs $540.
8 0
3 years ago
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