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bagirrra123 [75]
3 years ago
11

Help, will give brainiest!

Mathematics
1 answer:
Scrat [10]3 years ago
5 0

Answer:

The answer is (2) 4

Step-by-step explanation:

Give brainliest

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Use the triangle pictured to calculate the following measurements.
DanielleElmas [232]
Perimeter:
 The perimeter of the triangle is the sum of its sides.
 We have then:
 P = 8 + 12 + 10
 P = 30 units

 Semi-perimeter: 
 In geometry, the semiperimeter of a polygon is half its perimeter.
 s = P / 2
 s = 30/2
 s = 15 units.

 Area: 
 Knowing the semiperimeter and the sides, the area is:
 A = root (s * (s-a) * (s-b) * (s-c))
 where,
 s: semi-meter
 a, b, c are sides.
 A = root (15 * (15-8) * (15-12) * (15-10))
 A = 39.68626967
 A = 40 units ^ 2
8 0
3 years ago
Read 2 more answers
Please help and get points!
Arada [10]

Answer:

D

Step-by-step explanation:

5 0
2 years ago
Using the given points and line, determine the slope<br><br> (8,1) and (8,-4)
DENIUS [597]
To solve for slope, use the equation:

slope = (y₂ - y₁)/(x₂ - x₁)

(8,1) = (x₁, y₁)
(8, -4) = (x₂, y₂)

Plug into corresponding places

(-4 - 1)/(8 - 8)

-5/0 = Undefined (because you cannot have parts over 0)

There is no slope. Unsolvable


hope this helps

5 0
3 years ago
Farmer Creel started with some tots on his farm. he had 360 totts after 10 days. after 16 days he had 306 totts. What's the rate
Alina [70]
Rate of change= (y2-y1)/(x2-x1)=(306-360)/(16-10)= - 54/6= - 9
4 0
3 years ago
Factor this polynomial expression.<br> 10x2 - 7x-12
Black_prince [1.1K]

Answer:

(2x - 3)(5x + 4)

Step-by-step explanation:

Given

10x² - 7x - 12

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 10 × - 12 = - 120 and sum = - 7

The factors are - 15 and + 8

Use these factors to split the x- term

10x² - 15x + 8x - 12 ( factor the first/second and third/fourth terms )

= 5x(2x - 3) + 4(2x - 3) ← factor out (2x - 3) from each term

= (2x - 3)(5x + 4)

7 0
3 years ago
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