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Katarina [22]
3 years ago
15

Which of the following can be the side lengths of a triangle?

Mathematics
1 answer:
kogti [31]3 years ago
7 0
<span>In a triangle the sum of two sides is always greater than the third side.

</span><span>A:12,9,21
</span><span>12+9 = 21
21 = 21  </span>⇒  no

<span>B:7,6,12
</span>7+6 = 13
13 > 12  ⇒  yes

<span>C:3,8,14
</span>3+8 = 11
11 < 14  ⇒  no

<span>D:23,13,37
</span>23+13= 36
36 < 37  ⇒  no

Answer: <span>B:7,6,12</span>
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4 0
3 years ago
Evaluate g(x) = 0.023x3 + 0.4x2 − 2.1x + 8.3 for x = 2 and x = 4.
vivado [14]

Plug in 2 and 4 for every instance of x in the function g(x).

g(x) = 0.023x³ + 0.4x² − 2.1x + 8.3

g(2) = 0.023(2)³ + 0.4(2)² − 2.1(2) + 8.3 = 5.884

g(4) = 0.023(4)³ + 0.4(4)² − 2.1(4) + 8.3 = 7.772

answer: 5.884 and 7.772

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3 years ago
What is the area of this triangle? Enter your answer in the box. units² ​
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Answer:

10u²

Step-by-step explanation:

The formula for area of a triangle is b*h/2. When you plug in the numbers, you get 10. Hope this helps!

6 0
2 years ago
Solve for y.<br> (3x - 3)<br> Enter your answer in the box.<br> y=<br> C<br> (8-4)
docker41 [41]

Answer:

-3.00000

Step-by-step explanation:

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earrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

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Tiger recognizes that we have here an equation of a straight line. Such an equation is usually written y=mx+b

"y=mx+b" is the formula of a straight line drawn on Cartesian coordinate system in which "y" is the vertical axis and "x" the horizontal axis.

In this formula :

y tells us how far up the line goes

x tells us how far along

m is the Slope or Gradient i.e. how steep the line is

b is the Y-intercept i.e. where the line crosses the Y axis

The X and Y intercepts and the Slope are called the line properties. We shall now graph the line  y+3x+3  = 0 and calculate its properties

7 0
3 years ago
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lana66690 [7]
The answer to the question

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