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mart [117]
3 years ago
5

A triangle has a perimeter of 102 yards. The first side is twice the length of the second side. The third side is 6 yards longer

than the second side. How long is each side ?
Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

48,24,30

Step-by-step explanation:

Let, the length of second side be x

A/c to question,

first side (a) = 2x

second side (b) = x

third side (c) = x + 6

Perimeter of ∆ (p) = 102

And,

Perimeter of ∆ = a + b + c

102 = 2x + x + x + 6

102 - 6 = 4x

96 = 4x

x = 96/4

x = 24

Now,

first side = 2*24 = 48

second side = 24

third side = 24 + 6 = 30

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Part A
Anuta_ua [19.1K]

Answer:

Part A: There are 4 zeros of the polynomial function f(x)

Part B: The zeroes of the polynomial function f(x) are -4, -1, 0, 2 ⇒ C

Step-by-step explanation:

<em>The zeroes of a function are </em><em>the x-coordinates of the point of intersection between the graph of the function and the x-axis</em><em> (x-intercepts) which means </em><em>values of x at y = 0</em>

Part A:

In the given graph

∵ The graph of the function f(x) = -x^{4} - 3x³ + 6x² + 8x intersects the x-axis

   at 4 points

→ That means there are 4 values of x have y = 0

∴ The number of zeroes of the function is 4

∴ There are 4 zeros of the polynomial function f(x)

Part B:

∵ The graph intersects the x-axis at points (-4, 0), (-1, 0), (0, 0), (2, 0)

→ That means the values of x at y = 0 are -4, -1, 0, 2

∴ f(x) = 0 at x = -4, -1, 0, 2

∴ The zeroes of the polynomial function f(x) are -4, -1, 0, 2

4 0
2 years ago
Find the exact value of sin A in simplesr radical form
lawyer [7]

Answer:

yes yes yessssssssssssss

Step-by-step explanation:

6 0
2 years ago
What value of x is in the solution set of –5x – 15 &gt; 10 + 20x?
Shalnov [3]

HI Brainiac


-5x-15 > 10+20x

-5x-20x > 10+15

-25x > 25

Divide both sides by -25

-25x/-25 > 25/-25

x < -1

Answer : B


I hope that's help:)

Have a great night :)


7 0
3 years ago
Read 2 more answers
So are teacher ‍ gave us the answer but she wants us to to the work and I have tried so hard and I can’t find it
SVEN [57.7K]

In order to find the shaded region the first thing you have to do is find the area of the two small triangles, then find the area of the big triangle. Subtract the area of the small triangles from the big one and that is the area.

Step one: 11×12=132

Step two: 132÷2= 66

Step three: 66+66=132 (because there is two small triangles with same dimensions)

Step four: 40×15=300

Step five: 300-132=168

Answer 168m^2

8 0
3 years ago
Can someone do these? i'll give brainleist to whoever does them all​
igor_vitrenko [27]
You have to multiply 6x6x6= 218
4 0
3 years ago
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