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Zina [86]
4 years ago
7

Please helllppppppppp

Mathematics
1 answer:
kondaur [170]4 years ago
4 0

Answer:

x=3cm

Step-by-step explanation:

This is a basic proportion question.

2/18 = x/27

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F(x) = 9 sin(x) + cot(x), −π ≤ x ≤ π find the interval of increase.
podryga [215]
We are given the function
F(x) = 9 sinx + cot x

We need to take the first derivative of the given function so,
F' (x) = 9 cos x - csc² x

Next, we equate the first derivative of the function to 0 and solve for the values of x
0 = 9 cos x - csc² x
Solving for x
x = 2.04

Picking out an arbitrary value between 2.04 and π, say 3 and substituting in F(x)
F(3) = 9 sin 3 + cot 3 = 19.55

Therefore, the interval where the function is increasing is from 2.04 to π
Consequently, the interval where the function is decreasing is from -π to 2.04<span />
4 0
4 years ago
A rectangle has a perimeter of 84 miles and a height of 26 miles .what is the length of the base?
ExtremeBDS [4]

Answer:

16 miles

Step-by-step explanation:

The height is 26 miles. Multiply that by 2 which gets 52 and then subtract that from 84. That gives you 32 which means the sum of the lengths is 32/2 which is 16 miles

6 0
4 years ago
If ABC ~ DEF what is the scale factor of abc to def
Yuri [45]

Answer:

It might be 1/3 but I'm not 100% sure

5 0
3 years ago
The diagonals of a Rhombus are 2Dm and 3M. What’s is the area of the Rhombus??
NemiM [27]

Answer:

336m^{2}

Step-by-step explanation:

Area of Rhombus = (1/2)*xy

Where x and y are length of diagonals

Area = (1/2) * 21 * 32 = 21* 16 = 336

Area = 336 m²

7 0
4 years ago
16z+29z=pz-v solve for z
Margarita [4]
<span>16z + 29z=pz - v

45z - pz = -v

z(45 - p) = -v

z = </span>\frac{-v}{(45 - p)}
8 0
3 years ago
Read 2 more answers
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