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Art [367]
3 years ago
11

What is the expression 44 degrees equal to?

Mathematics
2 answers:
ella [17]3 years ago
6 0

Answer: 3) cos 46 degrees

Step-by-step explanation:

bekas [8.4K]3 years ago
3 0
Sin44 is the same as Cos46. Hope this helped.
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A circle with a area 9 pie has a sector with a central angle of 60 degrees
goldfiish [28.3K]

Answer:

4.71 square units

Step-by-step explanation:

central \:  \angle \: ( \theta) = 60 \degree \\  \\ area \: of \: sector \\  =  \frac{\theta}{360 \degree }  \times area \: of \: circle \\ \\   =  \frac{60 \degree }{360 \degree }  \times 9\pi \\  \\  =  \frac{1}{6}  \times 9\pi \\  \\  = 1.5\pi \\  = 1.5 \times 3.14 \\  = 4.71 \:  {units}^{2}  \\  \\ \red{ \bold{ area \: of \: sector = 4.71\:  {units}^{2} }} \\

4 0
3 years ago
Someone help please! Determine the intercept of the line that passes through the following points ​
storchak [24]

Answer:

x: (-5.0)

y: (0, -17.5)

Step-by-step explanation:

The x-intercept of the line is when y=0. In the table is the point (-5,0). This is the x-intercept.

To find the y-intercept, find when x=0. Write an equation for the table in y=mx + b. Find the slope between two points first.

m = \frac{y_2-y_1}{x_2-x_1} = \frac{7-0}{-7--5} =\frac{7}{-7+5}=-\frac{7}{2} = -3.5

The slope is -3.5. So the equation is

y - 7 = -3.5(x--7)

y - 7 = -3.5 (x+7)

y - 7 = -3.5x - 24.5

y = 3.5x - 17.5

Since it is in y=mx+b, b= -17.5 and this is the y-intercept.

5 0
3 years ago
if Lylah completes the square for f(x)=x squared -12x+7 in order to find the minimum she must write f(x) in the general form f(x
abruzzese [7]

Answer:

A. 6

Step-by-step explanation:

f(x) = x² − 12x + 7

To complete the square, we first factor the leading coefficient to make it 1 (which it already is).

Then, we take half the second coefficient, square it, and then add to both sides.  So (-12/2)² = (-6)² = 36.

f(x) + 36 = x² − 12x + 36  + 7

Then we factor the perfect square:

f(x) + 36 = (x − 6)² + 7

Then solve for f(x) by subtracting and simplifying:

f(x) = (x − 6)² + 7 − 36

f(x) = (x − 6)² − 29

So the value of a is 6.

6 0
3 years ago
The triangle shown below has an area of 16 units^2<br> Find x.
Oduvanchick [21]

Answer:

8 units squared

Step-by-step explanation:

Here's the formula of a triangle

base*height divided by 2

So, we know that the base is 4.

We have to work backwards.

16*2 is 32

32 divided by 4 is 8.

Now let's see

8*4 is 32 divided by 2 is 16!

Hope you understand :)

4 0
3 years ago
Read 2 more answers
Please help asap 25 pts
otez555 [7]

4(k+5)=2(9k-4)\qquad|\text{use distributive property}\\\\(4)(k)+(4)(5)=(2)(9k)+(2)(-4)\\\\4k+20=18k-8\qquad|\text{subtract 20 from both sides}\\\\4k=18k-28\qquad|\text{subtract 18k from both sides}\\\\-14k=-28\qquad|\text{divide both sides by -14}\\\\\boxed{k=2}\to\boxed{d.}

6 0
3 years ago
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