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Ainat [17]
2 years ago
14

100- 1/2 x=92 HELP ME OUT PEPS

Mathematics
2 answers:
Darina [25.2K]2 years ago
4 0

Answer:

Hi! The answer is x=16

frez [133]2 years ago
3 0

Step-by-step explanation:

<h3>100-1/2x=92</h3><h3>100-92=1/2x</h3><h3>8=1/2x</h3><h3>2×8=x</h3><h2>x=16.</h2>
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Solve 4 cos2x-3 = 0 for all real values of x.
vichka [17]

4 cos² x - 3 = 0

4 cos² x = 3

cos² x = 3/4

cos x = ±(√3)/2

Fixing the squared cosine doesn't discriminate among quadrants.  There's one in every quadrant

cos x = ± cos(π/6)

Let's do plus first.  In general, cos x = cos a has solutions x = ±a + 2πk integer k

cos x = cos(π/6)

x = ±π/6 + 2πk

Minus next.

cos x = -cos(π/6)

cos x = cos(π - π/6)

cos x = cos(5π/6)

x = ±5π/6 + 2πk

We'll write all our solutions as

x = { -5π/6, -π/6, π/6, 5π/6 } + 2πk integer k

3 0
3 years ago
14a^8c^9 + 2a^4c^3 [Algebra]
rosijanka [135]

Answer:

im not the best at algebra but

2a+3b+4c

Step-by-step explanation:

subtract

(2a−3b+4c) from the sum of (a+3b−4c),(4a−b+9c) and (−2b+3c−a).

add

=(a+3b−4c)+(4a−b+9c)+(−2b+3c−a)

=(a+4a−a)+(3b−b−2b)+(−4c+9c+3c)

=4a+8c

then subtract

=(4a+8c)−(2a−3b+4c)

=4a+8c−2a+3b−4c

=2a+3b+4c

3 0
3 years ago
describe the transformations that produce the graph of g(x)=1/2(x-4)^3+5 from the graph of the parent function f(x)=x^3. Give th
SSSSS [86.1K]

We have been given a parent function f(x)=x^{3} and we need to transform this function into g(x)=\frac{1}{2}(x-4)^{3}+5.

We will be required to use three transformations to obtain the required function from f(x)=x^{3}.

First transformation would be to shift the graph to the right by 4 units. Upon using this transformation, the function will change to g(x)=(x-4)^{3}.

Second transformation would be to compress the graph vertically by half. Upon using the second transformation, the new function becomes g(x)=\frac{1}{2}(x-4)^{3}.

Third transformation would be to shift the graph upwards by 5 units. Upon using this last transformation, we get the new function as g(x)=\frac{1}{2}(x-4)^{3}+5.

6 0
3 years ago
Write the equation of the line that passes through the
Butoxors [25]

Answer: y = 2x also written as y = 2x + 0

Step-by-step explanation:

When dealing with parallel lines their slopes are ALWAYS the same so the equation would have the slope of 2, but to find the y intercept you have to plug the coordinate given into the point-slope formula (y - y1) = m(x - x1) where m is the slope, y1 is the y output of the coordinate and x1 is the x input of the coordinate.

1. Plug cordinate into point slope form equation:

(y - 0) = 2(x - 0)

2. Distribute the 2 to x and 0

y - 0 = 2x - 0

The two zeros cancel out because they are 0s to begin with so your final answer for your y - intercept is 0

hope this helps :)

5 0
3 years ago
Pls, help! I don't understand this!
aliya0001 [1]
2. the scale factor is x= 4.5 cm
this is because when u see how much it dilated from 4cm to 2cm it divided from 2, so if u did the same for the other number. Which is 9, it’s 9/2 which equals 4.5
4 0
2 years ago
Read 2 more answers
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