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zaharov [31]
3 years ago
5

34 POINTS AWARDED!!

Mathematics
2 answers:
Grace [21]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

add 2 to both sides so then you have 4x=2x+10

then subtract 2x from both sides so you have 2x=10

then divide by 2 so you have  x=5


Otrada [13]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

4x -2 = 2x+8

Subtract 2x from each side to get all the x terms on the left side

4x-2x -2 = 2x-2x +8

2x-2 =8

Add 2 to each side to get all the constant terms on the right side

2x-2+2 = 8+2

2x=10

Divide by 2 to isolate x

2x/2 = 10/2

x =5

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Diagram I shows a triangle with a foot length of 4ycm and a height (y +5). Figure 2 shows a square with a length of y cm. Given
elixir [45]

Answer:

Area of ​​equilateral triangle:36cm

Square area:12cm

Step-by-step explanation:

We need to find the corresponding relationship, it is not difficult to find that this is a simple quadratic function problem.

I used pictures to express the process. You can click to view. I'm not English either. I'm Chinese, but I believe that academics know no boundaries.

7 0
3 years ago
Two consecutive odd integers have a sum of 32. Find the integers.
bezimeni [28]
Let
x = first consecutive odd
x + 2 = second consecutive odd

Based on the problem, we equate
x + (x + 2) = 32
Solving for x,
2x + 2 = 32
2x = 32 - 2
2x = 30
x = 30/2
x = 15
and x + 2 = 15 + 2 = 17

Therefore, the integers are 15 and 17.
6 0
4 years ago
Find the tangent line equation of the curve at the given point. Y=arcsin(7x) at the point where x=sqrt2/14
Mumz [18]

Answer:

Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})

Step-by-step explanation:

The equation of the curve is

Y = sin^{-1}(7x)

To find the equation of tangent we need to differentiate this equation w.r.t x

So, differentiating we get

Y'=\frac{7}{\sqrt{1-49x^2} }

This would give the slope of the tangent line at any given point of which x coordinate is known. In the present case it is  x = \sqrt{\frac{1}{7} }

Then slope would accordingly be

Y'=\frac{7}{\sqrt{1-49/49} }

= ∞

For, x = \sqrt{\frac{1}{7} }, Y = sin^{-1}(7/7)= \pi/2

Equation of tangent line, in the point slope form, would be Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})

4 0
3 years ago
2 1/3 divided by 4/5
irina [24]

Answer: 2.91666666667

6 0
3 years ago
Read 2 more answers
4) Write the equation of the line graphed<br> below.
labwork [276]
y= -1/5x-4

explanation:
the rise over run is -1/5
the y-intercept is -4
4 0
3 years ago
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