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Vikki [24]
3 years ago
12

HELP ME PLEASE!!!!!!!!!!4(a+2)=8+4a

Mathematics
2 answers:
user100 [1]3 years ago
4 0
All real numbers are correct! Hope that helps.
Natasha2012 [34]3 years ago
4 0

Answer:

a can be anything. There are infinite solutions.

Step-by-step explanation:

4(a+2)=8+4a

Expand:

4a+4\times\:2=8+4a

4a+8=8+4a

Subtract 8 from both sides:

4a+8-8=8+4a-8

4a=4a

Subtract 4a from both sides:

4a-4a=4a-4a

0=0

Since both sides are equal, a has infinite solutions as no matter what value it is, it will not affect the end result of 0=0 which is true.

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Stan on a bike ride. His GPS indicates that he is travel exactly 18 miles and he is 32% complete with his total ride. How many m
Afina-wow [57]
X-miles of stance ride
32%x=18
(32/100)*x=18
(32x)/100=18
32x=1800
x=56.25 miles 
3 0
3 years ago
I need help solving this question.<br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B5%7Dx%20%20%3D%20%20%5Cfrac%7B1%7D%7B4%
Lynna [10]

Answer:

x=5/12

Step-by-step explanation:

\frac{1}{4} /\frac{3}{5}=\frac{5}{12}

x=5/12

8 0
4 years ago
Can someone help me??
Allushta [10]

Answer:

67.5 degrees

Step-by-step explanation:

The piece that isn't marked with xs is 90 degrees marked by the square symbol representing a right angle.

Full circle = 360 degrees

360 degrees - 90 degrees = 270 degrees

Now, if we add all the like terms we have 4 x's in total. This is becauswe 3x + another x = 4x.

So, we need to divide 270 by 4. We get 67.5 degrees.

Hope this helps!

treviglaslibrary

4 0
3 years ago
Read 2 more answers
PLS HELP! (THE QUESTION IS A PICTURE CLICK ON THE QUESTION FIRST)
allsm [11]
All triangles angles in the inside add up to 180, so 180-76-72=32
8 0
3 years ago
A person gets on a Ferris wheel at the starting point. The starting point is 15 feet off the ground. The Ferris wheel has a radi
lisov135 [29]
<h2>Answer:</h2>

\boxed{\frac{25}{2}(\sqrt{6}+\sqrt{2})+65}

<h2>Explanation:</h2>

<em>The height of the rider from the ground after the Ferris wheel</em> equals <em>the starting point is 15 feet off the ground </em><em>plus </em><em>the radius of the Ferris wheel </em><em>plus </em><em>the opposite side of the triangle ΔABC </em>(See figure below).<em> </em>Hence our goal is to find this side. We have the angle 11\pi /2=165^{\circ}, therefore the angle ∠BAC = 165° - 90° = 75°. So this side can be found using trigonometry:

\overline{BC}=\overline{AB}sin(75^{\circ})=50sin(75^{\circ})=\frac{25}{2}(\sqrt{6}+\sqrt{2})

Finally, the height is:

H=\frac{25}{2}(\sqrt{6}+\sqrt{2})+15+50 \\ \\ \boxed{H=\frac{25}{2}(\sqrt{6}+\sqrt{2})+65}

6 0
3 years ago
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