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zmey [24]
2 years ago
15

For what value of x does 4x=(1/8)x+5

Mathematics
1 answer:
castortr0y [4]2 years ago
5 0

4x = .125x + 5

3.875x = 5

x = 1.29032...

------------fraction:

4/1x = 1/8x + 5

32/8x = 1/8x + 5

31/8x = 5

Use cross multiplying

x =  40/31


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A number has exactly three factors and is less than 50 what is this number
vfiekz [6]
Answer: 25

Explanation:

The 1st factor is 1.
The 2nd factor is the number itself.
The 3rd factor must be a factor that multiplies itself to get to the number.
The number must be 25, factors = 1, 5, 15

4 0
3 years ago
After the addition of an acid, a solution has a volume of 90 milliliters. The volume of the solution is 3 milliliters greater th
11111nata11111 [884]

Answer: 21.75\ milliliters

Step-by-step explanation:

Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.

Set up a system of equations:

\left \{ {{x+y=90} \atop {y=3x+3}} \right.

Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":

x+y=90\\\\x+(3x+3)=90\\\\4x+3=90\\\\x=21.75

6 0
3 years ago
what are the five different times in which the minutes before are the same as the minutes after the hour
Romashka [77]
Answered by Norbert J.M..
Hope this helps.

5 0
3 years ago
How tall is a building that casts a ​78-ft shadow when the angle of elevation of the sun is 30 degrees​?
Marta_Voda [28]

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Step-by-step explanation:

Given

The length of the shadow is 78 ft

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\tan 30^{\circ}=\dfrac{h}{78}\\\\h=78\tan 30^{\circ}\\\\h=45.03\ ft

The height of the building is 45.03 ft

8 0
2 years ago
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vazorg [7]
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y= \sqrt[5]{Bx+C}</span>
7 0
3 years ago
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