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Art [367]
3 years ago
10

Solve for x. Express the answer in simplest form.

Mathematics
1 answer:
natta225 [31]3 years ago
3 0
1. Multiply both sides by 4x-1
     \frac{1}{7} (4x-1)=3
2.Simplify \frac{1}{7} (4x-1) to  \frac{4x1}{7} 

     \frac{4x-1}{7} =3
3.Multiply both sides by 7
   4x-1=3x7
4.Simplify 3*7 to 21
   4x-1=21
5. Add one to both sides
   4x=21+1
6. Simplify 21+1 to 22
   4x=22
7.Divide both sides by 4
    x=\frac{22}{4}
8.Simplify \frac{22}{4} to \frac{11}{2}
  
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Dylan lives about 27 miles from the mall. If he can drive at an average rate of 36 miles per hour through town, about how long d
Vlad [161]

Answer:

45 minutes

Step-by-step explanation:

distance / rate = time

27 miles / 36 miles/hr = .75  hr    ( 45 minutes )  

6 0
2 years ago
Pls help I need this asap​
Valentin [98]

Answer:

75%

Step-by-step explanation:

4 0
3 years ago
How big is a normal Pp? Also look down
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i can see the image is not there

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3 0
2 years ago
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There is a manhole cover with a radius of 1 foot. What is the manhole cover's diameter?
zhuklara [117]

Step-by-step explanation:

This seems like you just want to figure out the circumference of the manhole cover. The formula for the circumference of a circle is pi (3.14) multiplied by the diameter (d) of the circle so, circumference=πd. (π is the symbol for pi and approx. equals 3.14)

Circumference = πd

= 3.14(d)

= 3.14(3)

= 9.42 ft.

The length of the brass grip-strip will be 9.42 ft.

If the problem was stated in terms of the radius of the manhole cover then the formula would be circumference = 2πr which is the radius multiplied by 2 then multiplied by pi.

The radius of a circle is the distance from the center to the edge and the diameter is the distance from one edge of the circle to the other passing through the center of the circle.

Well, if the grip strip were of no width and could be straightened out to a line (which a piece of rubber cut in a circle couldn't be), then the length of the grip would correspond to the circumference of the manhole cover.

Circumference = 2*PI*radius = PI*diameter so your answer is 3*PI feet long.

6 0
2 years ago
Answer in scientific notation?
love history [14]
The answer is:  45 * 10 ⁻¹¹ .
___________________________________________

Explanation:
____________________________________________
Given:   (9 * 10⁻⁵) * (5 *10 ⁻⁶) ;   Simplify.
____________________________________________
 (9 * 10⁻⁵) * (5 *10⁻⁶)  =

9 * 5 * 10⁻⁵ * 10⁻⁶ = 

(9 * 5) * 10⁻⁵ * 10⁻⁶ 

45 * 10⁻⁵ * 10⁻⁶  ;   
______________________________________
Note the following property of exponents:

xᵃ * xᵇ = x⁽ᵃ⁺ᵇ⁾ ;

As such, 10⁻⁵ * 10⁻⁶ = 10⁽⁻⁵ ⁺ ⁻⁶) = 10 ⁻¹¹ ;
______________________________________
So;  45 * 10⁻⁵ * 10⁻⁶ 

           =  45 * 10⁻¹¹ .
______________________________________

7 0
3 years ago
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