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Jobisdone [24]
4 years ago
14

Four time a number is 64 what is the number

Mathematics
2 answers:
AveGali [126]4 years ago
8 0
4 • x = 64
------- ---
4 4

x = 16
Oksanka [162]4 years ago
5 0
Method #1: Direct
64 divide 4 equal to 16.

Method #2: Algebra
Let c be the number.
4c=64
c=64/4=16
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is 0/8 undefined? I know 8/0 is undefined, but I need to know if 0/8 is undefined as well. (Please answer like so: 0/8 is/is not
Nata [24]
0/8 is 0
8/0 is undefined :)
3 0
4 years ago
Read 2 more answers
HELPP
gizmo_the_mogwai [7]

Answer:

17 feet

Step-by-step explanation:

To determine the length of the roof from its highest to lowest point, we simply find the length of the hypotenuse in the right triangle formed.

Applying Pythagoras theorem

Length of the roof

=\sqrt{15^2+8^2}\\ =\sqrt{289}\\ =17 \: feet

7 0
3 years ago
Y^2+8y+2 y=-5 evaluate the expression
Reika [66]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
What is the value of x <br> x+9.8=14.2
bonufazy [111]

Answer: x = 4.4

Step-by-step explanation:            x = 22/5 = 4.400

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "14.2" was replaced by "(142/10)". 2 more similar replacement(s)

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    x+(98/10)-((142/10))=0

Step by step solution :

Step  1  :

           71

Simplify   ——

           5

Equation at the end of step  1  :

       98     71

 (x +  ——) -  ——  = 0

       10     5

Step  2  :

           49

Simplify   ——

           5

Equation at the end of step  2  :

       49     71

 (x +  ——) -  ——  = 0

       5      5

Step  3  :

Rewriting the whole as an Equivalent Fraction :

3.1   Adding a fraction to a whole

Rewrite the whole as a fraction using  5  as the denominator :

         x     x • 5

    x =  —  =  —————

         1       5  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

3.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

x • 5 + 49     5x + 49

——————————  =  ———————

    5             5  

Equation at the end of step  3  :

 (5x + 49)    71

 ————————— -  ——  = 0

     5        5

Step  4  :

Adding fractions which have a common denominator :

4.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(5x+49) - (71)     5x - 22

——————————————  =  ———————

      5               5  

Equation at the end of step  4  :

 5x - 22

 ———————  = 0

    5  

Step  5  :

When a fraction equals zero :

5.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

 5x-22

 ————— • 5 = 0 • 5

   5  

Now, on the left hand side, the  5  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  5x-22  = 0

Solving a Single Variable Equation :

5.2      Solve  :    5x-22 = 0

Add  22  to both sides of the equation :

                     5x = 22

Divide both sides of the equation by 5:

                    x = 22/5 = 4.400

Answer :

                  x = 22/5 = 4.400

6 0
3 years ago
Read 2 more answers
The sum of two numbers is 15. Using x to represent the smaller of the two numbers, translate "the sum of twice the smaller numbe
Paladinen [302]

Answer:

Step-by-step explanation: Let x be the smaller and y be the largest number.

Since x+y=13, we deduce y=13-x

Now, for the translation: "two more than the larger number" is y+2 , while "twice the smaller" is 2x

Their sum is y+2+2x

And since we know that y=13-x, we have y+2+2x=13-x+2+2=15+x

4 0
1 year ago
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