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Dmitriy789 [7]
3 years ago
12

If you are spending $1500 per year city driving a Chevrolet at 30mpg. How much would you save driving a Toyota at 40mpg? $300, $

375, $425, $500. ​
Mathematics
1 answer:
Mashutka [201]3 years ago
3 0
Hard but at least around 700-300
You might be interested in
Which estimate is the most reasonable for this problem?
Rudiy27
Well this is an estimate, so we aren't supposed to write anything down and actually do the problem, we just need to make an educated guess. She already has $183, so she would need about 800 more dollars to reach her goal of $1,019.

So your answer is C.
5 0
3 years ago
Hace 10 años la edad de mi hijo era 1\7 de la del padre.Actualmente sus edades suman 52 años .¿cual es la edad del hijo?
Firdavs [7]

Answer:

Son's age is 14 and father's age is 38

Step-by-step explanation:

The question in English is

Ten years ago my son's age was 1\7 of the father's. Now his ages add up to 52. What is the son's age?

Let

x -----> son's age

y ---->  father's age

we know that

x-10=\frac{1}{7}(y-10) ------> equation A

x+y=52 -----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

The solution is the point (14,38)

see the attached figure

therefore

son's age is 14 and father's age is 38

6 0
4 years ago
4g^2+9/h^2+7g^2+4/h^2+1​
SashulF [63]

Answer:

   11g2h2 + h2 + 13

 ———————————

                h2      

Step-by-step explanation:

Step  1  :

            4

Simplify   ——

           h2

Equation at the end of step  1  :

               9              4

 ((((4•(g2))+————)+(7•(g2)))+——)+1

             (h2)            h2

Step  2  :

Equation at the end of step  2  :

               9         4

 ((((4•(g2))+————)+7g2)+——)+1

             (h2)       h2

Step  3  :

            9

Simplify   ——

           h2

Equation at the end of step  3  :

              9        4

 ((((4•(g2))+——)+7g2)+——)+1

             h2       h2

Step  4  :

Equation at the end of step  4  :

             9              4    

 (((22g2 +  ——) +  7g2) +  ——) +  1

            h2             h2    

Step  5  :

Rewriting the whole as an Equivalent Fraction :

5.1   Adding a fraction to a whole

Rewrite the whole as a fraction using  h2  as the denominator :

            22g2     22g2 • h2

    22g2 =  ————  =  —————————

             1          h2    

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 :

5.2       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:

22g2 • h2 + 9     4g2h2 + 9

—————————————  =  —————————

     h2              h2    

Equation at the end of step  5  :

   (4g2h2 + 9)             4    

 ((——————————— +  7g2) +  ——) +  1

       h2                 h2    

Step  6  :

Rewriting the whole as an Equivalent Fraction :

6.1   Adding a whole to a fraction

Rewrite the whole as a fraction using  h2  as the denominator :

          7g2     7g2 • h2

   7g2 =  ———  =  ————————

           1         h2  

Adding fractions that have a common denominator :

6.2       Adding up the two equivalent fractions

(4g2h2+9) + 7g2 • h2      11g2h2 + 9

————————————————————  =  ——————————

         h2                  h2    

Equation at the end of step  6  :

  (11g2h2 + 9)     4    

 (———————————— +  ——) +  1

       h2         h2    

Step  7  :

Adding fractions which have a common denominator :

7.1       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:

(11g2h2+9) + 4     11g2h2 + 13

——————————————  =  ———————————

      h2               h2    

Equation at the end of step  7  :

 (11g2h2 + 13)    

 ————————————— +  1

      h2          

Step  8  :

Rewriting the whole as an Equivalent Fraction :

8.1   Adding a whole to a fraction

Rewrite the whole as a fraction using  h2  as the denominator :

        1     1 • h2

   1 =  —  =  ——————

        1       h2  

Adding fractions that have a common denominator :

8.2       Adding up the two equivalent fractions

(11g2h2+13) + h2     11g2h2 + h2 + 13

————————————————  =  ————————————————

       h2                   h2      

Trying to factor a multi variable polynomial :

8.3    Factoring    11g2h2 + h2 + 13

Try to factor this multi-variable trinomial using trial and error

Factorization fails

Final result :

 11g2h2 + h2 + 13

 ————————————————

        h2      

Processing ends successfully

plz mark me as brainliest :)

6 0
3 years ago
Which of the following equations is the result of completing the square on x^2 - 6x - 9 = 0?
lina2011 [118]
X² - 6x - 9 = 0
x² - 3x - 3x - 9 = 0
x (x-3) -3(x + 3) = 0
(x - 3)² = 0

In short, Your Answer would be Option A

Hope this helps!
6 0
3 years ago
Read 2 more answers
Estimate the quotient when 29,376 is divided by 29
Mnenie [13.5K]
The Quotient would be 1012 so I would just put 1000 if your supposed to estimate.
5 0
3 years ago
Read 2 more answers
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