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KengaRu [80]
3 years ago
7

There are 45 questions on your math exam. You answered 810 of them correctly. How many questions did you answer correctly?

Mathematics
1 answer:
Eva8 [605]3 years ago
5 0

Answer:

The Answer is 36 questions

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Equation for the given function
Lera25 [3.4K]

Answer:

Step-by-step explanation:

hello :

g(x) = (x+2)(x-4)/(x+2)(x-1)

1 )  this function no exist for if : x= -2 and 1

so the denominater is : (x+2)(x-1)

so : b= 2  and c=1

2) the x- intercept is : 4

so the numerater is : (x+2)(x-4)

g(x) =0 if : (x+2)(x-4)=0

means x-4=0    ...   (  x+2 ≠ 0)

note :

g(x) ≠ (x-4)/(x-1) except in the case  x ≠ -2  

7 0
3 years ago
Marcy has $20 she wants to buy a book that is marked down 30% from its original price of $28. If the sales tax is 2.5 does she h
ale4655 [162]

Answer:

no

Step-by-step explanation:

thirty percent of $28 is $8.4, so you would subtract the two leaving you with $19.6

2.5 sales tax of $19.6 is $0.49

Adding those two, the total comes to 20.09 which is just over budget

5 0
3 years ago
Find the value for the following determinant.<br><br> 5<br> -5<br> -11
s2008m [1.1K]

Answer:

i think -11

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
When creating equations for our word problems, we must remember to...
Gnom [1K]

9514 1404 393

Answer:

  C.  define all variables

Step-by-step explanation:

Equations for word problems will depend on the problem. Not all of the equations will be linear equations. Even if they are, they are not necessarily easily written in any particular form, or easily solved when they are written in that form. The nature of the equations will depend on the problem.

One thing that must be done in any case is <em>define all variables</em>. It is usually a good idea to define the units of the variable(s) as well. Sometimes problems are posed with numbers in incompatible dimensions, or they may ask for an answer in dimensions different from those used in the given information. In order to avoid confusion and to be sure you have the desired answer, you need to make sure the variables and their dimensions are compatible with the solution process.

5 0
3 years ago
16/25 as a percentage
Vitek1552 [10]

Answer:

64%

Step-by-step explanation:

16/25 = 0.64

0.64*100 = 64

64%

7 0
3 years ago
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