MATHEMATICS MIDDLE SCHOOL

An auto mechanic charges $50 to diagnose a problem and $25 per hour to repair the problem. If x represents the total number of hours worked and y represents the total charges, which equation represents this situation?A. y = 25x + 50
B. y = 50x + 25
C. y = 50x - 25
D. y = 25x - 50

Answers

Answer 1
Answer: D because 25 is the number of hours meaning that it will me your x and -50 because your giving away $50

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It is asking me to insert parentasies

Answers

If you mean for factoring, then you must take the common factor (term) out of the equation then have the rest out of what you divided
Parenthesis is () so if they said to put () it means to put those on a certain equation or numbers.
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It's mostly in PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction) problems and algebra equations!

Tiffany a commissioned sales person, earns $100 base pay plus $10 per item sold. Express her gross salary G as a function of the Number x of items sold

Answers

G = 100 + (10*x)


depending on x, G will be Shown

an ostritch can run at a rate of 50 miles in 60 minuites. how long would it take an ostrich to run 15 mikes

Answers

50 miles ... 60 minutes
15 miles ... x minutes

If you would like to know how long would it take an ostrich to run 15 miles, you can calculate this using the following steps:

50 * x = 15 * 60
50 * x = 900    /50
x = 900 / 50
x = 18 minutes

Result: An ostrich can run 15 miles in 18 minutes.
\sf(50~miles)/(60~minutes) = (15~ miles)/(x~minutes)\n\n50(x) = 15(60)\n\n50x = 900\n\nx = 18

Your answer is 18 minutes

A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds five more red marbles to the bag. The probability that she takes one red marble at random is now 1 in 3. How many red marbles were originally in the bag?

Answers

There was one red marble because it said that the probability of choosing a red marble is 1/5 so the other marbles are blue. 
Hope this helps. 

6 x 2/5 will be equal to, greather than, or less than 2/5?

Answers


Well, we know that

-- 6 cows are greater than 1 cow

-- 6 trucks are greater than 1 truck

-- 6 candy canes are greater than 1 candy cane

So we're pretty sure that if you have a bunch of boxes with
the same thing in every box, then 6 boxes are going to have
more of it than 1 box has.

Great.  That always works.  It doesn't matter whether the boxes
all have cookies, hamburgers, puppies, or 2/5 in them.  6 boxes
always have more than 1 box has.

Are you comfortable with this reasoning ?

Answer:

Greater than

Step-by-step explanation:

8(5m+10) PLEASE ANSWER ASAP

Answers

to answer your question Simplifying8(5m + 10) = 0Reorder the terms:8(10 + 5m) = 0(10 * 8 + 5m * 8) = 0(80 + 40m) = 0Solving80 + 40m = 0Solving for variable 'm'.Move all terms containing m to the left, all other terms to the right.Add '-80' to each side of the equation.80 + -80 + 40m = 0 + -80Combine like terms: 80 + -80 = 00 + 40m = 0 + -8040m = 0 + -80Combine like terms: 0 + -80 = -8040m = -80Divide each side by '40'.m = -2Simplifyingm = -2 your welcome!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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