Only number one please help

Mathematics

1 answer:

Alex73 [517]3 years ago

6 0

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2 $\frac{1}{2}$ hours

You might be interested in

How many solutions does the equation 4x + 8 = −2 − 2 + 5x have?

valina [46]

last one because you can solve it to many way6s

4 0

3 years ago

What is the product of 4 × 40?

nignag [31]

Answer:

160 Hope this helps :)

8 0

3 years ago

Read 2 more answers

How can I memorize square roots 1-30?. I got the list from yahoo answers:. . . 1² = 1. 2² = 4. 3² = 9. 4² = 16. 5² = 25. 6² = 36

pshichka [43]

I think the best way in memorizing the roots of numbers 1 - 30 is by through methods that would suitable for you but you must consider is the pattern in each number or the square, every number has it pattern and i know you realized it by now. I hope this would help

8 0

2 years ago

#3 please find f (5)

tekilochka [14]

Answer:

Step-by-step explanation:

All we are doing here is simply plugging in a 5 for x in the function and finding out the value.

$f(5)=\frac{-2}{-5(5)-19}$ and