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GuDViN [60]
3 years ago
14

a home repair crew charges seventy-five dollars per day plus two hundred fifty-five dollars for each hour the crew works. one da

y the crew works c hours and charges a total amount of one thousand, six hundred five dollars. how many hours does the crew work
Mathematics
1 answer:
Ad libitum [116K]3 years ago
4 0
6 hours; 1605-75=1530
1530\255= 6
Hope this helps you
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PLZ HELP THANKS! Find the equation of the line passing through the pair points (-8,6) (-9,-9). The equation of the line in the f
timurjin [86]

Answer:

The answer is

<h2>15x - y = - 126</h2>

Step-by-step explanation:

To find the equation of the line we must first find the slope (m)

m =  \frac{y2 - y1 }{x2 - x1}

So the slope of the line using points

(-8,6) (-9,-9) is

m =  \frac{ - 9 - 6}{ - 9 + 8}  =  \frac{ - 15}{ - 1}  = 15

So the equation of the line using point (-8,6) and slope 15 is

y - 6 = 15( x + 8)

y - 6 = 15x + 120

Writing the equation in the form

Ax+By=C

We have

15x - y = -120-6

The final answer is

<h3>15x - y = - 126</h3>

Hope this helps you

8 0
3 years ago
Tina made a 9-inch apple pie, which she cut into 8 slices. Tina and 2 of her friends each ate a piece of pie. what is the approx
EleoNora [17]
9" = the diameter
4.5" = the radius
area of a circle = π * r^2
area of pie = 4.5^2 * π
8-3 = 5 so 5/8 remaining
5/8 * 4.5^2 *π
this is equal to 39.7 which rounds to 40"^2
8 0
3 years ago
X^2+2x-35=0 factor and solve the quadratic
kiruha [24]

Answer:

x = 7, -5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The mean of 5,x,10,6,12 is 9. Find x
Wewaii [24]

Answer:

<h2>12</h2>

Solution,

Summation FX= 5+10+6+12+X

=33+x

N(total no.of items)=5

Now,

Mean= summation FX/N

or 9=33+X/5

or 9*5=33+X ( cross multiplication)

or 45=33+X

or -x=33-45

or -x=-12

X=12

Hope this helps...

Good luck on your assignment..

4 0
3 years ago
Read 2 more answers
Please can you work this out ( your supposed to use a calculator but mine is broken)
raketka [301]

Answer:

5.6 \times  {10}^{ - 4}  \\ 56 \times  {10}^{ - 5}  \\  = 0.00056

I hope I helped you^_^

6 0
3 years ago
Read 2 more answers
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