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Temka [501]
3 years ago
11

Write an equation to represent the problem. Two years of local internet service costs $685 including the installation fee of $85

. What is the monthly fee?
Mathematics
1 answer:
BaLLatris [955]3 years ago
3 0
You do 685 minus the 85 and then the 600 divided by 24
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A 100 inch strip of sheet metal starting out 16 inches wide is to be made into a small open trough (open top and ends) by turnin
daser333 [38]

Answer:

4 inches should be turned up on both sides.

Step-by-step explanation:

In order to find this, create a situation in which we give the amount turned up on each side as x. Then give the amount that isn't turned up as 16 - 2x (since 2x is the amount turned up). Now we can find the area by multiplying the 3 measurements.

100 * x * (16 - 2x) = MAX

100 * (16x - 2x^2) = MAX

-200x^2 + 1600x = MAX

Now that we have a quadratic function, we can find the maximum value of x by using the vertex formula for x values (-b/2a).

x = -b/2a

x = -1600/2(-200)

x = -1600/-400

x = 4

8 0
3 years ago
The percent of increase or decrease i. this irem
Nikolay [14]
Since the price is going down, it's going to be a percent decrease. Now to find the percent, we divide the "after" price by the "before" price.

240 / 320 = 0.75 = 75%

The item had a 75% decrease. 
3 0
3 years ago
What is the period of the function F(x) = -4sec (1/2 x)
serg [7]

Answer:

A) 4π

Step-by-step explanation:

The period of a secant function, f(x)=a*sec(bx+c)+d, is defined as 2π/|b| where b is the distance of the period. Since we know b=1/2 given by the function, then the period is 2π/|1/2|=2π/(1/2)=2π(2/1)=4π.

8 0
3 years ago
Can’t find the percentage of the utility bills between $123 and $148.
Kobotan [32]
$148-$123= 25 is the answer to your equation above
4 0
3 years ago
2 tens 1 one times 10
elena-14-01-66 [18.8K]
I believe its... 21 × 10 = 210
6 0
3 years ago
Read 2 more answers
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