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ASHA 777 [7]
3 years ago
15

the function f(x)=5x+12 models the amount of money in dollars, makes when cutting loans for x hours. How many dollars will alex

for 3 hours of loan-cutting work?
Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:

$27

Step-by-step explanation:

f(x) = 5x + 12

= 5(3) + 12

= 15 + 12

= 27

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— Зу + 5х = 26<br> - 2 - 5x = -16<br> y =
IgorC [24]

Answer:

y= -4

Step-by-step explanation:

-3y + 5x = 26

  0y -5x = -14  

____________

    -3y = 12

       y = -4

3 0
3 years ago
Adratic Formula
maw [93]

Answer:

Step-by-step explanation:

discriminant=5²-4×1×7=25-28=-3<0

no real number solution.

5 0
3 years ago
Read 2 more answers
K/13 = 0.6/0.5 what does that equal
photoshop1234 [79]
\frac{k}{13} = \frac{0.6}{0.5} equals k = 15.6

First,
simplify \frac{0.6}{0.5} to 1.2. Your problem should look like: \frac{k}{13} = 1.2
Second, multiply both sides by 13. Your problem should look like: k = 15.6, which is the answer.
5 0
3 years ago
The equation of a linear function in point-slope form is y – y1 = m(x – x1). Harold correctly wrote the equation y = 3(x – 7) us
Yanka [14]

Answer:

The point is (7,0).

Step-by-step explanation:

The equation of a linear function in point-slope form is as follows :

y-y_1=m(x-x_1) ...(1)

Where

(x₁,y₁) are the coordinates of the point which  the line passes through it and (x,y).

Harold correctly wrote the equation y= 3(x–7)

or we can write it as :

y-0=3(x-7) ...(2)

Comparing equations (1) and (2), we get :

x₁ = 7 and y₁ = 0

So, the point is (7,0).

The correct option is (c).

7 0
3 years ago
joe is using his allowance money to download songs from the internet. he can download them at a rate of eight songs every 10 min
Mama L [17]

Joe: 8 songs in 10 minutes = 8/10 = 0.8 songs per minute

Jasmine: 12 songs in 15 minutes = 12/15 = 0.8 songs per minute

 they are downloading at the same speed

7 0
3 years ago
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