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emmainna [20.7K]
2 years ago
12

Although not so common now, consider a phone plan that does not have unlimited texting. Your base plan costs you $30 a month and

each text sent or received is only 12 cents. Write an equation to describe the total monthly cost of your bill with x text messages and y cost in dollars.
Mathematics
1 answer:
laiz [17]2 years ago
3 0

Answer:

y=.12x+30

Step-by-step explanation:

The total cost would be "Y".

"x" is would be "per text message".

12 cents per text message would be .12x.

And then, on top of that, we have to pay $30 per month. ( + 30 )

Put together, the equation should be y =  .12x + 30.

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If 2 kilograms of strawberries cost $4.50, how much would 3 kilograms cost?
guajiro [1.7K]

Find the cost of 1 kilogram, by dividing the cost of 2 by 2:


4.50 / 2 = $2.25 per kilogram.

Now multiply the cost of 1 by 3:

2.25 x 3 = $6.75 for 3 kilograms.

8 0
3 years ago
Which value of x makes the equation true?
Westkost [7]

Answer:

B. -9

Step-by-step explanation:

PLATO correct

5 0
2 years ago
I need help!!!!!!!!!!!! PLEASE jehdjfjfjjfkfjfkfkflflflgjfjfolflfoforo
hammer [34]

Answer:

So you know this picture is a function so it cannot be a or b. The answer is C.

Step-by-step explanation:


6 0
3 years ago
A rectangular park is 150 yards on one side and 125 yards on the other.
Ket [755]
So, there is a rectangular park with longer side (length) 150 yards and shorter side (width) 125 yards.

so walking around the rectangular park once is like covering the Perimeter (p) of the rectangular park.

So, lets find the perimeter of the park.
Perimeter of rectangle = 2 ( l + w)
                                    = 2 ( 150 + 125 )
                                    = 2 * 275
                                    = 550 yards

Now, walking around the park two times is like doubling the Perimeter of the rectangle. So, when Debbie walks around the park 2 times, he covers the perimeter of the rectangular field twice.

i.e. Debbie walked 2 * Perimeter
                               = 2 * 550
                               = 1100 yards

Now, If Debbie wanted to walk 1,000,000 yards, she has to walk the  rectangular park (1,000,000 / the Perimeter of the park)
         i.e.  1,000,000 / 550
             = 1818.18 times

So, 
(a) she walks 1100 yards
(b) She have to walk 1818.18 times
4 0
3 years ago
Frank is making a pennant in the shape of a triangle for his senior class photo. He wants the base length of this triangle to be
Sav [38]

Answer:

Height should be ≤ 9 inches.

Step-by-step explanation:

Given:

Frank is making a pennant in the shape of a triangle for his senior class photo.

Base of triangle = 6 in

Area of triangle ≤ 27 in^2

Let height of the triangle be h

Now we now that,

Area of triangle = \frac{1}{2}\times base \times height

\frac{1}{2}\times 6 \times h \leq 27\\\\3h\leq 27\\\\h\leq \frac{27}{3}\\\\h\leq 9 \ in.

Hence the height of the triangle must be at most or ≤ 9 inches.

5 0
2 years ago
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