have 22 more questions and need help will give brainliest to the correct answer and plz explain how u got that answer

Mathematics

1 answer:

yarga [219]3 years ago

3 0

The final answer is A, or 1.25. If you'd like to see the steps, then read below.

First, plug in all of the known information. 2(18) + 2(1.5) + x = 10 + 30.25.
You get this equation because only one ticket costs 18 dollars so you multiply 18 by 2. Same thing with the ice cream. Using x as a variable for the soda since it is the unknown value. The total cost for Amy was 10 dollars and the total cost for Mike was 30.25 dollars. First, simplifying the parentheses using the order of pemdas, 2(18) = 36. 2 x 1.5 = 3. The equation now simplifies down to
36 + 3 + x = 10 + 30.25. Now adding together 36 and 3 you get
39 + x = 10 + 30.25. Now finally adding together 10 and 30.25, the total cost is 40.25. The equation now simplifying down to 39 + x = 40.25, the final step is to subtract 39 from 40.25 to isolate x. 40.25 - 39 = 1.25.
The soda costs 1.25 dollars.

You might be interested in

(High points) please solve with explanation

AysviL [449]

Answer:

The area and the perimeter of the picture are:

Area = 160 cm^2
Perimeter = 67.31 cm

Step-by-step explanation:

To find the area of that figure, you can find the area how if it was a rectangle and next subtract the area of the triangle in the upper part. The area of a rectangle could be found by the next formula:

Area of a rectangle = base * height

As you can see in the picture, the base is 16 cm and the height is 12 cm, then we replace in the formula:

Area of a rectangle = 16 cm * 12 cm
Area of a rectangle = 192 cm^2

Now, we calculate the area of the triangle to subtract to the area we found and obtain the real area, the formula to obtain the area of a triangle is:

Area of a triangle = (base * height) / 2

The height of the triangle is 8 cm, and the base is 8 cm too, because you subtract to the base of the rectangle (16 cm) the measurements in the upper part (16 - 4 - 4 = 8), Now, we replace in the formula:

Area of a triangle = (8 cm * 8 cm) / 2
Area of a triangle = (64 cm^2) / 2
Area of a triangle = 32 cm^2

We subtract to the found area:

Area of the picture = 192 cm^2 - 32 cm^2
Area of the picture = 160 cm^2

To find the perimeter, you must add all the sides of the picture, but, as you can see, there is a side that doesn't have the measurent, this is the hypotenuse of the triangle used before, but how we know the other sides, we can use Pythagorean theorem: