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shtirl [24]
3 years ago
15

Write an expression to show how you could calculate the total amount David paid.

Mathematics
2 answers:
Viktor [21]3 years ago
8 0

Answer: Total = $100

Step-by-step explanation:

y = total amount

x = amount per hour

b = initial amount cost

m = amount of hours

y=mx +b

y = (5)(15) + (25)

y = 100

Leya [2.2K]3 years ago
7 0
Answer:total=100 hope this helps.:)
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A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of
daser333 [38]

Options were missing in the question;

A water cup is shaped like a cone. It has a diameter of 3 inches and a slant height of 5 inches. About how many square inches of paper do you need to make a cup? Use 3.14 to approximate pi.

24 square inches

31 square inches

47 square inches

52 square inches

Answer:

24 square inches

Step-by-step explanation:

Given:

Diameter = 3 in

So we can say that;

Radius is half of diameter.

radius (r) = \frac{3}{2}=1.5\ in

Slant height (l) = 5 in

We need to find how many square inches of paper do you need to make a cup.

Solution:

Now according to question we required to find the amount of paper used to make cup.

Also Water cup is shaped liked cone.

Hence we can say that the base of cone is not covered since it will remain open.

So we will use Lateral surface area of the cone to find the paper requirement.

Now we know that;

Lateral surface area of cone is equal to π times radius times slant height.

framing in equation form we get;

A_L = \pi rl=3.14\times1.5\times5 = 23.55 in^2 \approx 24\ in^2

Hence We can say that 24 square inches of paper will be needed to make the cup.

5 0
3 years ago
Help please !!!!!
tatuchka [14]
*triple phytagoras*
first triangle h = second triangle h = 24 in

x = 7 (triple phytagoras)
6 0
2 years ago
PLEASE HELP I will mark brailist
WARRIOR [948]

Answer:

72m^2

Step-by-step explanation:

Conevert the lengths into what they really are

Length of Patio:12

width of patio:6

Soooo.....

multiply

12x6=72

8 0
2 years ago
Help with this problem pls
Vaselesa [24]
Answer: (x+5)


(x-2) (x+2)(x-5) are factors the equation

5 0
2 years ago
A students work to simplify a radical is shown below. Select the statemmebt which best applies to rhe sample mathematical work
Alik [6]

Answer:

D. The work shown above is correct, and y^5\sqrt[4]{y^3} may not be simplified further.

Step-by-step explanation:

If you add all the exponents of y in first line then we get

4+4+4+4+4+3=23

Which is same as the exponent in original problem.

So first line is good.

Since it is 4th root so each y^4 will turn into y when it moves out of the radical so final answer is correct.

Hence correct choice is "D. The work shown above is correct, and y^5\sqrt[4]{y^3} may not be simplified further." is the correct answer.

8 0
3 years ago
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