A. This is the graph of a linear function.

Mathematics

1 answer:

seropon [69]2 years ago

5 0

Answer:

B. Graph of a one-to-one function.

Step-by-step explanation:

A one-to-one function will have a unique value, y, for each different value of x. The graph displayed will have values very, very close to each other as x approaches ±4, but they won't be the same even at higher values of x.

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The area of a rectangle is 72 square metres. The length of the rectangle is twice the width. Find the width of the rectangle.

Maksim231197 [3]

Answer: Width = 6m

Working:
Find common factors of 72:
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

Work out which ones multiply together to make 72 and as the question states that the length is twice the width, we need to find two numbers that multiply to make 72 and one of the numbers is double the other number.

These numbers would be 6 and 12. (6 x 12 = 72)

Therefore:

Area = 72m²
Width = 6m
Length = 12m

6 0

3 years ago

A cone-shaped tent has a diameter of 12 ft and a height of 6 ft.

mestny [16]

Here's the formula for the volume of a cone:

$V=\frac{1}{3}\pi\ r^2h$

Plug in 3.14 for $\pi$ .
Plug in 6 for the height $h$ .
Our radius is half of our diameter. $r=6$ .

$V\approx\frac13\times3.14\times6^2\times6$

6² = 6 × 6 = 36.
Now we just multiply together 1/3, 3.14, 36, and 6 to get...

$V\approx226.08$

Rounding to the nearest tenth...

$\boxed{V\approx226.1\ ft^3}$