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3 years ago

Which of the following could be the perimeter of a rectangle with an area of 16 square inches?

Mathematics

2 answers:

emmasim [6.3K]3 years ago

6 0

Answer:

16 inches

Step-by-step explanation:

Illusion [34]3 years ago

6 0

16 = 8*2 ; 2+2+8+8 = 20; thus, P = 20 in

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PLEASE HELP!

Wittaler [7]

Answer:

See below

Step-by-step explanation:

Use the formulae directly

For a cone, with base radius = r and height = h, here are the related formula

$\textrm{Slant height l} = \sqrt{r^2 + h^2}$ (1)

$\textrm{Lateral surface area} = \pi r l$

$\textrm {Base area} = \pi r^2$

$\textrm { Total Surface Area SA} = \textrm{Base Area + Lateral Area} = \pi r^2 + \pi rl = \pi r(r + l)$ (2)

$\textrm{Volume V = } (1/3) \pi r^2h$ (3)

Therefore directly plugging in the numbers in the above equations:

Note:

l = slant height in cm
SA = total surface area in sqcm
V = Volume in cubic cm

Figure(a)

r = 4, h = 8

$\textrm{l} = \sqrt{4^2 + 8^2} =\sqrt{80} = 8.944 \\\textrm{SA} = 4\pi(4 + 8.944) = 4\pi(12.944) = 162.66\\\textrm{V} = (1/3)\pi(4^2)(8) = 134.04$

Figure(b)

r = 7, h =15

$\textrm{l} = \sqrt{7^2 + 15^2} =\sqrt{274} = 16.55$

$\textrm{SA} = 7\pi(7 + 16.55) = 517.89$

Figure (c)

r = 5, l = 8

$h = \sqrt{l^2 - r^2} = \sqrt{8^2 - 5^2} = \sqrt{39} = 6.245\\SA = \textrm{SA} = 5\pi(5 + 8) = 204.2\\V = (1/3)\pi(5^2)(6.245) = 163.5$

6 0

2 years ago

Algebra 1 Volume 1 page 382

RoseWind [281]

Answer: I'm afraid I can't answer that.

Step-by-step explanation: I need details and if it's a workbook or something then I probably don't have it

6 0

3 years ago

At lunch 3 1/4 small pizzas were equally divided amping students. If each student ate 1/4 of a pizza, how many students were fed

Vilka [71]

Answer:

13 students were fed

Step-by-step explanation:

now first in order to count we will have to turn 3 1/4 into a whole number which means we will have to multiply the denomintor by 3 and add it to the numerator which is 1

4 x 3= 12 ..... 12 + 1 = 13

13/4 and the denominator always stays the same

and now to count we will have to divide 13/4 divided by 1/4

now instead of dividing you can just multiply them by switching the denominator and numerator 1/4 to 4/1

13/4 x 4/1

52/4

5 0

3 years ago

Is the following variable categorical or quantitative? Collect data from a sample of teenagers with a question that asks ‘‘Do yo

Gnom [1K]

Answer:

The following variable is categorical.

Step-by-step explanation:

Consider the provided information.

Categorical variables: It take the values of categories or labels and position an entity in one of more classes.

Quantitative variables: It take numerical values and represent a calculation of some kind.

Now consider the given scenario.

Teenagers with a question that asks ‘‘Do you eat at least five servings a day of fruits and vegetables?"

Here we have two categories i.e fruits and vegetables.

Therefore, the following variable is categorical.

5 0

3 years ago

tessa is on the track team. for practise and exersise, she runs 2.25 miles each day. at the end of 14 days, how many total miles

astra-53 [7]

31.5 miles

If she runs 2.25 miles/day and she runs 14 days, you multiply 14*2.25

5 0

3 years ago