MATHEMATICS HIGH SCHOOL

Meredith feeds her 3 dogs twice a day. How many times does she feed the dogs in 3 days?

Answers

Answer 1

Answer: She would feed them 6 times in 3 days.

Answer 2

Answer:

Answer:

6 times, 3 days

Step-by-step explanation:

This is 3rd grade math...lol

Answer: the radius

8

Step-by-step explanation:

The diameter of a Frisbee is 12 in. What is the area of the Frisbee?a. 37.68 sq. in.
b. 452.16 sq. in.
c. 18.84 sq. in.
d. 113.04 sq. in.

Answers

we know that

Area of the circle is equal to

$A=\pi r^(2)$

where

r is the radius

in this problem

$diameter=12\ in \n radius=diameter/2\n radius=12/2\n radius=6\ in$

$A=3.14* 6^(2)$

$A=113.04 in^(2)$

therefore

the answer is the option

d. 113.04 sq. in.

The area of the Frisbee is about 113 in.² ( Option D )

Further explanation

The basic formula that need to be recalled is:

Circular Area = π x R²

Circle Circumference = 2 x π x R

where:

R = radius of circle

The area of sector:

$\text{Area of Sector} = \frac{\text{Central Angle}}{2 \pi} * \text{Area of Circle}$

The length of arc:

$\text{Length of Arc} = \frac{\text{Central Angle}}{2 \pi} * \text{Circumference of Circle}$

Let us now tackle the problem!

Given:

Diameter of Frisbee = d = 12 in

Unknown:

Area of Frisbee = A = ?

Solution:

Area of the Frisbee could be calculated using the area of circle as follows:

$A = (1)/(4) \pi d^2$

$A = (1)/(4) * \pi * 12^2$

$A = 36 \pi ~ in.^2$

$A \approx \boxed {113.10 ~ in.^2}$

The closest option available will be option D. 113 in.²

Learn more

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Answer details

Grade: College

Subject: Mathematics

Chapter: Trigonometry

Keywords: Sine , Cosine , Tangent , Opposite , Adjacent , Hypotenuse, Circle , Arc , Sector , Area, Inches , Frisbee , Diameter , Radius , Trigonometry ,

Solve x2 + 4x − 12 = 0.A: x = 2, x = −6
B: x = −2, x = −6
C: x = 3, x = −4
D: x = −3, x = 4

Answers

x^2 + 4x - 12 = 0
(x + 6)(x - 2) = 0

x + 6 = 0 x - 2 = 0
x = -6 x = 2

Answer A: x = 2; x = -6

Answer:

x = - 6; x = 2

Step-by-step explanation:

Which of the following lists is in order from smallest to largest?0.05, 0.2, 0.48, 0.6
0.2, 0.05, 0.48, 0.6
0.2, 0.48, 0.05, 0.6
0.05, 0.2, 0.6, 0.48

Answers

Answer:

0.05, 0.2, 0.48, 0.6.

Step-by-step explanation:

Given : Numbers .

To find : Which of the following lists is in order from smallest to largest.

Solution : We have given number 0.05, 0.48, 0.2, 0.6

We need to arrange in order to smallest to largest.

We can see 0.05 is the smallest because it is on the hundredth place .

0.2 is on tenth place

0.48 is on 4 number on tenth place

0.6 is on tenth place with largest values .

So, the numbers smallest to largest 0.05, 0.2, 0.48, 0.6.

Therefore, 0.05, 0.2, 0.48, 0.6.

Let's find for the smallest to largest lists which is in order according to the given choices. When you say smallest to largest, meaning the value of decimal starts from the smallest value to the biggest Value.
=> 0.05, 0.2, 0.48, 0.6 is the answer,

You go to the doctor and he gives you 13 milligrams of radioactive dye which decays exponentially. After 24 minutes, 5 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm if more than 2 milligrams of the dye are in your system, how long will you have to remain at the doctor's office, assuming you were given the dye as soon as you arrived? Give your answer to the nearest minute.You will spend?