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3 years ago

How many meters is 4 feet?

Mathematics

2 answers:

exis [7]3 years ago

6 0

4 ft = 1.12192 meters

Alenkasestr [34]3 years ago

5 0

1.2192 meters in 4 feet

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What is the best approximation for the area of this circle?

butalik [34]

$Area =113.0ft^2$ . Correct option is D) 113.0 ft² .

Step-by-step explanation:

Here we have , A circle labeled with radius = 6 ft . We need to find the best approximation for the area of this circle . Let's find out:

We know that area of circle = $\pi r^2$ , We have following parameters as

$Radius = r = 6 ft\\\pi = 3.14\\Area= \pi r^2 = ?$

So , Area of circle is

⇒ $Area =\pi r^2$

⇒ $Area =(3.14) (6)^2$

⇒ $Area =(3.14) (36)^$

⇒ $Area =113.04ft^2$

On Rounding off

⇒ $Area =113.0ft^2$

Therefore , $Area =113.0ft^2$ . Correct option is D) 113.0 ft² .

5 0

3 years ago

Read 2 more answers

Hannah is a photographer who specializes in portraits. This morning, she soent four hours doing graduation portrait sessions. In

FromTheMoon [43]

She will likely finish the graduation sessions in less time.

7 0

3 years ago

Write −1/2x+y=10 in slope-intercept form.

Varvara68 [4.7K]

Answer:

$y=\frac{1}{2} x+10$

Step-by-step explanation:

$-\frac{1}{2} x+y=10\\$

Add $\frac{1}{2} x$ to both sides

$y=10+\frac{1}{2} x\\\\y=\frac{1}{2} x+10$

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4 years ago

Part 2: The Zombie Assassin

Tatiana [17]

Answer: See below

Step-by-step explanation:

y = a(b)ˣ

y: final population of zombies
a: initial population of zombies
b: rate of decrease
x: number of hours

Given: a = 500,000 b = 50% (0.5)

y = 500,000(0.5)ˣ

Since we want to know the number assassinated (A), subtract the total from the final population of zombies

A = 500,000 - y

a) Equation: 500,000 - 500,000(0.5)ˣ

$\begin{array}{c|c|c||l|c}\underline{\quad a\quad}&\underline{\quad b\quad}&\underline{\quad x\quad}&\underline{\quad 500,000(0.5)^x=y \qquad}&\underline{\quad 500,000-y=A\quad}\\500,000&0.5&5&500,000(0.5)^5=15,625&\bold{484,375}\\500,000&0.5&10&500,000(0.5)^{10}=488&\bold{499,512}\\500,000&0.5&15&500,000(0.5)^{15}=15&\bold{499,985}\\500,000&0.5&20&500,000(0.5)^{20}=0&\bold{500,000}\\\end{array}$

(Graph attached)

c) The assassins will earn 100,000 + 2(499,985) = $1,099,970 after 15 hours.

The number of zombies needed to assassinate in order to earn $1,000,000:

100,000 + 2z = 1,000,000

2z = 900,000

z = 450,000

d) How long will it take to eliminate all of the zombies?

The population of zombies is zero when x = 20 hours

How much money did the assassinators earn?

100,000 + 2(500,000) = $1,100,000

3 0

4 years ago

Which graph represents a proportional relationship?

Vadim26 [7]

Answer:

The one shown in the photo

Step-by-step explanation:

A proportional relationship is one in which the relationship increases steadily, which looks like a straight line when graphed. Also, the line should pass through the origin, which is the point (0, 0) on a graph.

The graph shown increases steadily (it's a straight line), and passes through the origin (point 0,0) as well. So, it's proportional. Hopefully that's helpful! :)

7 0

3 years ago