What is the area of a circular wading pool with a radius of 50cm

Answers

Answer 1

Answer: An area of a circle is calculated by the formula pi(3.14) x radius^2 (squared)

This mean that you would have to type pi x 50^2 (squared) into your calculator which would equal 7853.98. Then round it up to equal 7854cm^2

Answer 2

Answer:

Answer: D. 7854.0 cm^2

Step-by-step explanation:

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greg needs $51 to go on a field trip. he has saved $12.75. he earns $6.50 per hour cleaning his neighbor's garden, and he earns $5.25 per hour selling cakes at a store. can greg go on the field trip if he works at the garden for 2 hours and at the store for 5 hours? (use the inequality 6.50x 5.25y 12.75 ≥ 51.) yes, because the total will be $62 yes, because the total will be $52 no, because the total will be $50 no, because the total will be $49

Answers

The answer should be yes because the total will be 52. I am not sure how to use the inequality but this is how I would do it. (6.50 × 2) + (5.25 × 5) + 12.75 = 52 which is greater than 51.

^-^ Hi Friends!!!

Your answer is B.

Yes, because the total will be $52

Which polynomial function f(x) has a leading coefficient of 1, roots –4, 2, and 9 with multiplicity 1, and root –5 with multiplicity 3?f(x) = 3(x + 5)(x + 4)(x – 2)(x – 9)
f(x) = 3(x – 5)(x – 4)(x + 2)(x + 9)
f(x) = (x + 5)(x + 5)(x + 5)(x + 4)(x – 2)(x – 9)
f(x) = (x – 5)(x – 5)(x – 5)(x – 4)(x + 2)(x + 9)

Answers

Answer:

The expression for f(x) is:

f(x) = (x+5)(x+5)(x+5)(x+4)(x-2)(x-9)

Step-by-step explanation:

We know that for any polynomial equation with roots:

$a_1,a_2,a_3,...$ with multiplicity:

$m_1,m_2,...$

the equation for the polynomial is given by:

$f(x)=(x-a_1)^(m_1)(x-a_2)^(m_2)......$

if the leading coefficient is negative we may take '-' sign in the starting of the expression.

Here we are given that :

f(x) has a leading coefficient of 1, roots –4, 2, and 9 with multiplicity 1, and root –5 with multiplicity 3

Hence, f(x) is given by:

$f(x)=(x-(-4))^(1)(x-2)^(1)(x-9)^(1)(x-(-5))^(3)\n\n\ni.e.\n\n\nf(x)=(x+4)(x-2)(x-9)(x+5)^3\n\n\nf(x)=(x+5)(x+5)(x+5)(x+4)(x-2)(x-9)$

Hence, the expression for f(x) is:

$f(x)=(x+5)(x+5)(x+5)(x+4)(x-2)(x-9)$

"polynomial function f(x) has a leading coefficient of 1"

So because of that, we can eliminate A and B.

Now we have "root –5 with multiplicity 3"

That's just product of three factors (x+5)

So D is wrong.

We are left with the only possible correct option C.

Which of the following statements describes circumscribing? Choose all correct answers.A) One figure is drawn around the other.
B) One figure must be a circle.
C) The figure on the inside circumscribes the figure on the outside.
D) Circumscribing can be done as a construction.
E) The figures intersect.

Answers

In circumscribing,
One figure is drawn around the other and Circumscribing can be done as a construction.

Answer:

A and D are correct options.

Step-by-step explanation:

Circumscribing some figure means to draw one figure around another in such a way that all the sides should touch the outside figure. Like if we circumscribe a circle around a triangle, all the vertices must touch the circle.

Based on the definition, the following statements are correct answer.

A) One figure is drawn around the other.

D) Circumscribing can be done as a construction.

Many figures can be circumscribed like - a right triangle around a square, a circle around a triangle or a square etc.

Bob has 120 beadsThe beads are either red or green
Bob gives 3/4 of the beads to his friend
2/3 of the beads bob now had are red
Work out how many green beads bob now has

Answers

Now from 120 beads, Bob has 10 green beads.

What is ratio?

Ratio basically compares quantities, that means it show value of one quantity with respect to other quantity.

If a and b are two values, their ratio will be a:b,

Given that,

Total number of beads = 120,

Since, Bob gives 3/4 of the beads, So the remaining beads,

= 120×1/4

=30

Now from these 30 beads, 2/3 beads are red,

So red beads are = 30×2/3 = 20

Therefore, green beads are = 30-20= 10

Bob has 10 green beads.

To learn more about Ratio on :

brainly.com/question/13419413

#SPJ2

Bob has 10 green beads you can show this by dividing 120 by 4 and that then leaves 30 beads which is 1/4 of the original amount of beads. Now knowing that Bob has 30 beads you put it into an equation with x over 30 equal to 2/3 that then makes you able to see that if you multiple the denominator by 10 you get 30 so you do the same to the numerator causing x to be 20 and that is the amount of the red beads leaving 10 beads to be green.

How do u simplify 15x^4 y^2 over 40x^3 y^2

Answers

$(15x^4y^2)/(40x^3y^2)=(3)/(8)x^(4-3)y^(2-2)=(3)/(8)x^1y^0=(3)/(8)x$

Graph: y – 3=1/2(x+2)

Answers

Simplify and get y=1/2x+4
1/2x=slope. 4= y-intercept

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