A circular flower bed is 23 m in diameter and has a circular sidewalk around it that is 4 m wide. Find the area of the sidewalk in square meters. Use 3.14 for π.

Answers

Answer 1

Answer:  244.92 m

Step-by-step explanation:

The area of a circle is pir^2. First you will need to find the area of the concrete and subtract the area of the flower bed from that amount. The concrete is 3 feet wide so you will add that to 11.5 (half of the flower bed diameter) to find the radius. 14.5^2 pi is the entirety of the area. Then subtract 11.5^2 pi for the area of the concrete.


Related Questions

What is the circumference of a circle with area 24cm. Give your answer to three significant figures.

Answers

Answer:

Circumference = 17.4 cm

Step-by-step explanation:

A = π[tex]r^{2}[/tex]

24 = π[tex]r^{2}[/tex]

[tex]r^{2}[/tex] = 24/π

r = [tex]\sqrt{\frac{24}{\pi } }[/tex] = 2.7639...

d = 5.5279...

C = πd

   = π5.5279...

   = 17.4 cm

Write an equation of the line with the given slope and y-intercept
slope: 1.4, y-intercept: 5.6
O y = 1.4x + 5.6
Oy=-*x+5.6
O y = 1.4x -5.6
O y=-1.4x + 5.6

Someone help?

Answers

Answer:

y = 1.4x + 5.6

Step-by-step explanation:

plug the slope and y-intercept into the formula: y = ax + b (a is the slope and b is the y-intercept)

thus, y = 1.4x + 5.6

PLEASE HELP ME REAL QUICK IT'S IMPORTANT

Answers

Answer: infinitely many

Step-by-step explanation:

They are essentially the same line (the terms rearranging in the equation doesn't make a difference). Since the intersection point between lines is the solution to the system, they have infinitely many.

what the answer for Q 1 and 2

Answers

Answer:

yung 70

Step-by-step explanation:

i hope its help

carry on learning

What is x? 8.3x-2.4=72.3

Answers

Answer: x is equal to 9

The chart given here lists the amount of rainfall received in centimeters in each month. By how much is the combined rainfall received in January and February less than the combined rainfall received in the months of April and May?

A. 34 cm
B. 23 cm
C. 18 cm
D. 12 cm
I will give brainliest if you answer this question under 2 minutes
And btw, NO FILES OR I WILL REPORT YOU

Answers

It is B:23 centimeters 54+56=110. 63+70=133 133-110= 23c

Answer:  Its B did the quiz lol

Step-by-step explanation:

Please help ASAP, No links or report, Tysm!
Giving out brainliest

Find the perimeter of the figure.

Answers

Answer:

96 ft is the perimeter of the figure.

Step-by-step explanation:

9 + 9 + 9 + 9 + 9 + 9 + 12 + 30 = 96

Have a nice day!

Answer:

105

Step-by-step explanation:

9+9+9+9+9+9+30+21 = 105

HAVE A GREAT DAY SHAWTYYY

Please help me i need to turn this in by the end of the day

Answers

Answer:

n must be greater than 5 for the product to be greater than 10.

Step-by-step explanation:

10 times 2/5 = 4 (no)

10 times 6/5 = 12 (yes)

10 times 5/5 = 10 (no)

Answer:

The 3rd one I believe

Step-by-step explanation:

1. Savannah is trying to justify to her geometry class that the 2 lines she drew, line a and line b, are
parallel. Select all of the reasons that prove Savannah's lines parallel.

Answers

Answer:

A, C, D

Step-by-step explanation:

please help with this equation

Answers

Answer:

y=69420

Step-by-step explanation:

f=42×0=420

b=6+9=69

i=91÷1=911

Answer: y, 69420

Explanation:

Cyclone cleared leaves from the same number of yards each day for 5 days. Then on day 6, he cleared the leaves from 8 more yards. He cleared 133 yards in all.
How many yards did Cyclone clear the first day?

Answers

Answer:

20.83 yard

Step-by-step explanation:

Calculate Cubic Yards

Calculate your area

Calculate your volume: Multiply area times the depth to get volume in cubic feet

Calculate your cubic yards: Divide cubic feet by 27 to convert to cubic yards and this is your answer

Where ft2 = square foot, ft3 = cubic foot, yd3 = cubic yard

Total yards = 5[x] + x + 8

Solve

133 = 6x + 8

6x = 125

x = 20.83 yard

Therefore, the Cyclone cleared 20.83 yards on the first day.

If y = 160 (2x) , what is y if x = 2?
No Files or links. Just the answer.

Answers

Answer:

640

Step-by-step explanation:

hope that helps you out

solve in area formula​

Answers

These will be steps, hope it helps

A big league pitching coach tries to limit his pitchers to 110 pitches per game. If the pitcher has
already thrown 52 pitches, write and solve an inequality to find how many more pitches he can
throw before reaching the limit.*
Type your inequality AND your answer as a sentence.

Answers

The pitcher can throw 58 until he reaches the limit, hopefully I helped :)

A company that cleans carpets charges its customers a fixed amount for supplies plus an
additional amount per hour of cleaning. The graph models the linear relationship between the
total amount charged and the number of hours of cleaning.

Answers

Answer:

Don’t quote me but, $15 per hour.

Explanation:

I just took the slope of the line,

(60 - 120) / (0 - 4)
-60 / -4
15

Fill in the table using this function rule.
y=19-2x​

Answers

Answer:

Step-by-step explanation:

given

y = 19 - 2x

when x = 3 , y = 13

when x = 4 , y = 11

when x = 5 , y = 9

when x = 6 , y = 7

hope it helps :)

Sasha's grandma is going to sew this umbrella for Sasha. The umbrella is made of 4 identical triangles. If each triangle is 3 feet long and 4 feet high, how many square feet of fabric does Sasha's grandma need? Explain how you found your answer.

Answers

Answer:

Sasha's grandma will need 48 square feet of fabric to sew the umbrella.

Step-by-step explanation:

Since Sasha's grandma is going to sew an umbrella for Sasha, which will be made of 4 identical triangles, if each triangle is 3 feet long and 4 feet high, to determine how many square feet of fabric does Sasha's grandma need, the following calculation must be done:

(3 x 4) x 4 = X

12 x 4 = X

48 = X

Therefore, Sasha's grandma will need 48 square feet of fabric to sew the umbrella.

The real statue of liberty is 152 feet tall. If you wanted to build a toy model of the statue to sell to tourists that is 2:101 Scale factor, how tall should your model be?

Answers

Answer:

Height of toy model liberty statue = 3 feet (Approx.)

Step-by-step explanation:

Given:

Height of real liberty statue = 152 feet

Scale factor = 2:101

Find:

Height of toy model liberty statue

Computation:

Scale factor = 2:101

1 feet toy model = 101 / 2 = 50.5 feet

Height of toy model liberty statue = Height of real liberty statue / Scale factor

Height of toy model liberty statue = 152 / 50.5

Height of toy model liberty statue = 3 feet (Approx.)

Finde the slope pf the line passing through the points (8,1) and (6,9)

Answers

Answer:

The slope is -4.

Step-by-step explanation:

The formula to find slope is y2 - y1 / x2 - x1

Step 1: 9-1 / 6 - 8

Step 2: 8/-2

Step 3: Simplify: The slope is -4

Hope this helps!

The line y = mx + c passes through the points (3,7) and (5,13). What are the values of m and c?

Answers

Answer:

c=-2 and m=3

this is because the y intercept of the line given is -2 and if you find the slope is 3/1 or simplified to 3

Need help if you know the answer please!!
What is the distance between points G and B

Answers

Answer:

4

Step-by-step explanation:

Since points B and G are both on the same horizontal line, the distance between them is just the horizontal distance between them which is the absolute value of the difference of their x-coordinates.

distance = |-3 - 1| = |-4| = 4

Answer: 4

Find the Surface Area of the Square Pyramid.

Answers

Answer:

279 in.²

Step-by-step explanation:

square: 9 × 9 = 81

the 4 congruent triangles: 9 × 11 ÷ 2 = 49.5, 49.5 × 4 = 198

square + 4 congruent triangles = 81 + 198 = 279

Look at this graph :
Is this relation a function?

Answers

Answer:

yes it relates to a function

Cole has a can of marbles. NEED HELP It would mean so much to me.

Answers

Answer:

C

plz can i get brainliest

Quick Help Please
anyone

Answers

Answer:

1) False

2) True

3) a) True b) False

4) False

Step-by-step explanation:

1)

Two-point are collinear if they lie in the same line. The vector -2AB is antiparallel to the vector AB then it is False.

2)

A unit vector could be difinede as:

[tex]\vec{u}=\frac{\vec{v}}{|\vec{v}|}[/tex]

Terefore, [tex]\frac{1}{AB}\vec{AB}[/tex] is a unit vector. It is True.

3)    

a) If AB=-3AC

The points, A, B, and C are collinear, because all of them lie in the same line. True

b) Let's take the modulus in each side.

[tex]\vec{AB}=-3\vec{AC}[/tex]

[tex]|\vec{AB}|=|-3\vec{AC}|[/tex]

[tex]|\vec{AB}|=|-3||\vec{AC}|[/tex]

[tex]|\vec{AB}|=3|\vec{AC}|[/tex]

So it is False.

4)

If we put the vector AI = 3/2 AB into the first equation we will have:

[tex]2(-\frac{3}{2}\vec{AB})+3\vec{IB}=-3\vec{AB}+3\vec{IB}[/tex]

And we can not say that it is a cero vector, so it is False.

I hope it helps you!

Find the value of x by solving the blue equation in the bottom.

Answers

X=-7

If you solve this algebraically, this is what you would get. Hope this helps :)

What is the value of x? *

Answers

In a circle, the parts of the diagonals multiply to equal each other, so 6·4=2x.

2x = 24, x = 12.

At Adams Middle school, 75 boys and 55 girls belong to the school band. Of the 75 boys, 15 play the drums. Only 5 girls play the drums. What percent of the boys play drums?

Answers

x=100×15/75

x=1500/75

x=20% boys

Answer:

20%

Step-by-step explanation:

look at the formula I have used then you will understand good day

hellllllllllllllllllp...

Answers

Given:

The expression is:

[tex]\dfrac{15m^2-3}{3m-1}[/tex]

To find:

The simplified value of the given expression.

Solution:

We have,

[tex]\dfrac{15m^2-3}{3m-1}[/tex]

On dividing, we get

[tex](3m-1)|\overline{15m^2+0m-3}|5m+\dfrac{5}{3}[/tex]

          [tex]-(15m^2-5m)[/tex]

              [tex]\overline{\quad \quad -5m-3}[/tex]

                    [tex]-(5m-\dfrac{5}{3})[/tex]

                       [tex]\overline{\quad \quad -\dfrac{4}{3}}[/tex]

Here, quotient is [tex]5m+\dfrac{5}{3}[/tex]  and the remainder is  [tex]-\dfrac{4}{3}[/tex].

Therefore, [tex]\dfrac{15m^2-3}{3m-1}=5m+\dfrac{5}{3}-\dfrac{4}{3(3m-1)}[/tex].

You are watching fireworks over San Diego Bay S as you sail away in a boat. The highest point the fireworks reach F is about 0.2 mile above the bay. Your eyes E are about 0.01 mile above the water, the lowest elevation from which you see the fireworks above your horizon. (At point B you cannot see the fireworks because of the curvature of Earth.) The radius of Earth is about 4000 miles, and FE¯¯¯¯¯¯¯¯ is tangent to Earth at point T. Find mSB⌢. Round your answer to the nearest tenth.

Answers

Based on the calculations, the measure of angle m<SB rounded to the nearest tenth is equal to 0.70°.

What is a tangent?

In geometry, a tangent is also referred to as a tangent line and it can be defined as a straight line that touches a plane curve at a specific point.

Based on the diagram, we would apply the cosine function to determine the measure of the angle formed by the hypotenuse side of the triangle with respect to the radius of Earth (adjacent side):

m<SB = cos⁻¹(4000/4000 + 0.2) + cos⁻¹(4000/4000 + 0.01)

m<SB = cos⁻¹(4000/4000.2) + cos⁻¹(4000/4000.01)

m<SB = cos⁻¹(0.99995) + cos⁻¹(0.9999975)

m<SB = 0.573 + 0.128

m<SB = 0.7010.70°.

Read more on cosine function here: https://brainly.com/question/4515552

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