Val needs to find the area enclosed by the figure. The figure is made by attaching semicircles to each side of a 58 dash m​-by-58 dash m square. Val says the area is 1 comma 917.48 msquared. Find the area enclosed by the figure. Use 3.14 for pi. What error might Val have​ made?

Answers

Answer 1

Answer:

We need to find the area of the semicircles + the area of the square.

The area of a square is equal to the square of the lenght of one side.

As = L^2 = 58m^2 = 3,364 m^2

Now, each of the semicircles has a diameter of 58m, and we have that the area of a circle is equal to:

Ac = pi*(d/2)^2 = 3.14*(58m/2)^2 = 3.14(27m)^2 = 2,289.06m^2

And the area of a semicircle is half of that, so the area of each semicircle is:

a =  (2,289.06m^2)/2 = 1,144.53m^2

And we have 4 of those, so the total area of the semicircles is:

4*a = 4* 1,144.53m^2 = 4578.12m^2

Now, we need to add the area of the square 3,364 m^2 + 4578.12m^2 = 7942.12m^2

This is nothing like the provided anwer of Val, so the numbers of val may be wrong.

Answer 2

Answer:

The answer is 4,112.00 m

Step-by-step explanation:

Val subtracted the​ square's area from area of the semicircles when it should be added to it.


Related Questions

Consider triangle DEF. The legs have a length of 36 units each. What is the length of the hypotenuse of the triangle

Answers

Answer: d. 36√2

Step-by-step explanation:

This means;

36²+36²=c²  ---------where c is the hypotenuse

1296+1296=c²

2592=c²

√2592=c

√32 × √81 =c

√2 × √16 × 9 =c

√2 × 4×9 =c

36√2 = c

Answer:

D

Step-by-step explanation:

factor completely: 21a+27

Answers

Answer:

3(7a + 9)

Step-by-step explanation:

21a + 27

3(7a + 9)

When you expand

3 x 7a + 3 x 9

21a + 27

Pls help, I have been on this question for legit 2 h

Answers

(4/5) 60 = 48 potatoes only, filled in correctly in the box

(1/5) 60 = 12 beets only; put that in the rightmost box

That leaves 40 for the middle, both potatoes and beets.

Answer: fill in the boxes 48 40 12

Which pair of triangles can be proven congruent by SAS? 2 identical triangles are shown. The triangle is reflected across a line to form the second triangle. 2 identical triangles are shown. The triangle is rotated 90 degrees to form the second triangle. 2 identical triangles are shown. The triangle is reflected across a line and then rotated to form the second triangle. 2 identical triangles are shown. The triangle is rotated up and to the left 90 degrees to form the second triangle.

Answers

Answer:

its the third option

Step-by-step explanation:

the one with 2 rings on the second longest angle 2 lines on longest side one side and 1 line on the shortest side

Final answer:

All the described pairs of triangles that are reflected, rotated, or both, can be proven congruent by the SAS postulate because such rigid transformations preserve the congruency of sides and angles.

Explanation:

To determine which pair of triangles can be proven congruent by the SAS (Side-Angle-Side) postulate, we look for two sides of a triangle and the included angle that are congruent to two sides and the included angle of another triangle. When a triangle is reflected across a line, rotated 90 degrees, or both reflected and rotated, it maintains its size and shape, thus the corresponding sides and angles remain congruent.

A reflection or rotation (including a combination of both) is a type of rigid transformation which preserves the size and shape of figures. Hence, all the given pairs of triangles can be proven congruent to the original triangle through the SAS postulate, as rigid transformations do not alter the congruity of sides and included angles.

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The Sum of The Angles in a Triangle please dont answer yet have to add attachemnt

Answers

Answer:

the answer is 120 degrees

Step-by-step explanation:

all the angles are 60 on the inside

Answer:

the answer is 120°

Step-by-step explanation:

this is because all the sides measure equally, which makes this an equilateral triangle

this means that each of the interior angels is 60°

so the two interior angles are equal to their country exterior angle

A stick 1 meter long casts a shadow 1.2 meters long. A building casts a shadow 17 meters long. How tall is the building (to 2 decimal places)

Answers

Answer:

14.17m

Step-by-step explanation:

1 / 1.2 = x / 17

x = 17 / 1.2 = 14.1666667 -> 14.17m

14.17m tall is the building (to 2 decimal places).

What is after the decimal point?

Digits after the decimal point. The position of the digit to the right of the decimal point of the number is written in decimal notation. For example, 0.079 has 0 decimal places, 7 decimal places, and 9 decimal places.

Rounding a decimal number to two decimal places is the same as rounding to one-hundredth of the second decimal place. For example, 2.83620364 can be rounded from 2.84 to two decimal places, and 0.7035 can be rounded from 0.70 to two decimal places.

1 / 1.2 = x / 17

x = 17 / 1.2 = 14.1666667 -> 14.17m

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y = x - v/b ; solve for x

Answers

Answer:

x = y + v/b

Step-by-step explanation:

You can solve for x by adding v/b to both sides since that is what will isolate x the quickest and that is what you want to do when you need to solve for something.

By adding v/b to both sides, you will end up with x=y+v/b and that’s your answer!

Hope this helps!

(Credit to math-way)

ANSWER FAST| Point E Is drawn on the graph so that line EF is parallel to line CD
____________________
If the coordinates of point E are (-4, y), what is the value of y ?
• -8
• -4
• 0
• 8
Giving 30 points and the brainliest

Answers

the answer is -8 cause it needs to be parallel and hopefully you already know what that means(if you don’t ig means the lines never intersect)

The required y coordinate of E is -8. Option A is correct.


The graph is shown, point E Is drawn on the graph so that line EF is parallel to line CD. Point E is (-4, y), and the value of y is to be determined.

What is a line?

The line is a curve showing the shortest distance between 2 objects in space.

Here, the Slope of line CD = 2/5 = slope of line EF (cause both lines are parallel)


The Coordinate of point f is (6,-4)
Line EF y+4 =2/5(x-6)
The coordinate of E is (-4, y)
for x = -4
y+4=2/5(-4-6)
y+4 = 2/5(-10)
y = -2*2-4
y = -8
than coordinates of E is (-4,-8)

Thus, the required y coordinate of E is -8

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Evaluate.
64: (48 – 42)

Answers

Answer:

32:3

Step-by-step explanation:

64:(48-42)

Note that 64:(48-42)

Can also be written as 64/(48-42)

So let's solve (48-42) first

=6

So 64/(48-42)=64/6

64/6

Divide both by 2

32/3

So let's convert back to ratio

32:3

Therefore the final answer is 32:3

123,000,000 as a multiple of a power of 10

Answers

123,000,000 as a multiple of a power of 10 is 1.23 x 10⁸.

What is power of 10?

The large values when shortened, they are written in the form of power of 10 by shifting decimals.

123,000,000 has eight zeroes to reduce and taken to the power of 10. Put decimal after counting eight digits from the right.

123,000,000 can be written as 1.23 x 10⁸.

Thus, 123,000,000 as a multiple of a power of 10 is  1.23 x 10⁸.

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To express 123,000,000 as a multiple of a power of 10, we identify it as 1.23 x 10^7.

The question asks to express 123,000,000 as a multiple of a power of 10. To do this, we need to understand how exponents of 10 work. The exponent tells us how many zeros are added to the right of 1 to create the number. For instance, 10^2 equals 100 because there are two zeros.

In the case of 123,000,000, we count the zeros following the initial digit(s). There are 7 zeros. Therefore, we can express 123,000,000 as 1.23 x 10^7. Here, 1.23 is the coefficient (a value greater than or equal to 1 but less than 10), and 10^7 indicates that the decimal point in 1.23 is moved 7 places to the right to get the original number, 123,000,000.

This method of notation is commonly used in scientific notation, which simplifies large numbers by expressing them as a multiple of a power of 10. It's a useful way to work with very large or very small numbers efficiently.

What is a decimal that is equivalent to the fractior
32/100 enter the answer in the box.

Answers

Answer:0.32

Explanation:

The reason why this is the answer is because  if you look at a place value chart, you could see that hundreds is the second place after the decimal point so you would put the numerator right after the decimal point.

A decimal that is equivalent to the fraction 32/100 is 0.32.

How can we convert a fraction to a decimal?

We can convert a fraction to a decimal by dividing the numerator by the denominator. For example, to convert 32/100 to a decimal, we divide 32 by 100, which gives us 0.32.

To convert a fraction to a decimal, we divide the numerator (top number) by the denominator (bottom number).

In this case, we want to convert 32/100 to a decimal. Dividing 32 by 100 gives us 0.32 as the decimal equivalent of the fraction.

A fundamental mathematical concept is the ability to transform a fraction to a decimal. In a fraction, the denominator denotes the total number of parts in the whole, whereas the numerator denotes the number of pieces. Divide the numerator by the denominator to convert a fraction to a decimal. To obtain the decimal equivalent of 32 in this situation, we divide 32 by 100. By multiplying this decimal by 100, we can also convert it to a percentage, which gives us 32%.

Therefore, the decimal equivalent of 32/100 is 0.32.

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Hey! The faster this is done, the faster I love you. (No homo if you're a girl) BUT ANYWAY can anyone do this for me?

Answers

0.75 Sq. Ft2

Area of a Square= Side length x Side length

Answer = (Side length x Side length) square area

Sasha bowled 4 games. Her scores were 102, 112, 96, and 98. What is the mean of Sasha's scores?

Answers

Answer:

102

Step-by-step explanation:

add all of the numbers together

102+112+96+98=408

divide it by 4 (because there are 4 scores)

408/2=102

Answer:

102

Step-by-step explanation:

You add all the numbers up and divide them by 4. This will depend on how many numbers you are adding together.

A coffeepot contains 1 1⁄2 quarts of coffee. After Tonya pours an equal amount of coffee into two cups, 3 1⁄2 cups of coffee remain in the pot. How much coffee did Tonya pour into each cup?

Answers

Answer:

1.25cups(8oz/1cup)=10 ounces

Step-by-step explanation:

we convert 1 1/2 quarts to cups. There are 4 cups in a quart:

1 1/2 quarts= 3/2 quarts (4 cups/ 1 quart)= 6 cups

Amount poured out:

6 cups- 3.5 cups= 2.5 cups

Amount poured in each cup:

2.5/2=1.25 cups

need an explanation and answer for -25/28 ÷ (5/4)

Answers

Answer:

-5/7

Step-by-step explanation:

When you divide fractions, you flip the second fraction, then multiply.

So it becomes -25/28 x 4/5.

This equals -100/140 which reduces to -5/7.

In the diagram GHJ is approximately congruent to STU what are the missing measures

Answers

Answer:

67

67

46

5

3.7

Step-by-step explanation:

Use the two equations from questions 1 and 2 to figure out how many
jerseys Bill would need to order for the price from 'Top Print' to be less
than from "Print It'. Explain how you figured it out.

Answers

Answer: multiply u would get 50

Step-by-step explanation:

Answer:

50

Step-by-step explanation:

trust the process

What is the length of AB—?
Enter the correct value

Answers

Answer:

Step-by-step explanation:

Since it is a parallelogram so opposite sides are equal and parallel

4y = y + 18

4y - y = 18

3y = 18

y = 18 / 3

y = 6

Now

Length of AB = 4 * 6 = 24

hOPE IT HELPED :)

Answer:

y=6

AB= 24 units

Step-by-step explanation:

In a parallelogram the opposite or facing sides are equal therefore AB=CD

how many times larger is 2000 than 2

Answers

2000 is 1000 times larger than 2

Answer:

1000 times

Step-by-step explanation:

You can figure this out by counting the place values that separate them. :D

Solve each equation a. 25-3x=40
b. 1/3(x-10)= -4
What does x equal to for each equation?

Answers

Answer:

a. x = -5

b. x = -2

Step-by-step explanation:

a.

40=25-3x

40=25-(-15)

x should be -5 for a

b.

-4=1/3(x-10)

-4=1/3(-2-10)

-4=1/3(-12)

x should be -2 for b

a. x equals -5
b. X equals 26/8 (or it could be written as 8 and 2/3, or about 8.6)

Round 293.974373347 to 1 decimal place.

Answers

Answer:

bruh. 294.0

Step-by-step explanation:

Answer: 294.0

Step-by-step explanation: 974373347 rounds up to 0 and the 3 in 293 round up to 294

If j = 2 cm and k= 2.5 cm, what is the length of /?
A 1.5 cm
B. 2 cm
C. 1 cm
D. 3.5 cm

Answers

Answer:

d

Step-by-step explanation:

if yourw talking about diagonals its d

In the figure below, C is the intersection of AD and
BE. If it can be determined, what is the measure of
ZBAC?
45°
B35
A. 80°
B. 100°
C. 110°
D. 1150
E. Cannot be determined from the given information

Answers

Answer:

E. Cannot be determined from the given information

Write an equation and solve each problem.
Find three consecutive integers with a sum of -36.

Answers

Answer:

-13,-12,-11

Step-by-step explanation:

x --- first integer

x+1 --- second integer

x+2 --- third integer

x+(x+1)+(x+2)=-36

3x+3=-36

3x=-39

x=-13

Answer:

13 12 11 negative

Step-by-step explanation:


Solve for x
: 6x+ 8 = 9

Answers

Answer:

1/6

Step-by-step explanation:

6x+8= 9

Subtract 8 from both sides:

6x+8-8= 9-8

6x= 1

Divide by 6 on both sides

6/6x= 1/6

x= 1/6

Answer: x=1/6

Step-by-step explanation:

subtract the 8 from the left side to the right side to get 9-8= 1. then you will have 6x=1. divide six on both sides to get x=1/6

HELP ME PLEASE WITH THIS


The temperature rises 22 degrees from 5 am to noon. The temperature drops 18 degrees from noon to 7 pm. The temperature drops another 6 degrees between 7 pm and 5 am . If the temperature at 5 am on the next morning is 63° F, what was the temperature at 5 am on the first morning?

Answers

Answer:

65˚

Step-by-step explanation:

You do everything opposite:

63˚+6˚=69˚

69˚+18˚=87˚

87˚-22˚=65˚

Please tell me if i'm wrong.

The length of a rectangle is twice the width. The perimeter is 126 centimeters.
Which system of equations will determine the length, L, and the width, W, of the rectangle?

А.)L+2 = W
2L+ 2W = 126

B.)L+W = 2
LW = 126

C.)L=2W
21+ 2W = 126

D.)W = 2L
L+ 2W = 126

E.)2L = W
L+ W = 126

Answers

Final answer:

Choose the equations L = 2W and 2L + 2W = 126 to determine the length and width of the rectangle accurately that is option C is the correct answer

Explanation:

The correct system of equations to determine the length, L, and the width, W, of the rectangle is:

L = 2W

2L + 2W = 126

This system reflects the relationship between the length and the width given that the length is twice the width and the perimeter is 126 centimeters.

im pretty sure im correct because the "|" (vertical lines) mean absolute value right?

Answers

You are absolutely correct! Great job

What is the volume of the figure below if a = 4 units, b = 5.9 units, and c = 2 units?

Answers

Answer:

111.2 units³

Step-by-step explanation:

Base area = 2(a² + ½ab)

2(4)² + (4)(5.9)

= 55.6 units²

Volume = Base area × c

55.6 × 2

= 111.2 units³

Over which interval(s) is the function decreasing? Please help me I will thank you and give you five stars ⭐️

Answers

There’s no picture so I can’t help you I’m sorry :(
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