Mathematics Middle School

This semicircle has a diameter of 5 meters. What is the area of this figure? Use 3.14 to for pi. Enter your answer as a decimal in the box. Round your answer to the nearest hundredth. m²

Answers

Answer 1

The answer is 9.81.
I just took this test.

Answer 2

Answer:

9.81

Step-by-step explanation:

Related Questions

Assume a and b are natural numbers. if a and b are two different primes, find GCD(a,b) and LCM(a,b).

Answers

Prime numbers are those numbers that have only 1 and the number itself as factors.

If a and b are prime numbers.

The greatest common divisor of a and b is 1.

The lowest common multiple of a and b is ab.

What is a prime number?

Prime numbers are those numbers that have only 1 and the number itself as factors.

2 is the only even prime number.

Examples:

2, 3, 5, 7, 11 are all prime numbers

We have,

Two natural numbers a and b.

a and b are prime numbers.

The greatest common divisor of a and b:

The prime numbers have 1 and the number itself as its factors.

So,
a x 1 = a

b x 1 = b

1 is the GCD of a and b.

The lowest common multiple of a and b:

a x b = ab

ab is the lowest common multiple of a and b.

Thus,

The greatest common divisor of a and b is 1.

The lowest common multiple of a and b is ab.

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The GCD of two different prime numbers is 1, and the LCM is the product of the two primes.

GCD(a,b) is the Greatest Common Divisor, which is the largest positive integer that divides both numbers without a remainder. For two different prime numbers a and b, their GCD will be 1 because there are no common factors other than 1. LCM(a,b) is the Least Common Multiple, which is the smallest multiple that is divisible by both numbers. For prime numbers a and b, their LCM will be the product of the two primes.

Write and solve an equation to answer the question. 83% of 20 is what number a

Answers

Of means multiply
(83/100) * 20
166 / 100
16.6 <<<<answer.

Final answer:

83% of 20 is 16.6.

Explanation:

To find 83% of 20, we need to understand that percent means per hundred.

So, to calculate 83% of a number, we can convert the percentage to a decimal by dividing by 100 and then multiply by the number.

In this case, the equation to find 83% of 20 is:

(83 ÷ 100) × 20 = x

Which simplifies to:

0.83 × 20 = x

Now, we do the multiplication:

0.83 × 20 = 16.6

Therefore, 83% of 20 is 16.6.

Which is NOT a way to state the meaning of the expression h + 7?

A) 7 more than a number
B) A number added 7 times
C) A number increased by 7
D) 7 is added to a number

Answers

B. A number added seven times

Answer:

B) A number added 7 times

Tyler buys 2 pairs of shoes every year. Which of the following expressions shows the total number of shoes he buys in z years?

Answers

2z i guess so and if not then 2+z
Let me know what is the answer

It's 2z. If there is a number and a variable right next to eachother that means they are being multiplied, and in this problem, he is buying two pairs of shoes each year, which implies that you are multiplying.

Christopher’s back yard is in the shape of a trapezoid.The bases of his back yard are 30 and 40 feet long.The area of his back yard is 525 square feet.Write and solve an equation to find the height of Christopher’s back yard.

Answers

The height is 15 sqr. ft. the equation to solve this is:

2*525/30+40

Frank averages 3 strikes for every 10 frames that he bowls. If he bowled 42 strikes in a season, how many frames did frank bowl?

A. 126 frames
B. 140 frames
C. 156 frames
D. 164 frames

Answers

For this case we can make the following rule of three:
3 strikes ---------> 10 frames
42 strikes -------> x
From here, we clear the value of x.
We have then:
[tex]x = (42/3) * (10) x = 140 frames[/tex]
Answer:
frank did bowl about:
B. 140 frames

a car weighs more than 2000 pounds (write an inequality)

Answers

The answer

X > 2000

Hope this helps.

The answer is x>2000.

Hope this helps!! ;))
Have a grat day!! <3

what is 1.8k - 5 lol help :)

Answers

1.8k = 1800
so 1800-5=1795

1.8k - 5 = 1795 because all your doing is taking 5 away from 1,800.

Brainliest please? I am trying to get my rank to Ace!

If LM=41-2x and NP=7x+5, find LM

Answers

Answer:
LM = 33 units

Explanation:
From the drawing:
LM = NP
41 - 2x = 7x + 5
41 - 5 = 7x + 2x
36 = 9x
x = 9

This means that:
LM = 41 - 2x
LM = 41 - 2(4)
LM = 33 units

Hope this helps :)

Can somebody tell me the answer and how to get answers

Answers

since AB and QR are parallel, than angle 2 is the same as the given angle 70 degrees

than angle 1 would be 180 - 70 = 110 degrees

answer: 1 = 110
2 = 70

HELP ME ASAP PLEASE!!!!!

Answers

The answer is D: between 10 and 11.
Hope I helped!

The answer is D.) Because the square root of 111 is 10.53565375 which is neither 10 or 11 but its between

Help asap pleasee will give brainliest

Answers

x and 71 are complementary angles

∠1 and ∠2 are vertical angles. ∠2 has a measure of 93°. What is the measure of ∠1 ?
Enter your answer in the box. |___| °

Answers

93 if they really are vertical angles. Vertical angles are equal.

93 it tells you vertical are the same so if <2 is 93 <1 is 93 to :P

Find the quotient. Do not round. 55.328 ÷ 3.8

Answers

hello

the answer is 14.56

Have a nice day

Your answer will turn out to be 14.56. Hope this helps!

what the answer subtitution of x=6+y and ×-4y=21

Answers

x= 6 + y
x - 4y= 21

The first equation is already solved for x. Take the value of x (6 + y) and substitute it for the x value in the second equation.

x - 4y= 21
(6 + y) - 4y= 21
combine like terms
6 - 3y= 21
subtract 6 from both sides
-3y= 15
divide both sides by -3
y= -5

Substitute the -5 for y in the equation to solve for x

x - 4y= 21
x - 4(-5)= 21
x + 20= 21
subtract 20 from both sides
x= 1

CHECK:
x= 1
y= -5

x= 6 + y
1= 6 + (-5)
1= 1

ANSWER: x= 1 and y= -5

Hope this helps! :)

x=1 y=-5 hope this helped

Mrs.Hilt read 21 books.Each book had exactly 2,010 words in it. She sold five of her books for $4.95 each.How many words did Mrs.Hilt read?

Answers

Find the words Mrs.hilt read
2010 x 21 = 42210 words
Find the money of 21 books

21 x 4.95 = $103.95

How many inches are in 8 feet

Answers

There are 96 inches in 8 feet.

Hope this helped!

There are 96 inches in 8 feet. 12(8)=96

each day Marvin exercises for 48 minutes how many days will it take him to exercise for 576 minutes?

Answers

The answer is 12 because 576 divided 48 is 12 .

576 / 48 = 12

It would take Marvin 12 days to exercise for 576 minutes.

your dog's water bowl is 3/4 full after taking a drink the water bowl is 1/3 foot what fraction of the ball did your dog drink

Answers

5/12 this is easy plz hit the thanks button

how do you find a complementary and supplementary angles

Answers

Complementary angles add up to 90
Supplementary angles add up to 180

12 - Complement - 78
12 - Supplement - 168

45 - Complement - 45
45 - Supplement - 135

83 - Complement - 7
83 - Supplement - 97

63 - Complement - 27
63 - Supplement - 117

4 - Complement - 86
4 - Supplement - 176

find the measure of the missing side of a right triangle to the nearest tenth if one leg is 36cm in the hypotenuse is 39 cm

Answers

a^2+36^2=39^2
a^2+1296=1521
a^2=225
a=15

The area of the base of a rectangular prism is 18 cm2. The height of the prism is 9 1 2 cm. What is the volume of the prism?

Answers

The volume of the rectangular prism with a base area of 18 cm2 and height of 9 1/2 cm is calculated to be 171 cm3, using the formula Volume = area of base x height.

The volume of a rectangular prism is calculated by multiplying the area of the base by the height of the prism. In this case, the area of the base is given as 18 cm2, and the height is 9 1/2 cm, which can also be written as 9.5 cm for easier multiplication.

To find the volume, we use the formula: Volume = area of base * height. Substituting the known values, we get:

Volume = 18 cm2 * 9.5 cm

Volume = 171 cm3

Therefore, the volume of the rectangular prism is 171 cm3.

Select the appropriate tool for each type of measurement. Cecilia needs to determine the mass of a coin. Dmitry needs to determine the temperature of salt water. Gustav needs to measure out 12.5 mL of distilled water. Julianne wants to measure the height of her laboratory table

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Answer:

Hope this helps!:)

Step-by-step explanation:

Triangle ABC and DEF are similar. AB=15 cm, BC=18 cm, and EF=6 cm. What is thr length of DE?

Answers

3 * EF = BC
so 3 * DE= AB
DE = AB / 3
= 15 / 3
= 5 cm

What’s the measure of angle x

Answers

so a circle is divided into 360 equal degree,so that a right angle ie 90 degree

Find the slope of an line with the endpoints of (3,7) and (9,4)

Answers

Y2 -y1
X2-x1

4-7 = -3
9-3 = 6

Slope = -3/6 which mean -1/2

Y= -1/2x+b
Find b

4= -1/2(4) + b

4= = -2+b
Add 2 from both sides

6= b

Y= -1/2+6

This would help

what is the volume of a rectangular prism with a base area of 32 cm and a height 6 cm

Answers

Volume = base area x height
Volume = 32 x 6
Volume = 192cm³

------------------------------------------
Answer: 192cm³
------------------------------------------

The volume of a rectangular prism with a base area of 32 cm and a height 6 cm is 192cm³

What is Three dimensional shape?

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

A rectangular prism is a three-dimensional solid shape with six faces that including rectangular bases.

We need to find the volume of a rectangular prism with a base area of 32 cm and a height 6 cm

Volume of rectangular prism is base area times of height

Base area = Thirty two =32 cm²

Height=6 cm

Volume of rectangular prism=32×6

=192cm³

Volume of a rectangular prism with a base area of 32 cm and a height 6 cm is 192cm³

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write two division equations for 15 times 2/5= 6

Answers

Two division equations:
6 divided by 2/5 = 15.
6 divided by 15 = 2/5.

Just to the opposite of multiplication.

The two division equations for 15 times 2/5 = 6 are 15÷(5/2) = 6 and

15 = (5/2)(6) + 0.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

We know, N = DQ + R.

First type,

15×(2/5) = 6.

15÷(5/2) = 6.

Second type,

N = DQ + R.

15÷(5/2) = 6.

15 = (5/2)(6) + 0.

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Find the surface area of the figure. A) 280 cm2 B) 288 cm2 C) 296 cm2 D) 320 cm2

file:///storage/emulated/0/Download/12564.jpg

Answers

Answer:

320

Step-by-step explanation:

To find the surface area of the figure, add up all of the areas of the faces. The surface area of the rectangular prism on the left is 3(10 x 4) + 2(4 x 4) + (6 x 4) and the one on the right is 4(8 x 4) + (4 x 4). The surface area of the entire figure is 320 cm2.

Witch is greater? 8,456 mL or 9 L

Answers

If im not mistaken 9 L

9l if I’m not even mistaken

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