Mathematics Middle School

Write the standard equation of a circle with center (4, 1) and radius 5.

Answers

Answer 1

Answer:

(x−4)^2+(y−1)^2=25

Step-by-step explanation:

Related Questions

What is -14 ÷ -112 = to?

Answers

Answer:0.1 just use a calculator

Step-by-step explanation:

the answer is .125 okay

Nothing clicks, Help!

Answers

Answer:

p = 24

a = 10

Step-by-step explanation:

Answer: X = 3

The perimeter of each figure is 12 cm

Step-by-step explanation:

The question starts by telling you that the perimeters are the same.

So make an equation using the information given.

6(x-1) = 4x

Then solve it.

6x - 6 = 4x Subtract 4x from both sides, and add 6 to both sides.

6x -4x -6 + 6 = 4x-4x + 6 Cancel as necessary -6+6=0 4x-4x=0

2x = 6 .divide both sides by 2

x = 3

To get the perimeters, substitute the value 3 for x in the original expressions:

6(3-1) ==> 6×2= 12 for the hexagon.

4×3 = 12 for the square

What is the density of lead if a cube measuring 2 cm per side has a mass of 90.8 g?

Answers

Answer:

8.1 g/cm

Explanation:

Density is equal to mass divided by volume. You are given a mass of

64.7

grams. You can find the volume of the cube by doing height multiplied by width multiplied by depth.

Because all of the sides of a cube are the same length, the volume just ends up being

(

2 cm

)

8 cm

Now plug both of those numbers into your density equation

64.7 g

8 cm

8.1 g/cm

Step-by-step explanation:

Answer:

8,1 g / cm

Explicación:

La densidad es igual a la masa dividida por el volumen. Se le da una masa de

64,7

gramos. Puede encontrar el volumen del cubo multiplicando la altura por el ancho por la profundidad.

Como todos los lados de un cubo tienen la misma longitud, el volumen acaba siendo

Step-by-step explanation:

Please help, I am on a timer and need help with this question. I will give brainliest

Answers

Answer:

Step-by-step explanation:

Plug in -2 as x into the equation, if it equals y then it is correct ;) hope this helps

Explain how to use a pattern to find the product of a decimal

Answers

Answer: Remove, Multiply, Add (RMA)

Step-by-step explanation:

I'll share a method I use. it is removed, multiply, and add. first, you have to remove the decimals from the problem, multiply them, and add the decimals back into the problem. count the number of how many numbers are behind the decimal. for example, let's take 3. after you multiply, count three spaces to the left and place the decimal. let's take 3.12 x 2.7. first, remove the decimals. after you do that, you're left with 312 x 27. do the multiplication, and then count the number of how many numbers are behind the decimals. so, that would be three. your answer for the mutiplication problem is 8,424. since there are three spaces, you would count one, two three. to the left of 8,424. therefore, the answer is 8.424

Answer: what they

Step-by-step explanation:

Please Help!! Correct Answer Will Get Brainliest!!! While stuck in traffic with his family, Hector counted other cars on the highway. Altogether he counted 72 cars. Of those cars, 27 were trucks. What division expression shows the fraction of trucks that Hector counted?

Answers

Answer: 72 divided by 27 equals remainder of 2

Step-by-step explanation:

George solved the equation -103 = -2(-7x + 7) + 8x as follows:

-103 = -2(-7x + 7) + 8x

Step 1: -103 = 14x + 7 + 8x

Step 2: -103 = 22x + 7

Step 3: -110 = 22x

Step 4: -5 = x

At which step did he make an error?

Explain the error:

Answers

when multiplying -2 by 7 the answer will be -14 instead of 7 so the answer will be like this
-103 = -2(-7x + 7) + 8x
-103 = 14x - 14 + 8x
-103 = 22x - 14
-89 = 22x
x = -4

Step 1:-103=14x - 14 + 8x
Step 2: -103 = 22x - 14
Step 3: -117 = 22x
Step 4: -5.31818182 = x

The ordered pairs (−2,3), (1,3), (1,−3), and (−2,−3) represent vertices of a polygon on the coordinate plane. What is the area of the polygon? 9 square units 9 square units 36 square units 36 square units 24 square units 24 square units 18 square units. Please help my head hurts and i cant figure this out

Answers

hope this helps if not im sorry i will fill bad if this dont helps

The ordered pairs (2,3), (1,3), (1,3), and (2,3) represent vertices of a polygon on the coordinate plane.

Which of the following reasons helps explain why − 7/0 is not a rational number.

The number is not written as a decimal.

The number is a fraction.

The number has a zero in the denominator.

There is a negative sign in front of the number.

Answers

Hi!

The number has a zero in the denominator.

If a number has a 0 in it's denominator, then it's not rational

Division by 0 is undefined.

Hope this helps you!

~Just a felicitous girlie

#HaveAWonderfulDay

$SilentNature$

Help please!

The table of ordered pairs shows the coordinates of the two points on the graph of a function. Write an equation that describes the function.

Answers

Answer:i need money

Step-by-step explanation:please give me money

Please Help I need it before morning ET America

Answers

Ok so the first thing you need to do is convert the fraction to hundreds. Since 20 goes into 100 5 times, we are going to multiply the fraction by 5/5.

(3/20)x(5/5)= 15/100

15/100 is the same as 15 percent

ANSWER: (3/20)= 15 percent

Hope that helps! Let me know if you have any questions about what I did!

We will multiply 3/20 by 5/5 because 20•5=100 and percents are fractions over a hundred. But, since we multiplied 5 by 20, we need to do the same to the numerator, 3. 3•5=15. Our new fraction is 15/100. When we have a numerator, in this case 15, over the denominator 100, our numerator would be the percent. So, 3/20 as a percent is 15%

Answers
A. 9
B. 19
C. 22
D. 30

Answers

Hello!

6√10 = 18.973665961... ≈ 19

the answer is 19

Answer:

it's right answer 19

Step-by-step explanation:

its helps you (⁠ ⁠◜⁠‿⁠◝⁠ ⁠)⁠♡

The lengths of the sides of a triangle are shown. What is the perimeter of the triangle?

Answers

Answer:

31.205?

Step-by-step explanation:

Answer:

31.205

Step-by-step explanation:

P=a+b+c=10.07+12.4+8.73≈31.205

What is the solution of the equation n+13=30 ?

Answers

The answer is 30 right

Answer:17

Step-by-step explanation:

1) 30 -13=17

n=17

brainliest for brainliest??

Answers

Answer:

sure

Step-by-step explanation:

Answer:

yassssssssssssuwujejfjktjkri

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
helpppppppppppppppppppppppppppppppppppppppppppp meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

3 6/8

So it would be answer b

Answer:

3 6/8 inch

Hope this helps!

Keira said that if 6 tickets are sold, there should be 2 tickets left. Is Keira correct?

Answers

To determine whether Keira's statement is correct, we need to analyze the information provided.

According to Keira, if 6 tickets are sold, there should be 2 tickets left. However, we don't have any information about the initial number of tickets available.

If the total number of tickets initially was 8, and 6 tickets were sold, then there would indeed be 2 tickets left, supporting Keira's statement.

However, if the total number of tickets initially was less than 8, or if the statement doesn't specify the initial number of tickets, we cannot determine if Keira's statement is correct.

Therefore, without additional information, we cannot determine the accuracy of Keira's statement.

in order to know if Keira has two tickets left, we need to know the first number of tickets without that number there is no way to find the remainder

please help thx
3b–3>3

Answers

Answer:

If it is a inequality it would be b>2

Step-by-step explanation:

Move all terms not containing b to the right side of the inequality.

Add 3 to both sides of the inequality.

3b>3+3

Add 3 and 3.

3b>6

Divide each term in 3b>6 by 3 and simplify.

Divide each term in 3b>6 by 3

3b/3 > 6/3

Simplify the left side.

Cancel the common factor of 3.

b>6/33

Simplify the right side

Divide 6 by 3.

b>2

Answer:

b > 2

Step-by-step explanation:

3b-3 > 3

3b-3 [+3] > 3 [+3]

3b > 6

b [/3] > 6 [/3]

b > 2

Jacob needs to know the volume of the cylinder shown below. Which expression will give him the correct volume?

Answers

Answer:

Step-by-step explanation:

3.14(24 square)(2.5)

PIE X radius squared X height

The answer is b tell me if u need a explanation

please helppppppppppp

Answers

I’m not sure what the question is. Do you want me to fix the grammar of the sentence?

“I had 4 of the most expensive cupcakes here two days ago, and 7 yesterday.”

The rest of the grammar is correct.

If you want want me to continue the pattern of cupcakes then it’s

4, then 7, then 9, then 11 (etc)

Just add 3 each time.

Calculate the average (arithmetic mean) of the list of numbers shown in the table. (rounded to the nearest tenth)
Responses
A 39.139.1
B 44.044.0
C 39.039.0
D 35.235.2
E 39.2

Answers

Answer:

The answer is B. 39.0

Step-by-step explanation:

To find the average we add all the numbers then divide it by the total amount of numbers

= 23 + 33 + 33 + 27 +25 + 68 + 27 + 44 + 72/9

= 352/9

= 39.111111111

Round it of to the nearest tenth

= 39.0

Mrs. Smith read 52 books during 2020. At the end of October 2021, she has read 37 books. Is she on track to beat her total from 2020 or will she not read enough? Put your answer and explain why.

Answers

Answer:

She will not read enough because reading 15 books withing 2 months is impossible especially since she was only able to read 37 books for the past 10 months

Step-by-step explanation:

please give brainlist

Answer:
No
Why: because 37 divided by 10(months she’s read in so far) is 3.7 and that times 2(amount of months she has left) is 7.4
7.4 plus 37 is 44.4 which isn’t more than her total from last year.

Please Hurry. I need this answer quickly please.

Answers

Answer:63

Step-by-step explanation:

multiply 72 by 7 then divide i by 8

(72×7)/8

=63

It's 63.

simplify the equation 7/8×72 multiple 7×9 solution is 63

Write 188% as a fraction or mixed number in simplest form.

The simplest form is___.?

Answers

188% as a fraction is 188/100 and the simplest form of 188/100 is 47/25 and 47/25 as a mixed number is 1 22/25

Bradley wants to get a new phone. Full price is $750. Next week is a 40% off sale. If Bradley waits, how much will the phone cost next week?Must Show Work

Answers

450 i am sorry if this is wrong

If Bradley waits for the 40% off sale, the phone will cost $450 next week.

To calculate the price of the phone after a 40% discount, we can multiply the original price by the discount percentage.

Given that the full price of the phone is $750 and the discount is 40%, we can calculate the discounted price as follows:

Discounted price = Full price - (Discount percentage * Full price)

Discounted price = $750 - (40% * $750)

First, we calculate the discount amount:

Discount amount = 40% * $750

Discount amount = 0.40 * $750

Discount amount = $300

Next, we subtract the discount amount from the full price:

Discounted price = $750 - $300

Discounted price = $450

Therefore, if Bradley waits for the 40% off sale, the phone will cost $450 next week.

To know more about cost click here :

https://brainly.com/question/23866536

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An American traveling in Japan wishes to exchange American money for Japanese money. If the exchange rate is $1 = 80 yen, then how many dollars will the traveler need to purchase 10,000yen?

Answers

Answer: $125

Step-by-step explanation:

1/80=x/10,000

10,000/80=125

Hope this helped!

Answer:125 yen

Step-by-step explanation:
Ratio and proportion

Ratio=1:80=x:10,000

x represents dollars which is unknown

1/80=x/10,000

Then you cross multiply

80x=10,000

80x/80=10,000/80

x=125

Therefore,$125 will give you 10,000yen

The temperature at noon is -4 degrees Celsius. The temperature at 6:00 pm -12 degrees Celsius. What is the difference between noon and the 6:00 pm temperatures?

Answers

Answer: The difference in the temperatures is 8° C colder between noon and 6 pm

Step-by-step explanation: To find the difference, subtract.

-12 -(-4) = -12 +4 = -8

The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.

Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside

Part A: Calculate the measures of center. Show all work. (2 points)

Part B: Calculate the measures of variability. Show all work. (1 point)

Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)

Answers

To calculate the measures of center, we need to find the mean and median for each school.

For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).

Range: The range is the difference between the largest and smallest values in the dataset.

For Mountain View School:
Range: 9 - 0 = 9

For Seaside School:
Range: 9 - 0 = 9

Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.

For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4

For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5

To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.

Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice

Part A:

For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.

For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.

Part B:

For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.

For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.

Part C:

If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.

Warren jarred 12 liters of jam after 3 days. How many days does Warren need to spend making jam if he wants to jar 20 liters of jam in all? Solve using unit rates.
____ days

I need help! Please....
(16 If Solve) :)

Answers

Answer:

12liters/3 days = 4 liters/1 day

Step-by-step explanation:

so if Warren continues to go at the same speed he will jar 20 liters in 5 days

D=Days

L=Liters of jam

12L÷3D=4 = 4L/1D

what is 20000x4000 to the pwer of 2+x+4=?

Answers

Answer:

80000000^x+6

You multiply than add the 2 and 4 in the exponent.

Answer:

20000*4000 to the power of x+6

Step-by-step explanation:

Add the 2 and 4

This is the most you can simplify too

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