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Answers

Answer 1

Answer:

D

Step-by-step explanation:

Area of circle: π*r^2

[tex]\pi *(40^{2} -18^{2} )[/tex]

=3.14*1276

=4006.64


Related Questions

Hurry plzzzz!! It’s for a test and I’m stuck

Answers

Answer:

im pretty sure it is 2m + 10

bc the min is going up by 2 every time and the gallons are going up by 10 each time

Step-by-step explanation

i commented b4 i actually answered it bc it wouldnt let me sry

Please help me solve this question will give you braisnlt !

Answers

Answer:

t = 54m + 160

Step-by-step explanation:

Input = m

Output = t

Equation of the function in slope-intercept form, is represented as t = km + b

Where,

k = slope/rate of change

b = y-intercept

Using two pairs, say, (2, 268) and (3, 322):

[tex] slope(j) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{322 - 268}{3 - 2} = \frac{54}{1} = 54 [/tex]

k = 54

Find b, by substituting m = 2, t = 268, and k = 54 into t = km + b.

Thus:

268 = (54)(2) + b

268 = 108 + b

268 - 108 = b (subtraction property of equality)

160 = b

b = 160

To find the equation of the function, substitute k = 54, and b = 160 into t = km + b.

Thus:

t = 54m + 160

Solve for x in each of the following diagrams. ​

Answers

In the left one x equals 12.9 and on the right one x equals 11

What expression is equivalent to 12y + (7y)(3)

Answers

Answer:

I got 33y

Step-by-step explanation:

hi if its right but here

Answer:

57y

Step-by-step explanation:

Are the equation linear or nonlinear?​

Answers

Answer:

Results below

Step-by-step explanation:

Equation of the line

A straight line can be written in the form:

y = ax + b

Where a and b are constants and x is the independent variable.

The essential condition for an equation to be linear is that the x must be powered to the exponent 1, which is usually not written.

From the equations presented in the table:

[tex]y = x^1+2[/tex] is linear because the exponent of the x is 1

y = 5(x+2) = 5x + 10 is linear with a=5 and b=10.

y = x is linear with a=1 and b=0

[tex]y = x^2+1[/tex] is not linear because the exponent of x is 2

[tex]y = x(x) = x^2[/tex] is not linear because the exponent of x is 2

The table below summarizes the results

A model of a telescope has a height of 15 inches and and a diameter of 3.5 inches. If the actual diameter is 10 inches, find its actual height.

Answers

Answer:

The actual height of telescope is 42.85 inches

Step-by-step explanation:

Given that:

Height of model of telescope = 15 inches

Diameter of model of telescope = 3.5 inches

Actual diameter of telescope = 10 inches

Actual height of telescope = x

Ratio of model's diameter to height :: Ratio of actual diameter to height

3.5 : 15 :: 10 : x

Product of extreme = Product of mean

3.5*x = 10*15

3.5x=150

Dividing both sides by 3.5

[tex]\frac{3.5x}{3.5}=\frac{150}{3.5}\\x=42.85[/tex]

Hence,

The actual height of telescope is 42.85 inches

please help me asap​

Answers

Answer:

Not sure what number sense is, but 3 is the answer.

Step-by-step explanation:

Answer:

the answer would be 3.

Step-by-step explanation:

5 times 3 is 15 plus 40 is 55. Hope this helps!!! Please let me know if i'm right!!!

Which of the following uses properties of operations to help find 34 x 12?
(30 + 4) X (10 + 2)
30 x 4 x 10 x 2
30 + 4 + 10 + 2
34 + 12

Answers

Answer:

the first one is your answer

Step-by-step explanation:

Choose the equation that represents the asymptote of the graph f(x) = 2^x +3.

y = 0
y = 3
x = 0
x = 3​

Answers

Answer:

x = 0

Step-by-step explanation:

The horizontal asymptote occurs at x = 0, Hence the equation that represents the asymptote of the graph is at x = 0

f(x) = 2^x +3.

0 = 2^x +3.

2^x +3. = 0

2^x = -3

log 2^ x = log(-3)

x log2 = log(-3)

x = log(-3)/log 2

Hence the required function is when x = 0

16) The expression 100 + 5n can be used to find the total price for students to take a field trip to the
science museum. If n represents the number of students, determine the cost for 120 students(n) to
Visit the science museum.
A. $225
B.$105
C. $600
D. $700

Answers

The answer to this question is D

Which relation below represents a one-to-one function? A 2-column table has 5 rows. The first column is labeled x with entries 5, 14, 7, 13, 12. The second column is labeled f (x) with entries 26, 197, 50, 170, 197. A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entries 5, 2, 1, 2, 5. A 2-column table has 5 rows. The first column is labeled x with entries 7.25, 7.5, 7.75, 8, 8.5. The second column is labeled f (x) with entries 11, 13, 15, 13, 11. A 2-column table has 5 rows. The first column is labeled x with entries 9, 2, 4, 1, 5. The second column is labeled f (x) with entries 12, 7, 9, 13, 5.

Answers

Answer:

D is the correct answer actually

Step-by-step explanation:

just took the unit review

Answer:

d

Step-by-step explanation:

Guys I need some help

Answers

The answer is c your welcome

y=5x-1
2x+y=13 how to solve​

Answers

Answer:

x = 2, y = 9 or (2,9)

Step-by-step explanation:

Hello!

The first equation "y = 5x - 1" is telling us that y is equal to 5x - 1

We can plug in the first equation into the second like this:

2x + y = 13 (we know y so we can plug it in)

2x + (5x - 1) = 13

2x + 5x - 1 = 13

7x - 1 = 13

Now we add 1 to both sides

7x - 1 + 1 = 13 + 1

7x = 14

x = 2

Now we plug in x to find y:

y = 5x - 1

y = 5(2) - 1

y = 10 - 1

y = 9

Simplify 2(-3-7) this is math

Answers

Answer: -20

Step-by-step explanation:

2(-3 -7)

Use distributive property

2 * -3 = -6

2 * -7 = -14

-6 -14

Then, combine them

-6 -14 = -20

Answer:

-20

Step-by-step explanation:

Find the unit rate. Round to the nearest hundredth, if necessary.

$5.99 for 18 lb

The unit rate is ?/b

Answers

the answer for this is 3.0

Serena and Stacey are professional hairdressers who work at two different beauty salons in the city. Serena works for 8 hours and earns $112 Stacey is paid $75 for 5 hours of work. Who makes more money per hour?

Answers

Answer:

The answer is stacy.

Step-by-step explanation:

if you do 112 divided by 8 you get 14

if you do 75 divided by 5 you get 15

Stacey makes more because $75/5h=15$/h and $112/8h=14$/h

Consider the system of linear equations below.

3x + y = -4
--5x + y = 8
Graph on a graph paper and
Describe the graph
A) they are parallel
B) the concide
C) they intersect

Answers

It’s c ;) just trust and believe in de ways of de math wiz

image to help also needed asap :/

Answers

Answer:

Its c/2

Step-by-step explanation:

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What is the solution to 18 = 2(2x + 7)?

Answers

18=2(2x+7)
2*2x=4x
2*7=14
18=4x+14
18-14=4
4=4x
1=x

marry christmas even tho are parents lied to us and hes not real

Answers

Answer:

Merry christmas, and he is real

Step-by-step explanation:

Answer:

oop lol MERRY CHRISTMAS!!!! Also cute picture :)

HAPPY HOLIDAYS!

Send virtural hugs*

Identify the common difference of the sequence: –8, –1, 6, 13

Answers

Using arithmetic sequence concepts, it is found that the common difference of the sequence is of -7.

Arithmetic sequence:In an arithmetic sequence, the difference between consecutive terms is always the same, and it is called common difference.

In this problem, the sequence is: {-8, -1, 6, 13}

The difference between consecutive terms is:

[tex]13 - 6 = 6 - (-1) = -1 - (-8) = 7[/tex]

Hence, the common difference of the sequence is of -7.

You can learn more about arithmetic sequence at https://brainly.com/question/6561461

plz help me this is a final!!!

Answers

Answer: (a) 10 (b) 1. 10 2. -10 (c) 1. 10 2. 10

Step-by-step explanation:

2. Sandra plans to swim a total of 2 2/3 miles every week for 2 1/5
weeks. How many miles is Sandra planning on swimming?

Answers

Answer:

5 13/15 miles

Step-by-step explanation:

There are 3 green marbles and 15 blue marbles in a bag. What is the ratio of green marbles to total number of marbles?

Select all the equivalent ratios that represent this relationship.


3:15

1:6

2:12

1:5

3:18

2:10

Answers

Answer:

3:15

1:5

Step-by-step explanation:

Answer:

3:15 and 1:5

Step-by-step explanation:

Hope this helped ^^✨

Linda’s container of cranberry juice holds 200 millimeters. Harry’s container holds 7/8 as much juice. How many millimeters of cranberry juice do two containers hold?

Answers

The answer is 375..........

Need help Pronto! Will give braintliest.

Answers

Answer:

b

Step-by-step explanation:

i’m pretty sure it’s B, but i’m not 100% sure, sorry if it’s wrong :(

A scientist started with a culture of 10 bacteria in a dish. The number of bacteria at the end of each successive minute increased exponentially, so that the number at the end of one hour was 500. How many hours (to the nearest hour) from the start of the experiment passed before there were 1,000,000 bacteria?

Answers

Answer: 3 hours

Step-by-step explanation: Exponential growth is a model showing a specific quantity increasing over time.

The formula for it is [tex]y(t)=A_{0}e^{kt}[/tex]

in which

y(t) is the quantity after time t

A₀ is initial value

k is rate of growth

t is time

To determine how much time has passed, first find the rate of growth and knowing that 1 hour has 60 minutes:

[tex]500=10e^{60k}[/tex]

[tex]e^{60k}=50[/tex]

[tex]60k=ln(50)[/tex]

k = 0.065

With the rate, determine the time

[tex]10^{6}=10e^{0.065t}[/tex]

[tex]e^{0.065}=10^{5}[/tex]

[tex]0.065t=5ln(10)[/tex]

t = 177.12 minutes

The amount of hours passed is

[tex]t=\frac{177.123}{60}[/tex]

t = 3

From the start of the experiment, it has passed 3 hours before there were 1,000,000 bacterias.

Now I need thissss pls

Answers

I think it’s 25 because 65 + 90 is 155 + 25 is 180

PLEASE HELP ME ILL GIVE 5 STARS ASAP PLEASE
Ron drew a scale drawing of a neighborhood park. The scale he used was 1 centimeter: 2 meters. The actual width of the volleyball court is 8 meters. How wide is the volleyball court in the drawing?


Answer

Answers

16 wide

Step-by-step explanation:

because i do 8 x 2

Answer: 4 cm will equal the width of the volleyball court on the scale drawing

Step-by-step explanation:

1cm = 2m

8m/2m =4 cm

Write the ratio as a fraction in lowest term: 15 to 36​

Answers

Answer:

5/12

Step-by-step explanation:

15 to 36 can also be written as 15/36.

Divide by common values to simplify.

15÷3/36÷3

5/12

Best of Luck!

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