Can someone help me understand this?

Answer:

area = m²/2π

Step-by-step explanation:

∵ circumference of circle = 2πr = m

∴ r = m/2π

∵ area of circle = πr²

∴ area of circle = (m/2π)² × π = m²/2π² × π = m²/2π

hope this helps

Step-by-step explanation:

Note:-It is a long explanation please forgive me for that

Answer:

(0,10)

Step-by-step explanation:

i used the demos calculator

Answer:

Slope intercept form is y = mx + b

m is slope

b is y intercept

y = -4/5x + -9

I only know that first one sry

Step-by-step explanation:

Answer:

yes.

Step-by-step explanation:

slope intercept form is y=mx+b

b is the y intercept, m is the slope, and x is x.

for

1. it would be

y= -4/5x -9

2. You take the points and do (y2-y1) DIVIDED BY (x2-x1)

it would look like:

(5- -3) / (3-0) = (8/3)

Then plug in one of the sets of numbers for x and y, to get y intercept.

5=8/3(3)+b

b=-3

So.. slope intercept would be y=8/3x -3

Answer:

It has no solution, unless there's a specific way it needs to be solved

Step-by-step explanation:

Answer:

160cm

80cm

Step-by-step explanation:

If 12cm = 1.5m

convert cm to meter

1 meter = 12/1.5 = 8cm

20m = 20m x 8 cm = 160 cm

10cm = 10 x 8 = 80cm

Answer:

Its A 61.88ft

Step-by-step explanation:

just took the test edge 2021

Answer:

1 ÷ 2 pounds

Step-by-step explanation:

The computation is shown below:

As we know that

1 pound = 0.454 Kg

Peanut starting weight = 3 ÷ 4 of a pound.

In the case when  the bag is 2/3 full, so the weight is  

= 2 ÷ 3 × 3 ÷ 4

= 1 ÷ 2 pounds

Answer:

D

Step-by-step explanation:

Answer:

D. x plus y and x minus y plus 2y

x + y

x + y

Step-by-step explanation:

2y minus four and 2y minus four plus 9

2y - 4

2y - 4 + 9

14x minus seven and 7x minus fourteen

14x - 7

7x - 14

9y plus 3 plus two and 3(y plus one) plus two

9y + 3 + 2

3(y + 1) + 2 = 3y + 3 + 2

x plus y and x minus y plus 2y,

x + y

x - y + 2y = x + y

x + y

x + y

x plus 2y and x minus y

x + 2y

x - y

Answer:

If the average rate of change in the data is negative, based on the variables analyzed;

b. It means that the median age of a man at the time of his first marriage is decreasing

Step-by-step explanation:

The given data is presented as follows;

Year;        [tex]{}[/tex]       1910, 1920, 1930, 1940, 1950, 960, 1970, 1980, 1990, 2000

Median Age; [tex]{}[/tex] 25.1,   24.6, 24.3,  24.3,  22.8, 22.8, 23.2, 24.7, 26.1,   26.8

The date points are plotted on a graph using Microsoft Excel

[tex]The \ average \ rate \ of \ change = \dfrac{The \ change \ in \ the \ median \ age}{The \ corresponding \ change \ in \ years \ (always \ +ve)}[/tex]The corresponding change in years, Δx, is positive because, we have;

Δx = x₂ - x₁ = Higher year - Previous year

Therefore, for a negative average rate of change, we have;

[tex]The \ average \ rate \ of \ change = -ve = \dfrac{The \ change \ in \ the \ median \ age}{+ve}[/tex]

∴ The change in the median age, Δy = +ve × (-ve) = -ve (negative)

Δy = -ve

∴ Δy = Median age for higher year - Median age for previous year = -ve

Median age for higher year = -(y) + Median age for previous year

Where 'y' is positive  

∴ Median age for subsequent year < Median age for previous year

Therefore, if the average rate of change is negative, the median age of a man's first marriage is decreasing

Answer:

D

Step-by-step explanation:

took the test

Answer:

5/8=0.625

0.625*40=25

Step-by-step explanation: Hope this helps

Answer:

Step-by-step explanation:

(12x + 19) + (22x - 9) = 180

34x + 10 = 180

34x = 170

x = 5

Answer:

480 g of cereal ...........

Answer:

-8, 0, and -12

Step-by-step explanation:

Using -7 would get you 8. Using -5 would get you 4

Answer:

A) 11°

Step-by-step explanation:

All triangles equal 180, so:

102 + 67 + x = 180

169 + x = 180

x = 11

Answer:

Slope = -2

Step-by-step explanation:

Use the equation to find a slope:

y2-y1/x2-x1 = slope

-54 - 18 = -72

24 - (-12) = 36

-72/36= -2

Answer:

x+12=7

x=7-12

x= -5.........

Answer:

q

Step-by-step explanation:

a

Answer:

Step-by-step explanation:

Answer:

the answer is A It increases.

that's the right answer go add me snap cutegirllove17

Step-by-step explanation:

have a good day

Answer:

[tex]\frac{19}{40}[/tex]

Step-by-step explanation:

The computation of the meters of cloth that were not use is shown below:

= Used for making a curtain - purchase of curtain cloth

[tex]= \frac{3}{5} - \frac{1}{8}\\\\= \frac{24 - 5}{40} \\\\= \frac{19}{40}[/tex]

Hence, the meters of cloth that was not used is [tex]\frac{19}{40}[/tex]

Answer:

Option (a) 55

Step-by-step explanation:

No. of boxes=1²+2²+3²+4²+5²=55

Answer:

Just cross multiply

48+42i-42i-36i

then your final answer is: 48-36i

Answer:

C. -4 <= x <= 1

Step-by-step explanation:

The function increases where the slope of the line is up to the right, a positive slope. That only happens in the interval -4 <= x <= 1.

Answer: C. -4 <= x <= 1

Answer:

zero

Step-by-step explanation:

The computation of the remainder when the number would be divided by 35

Let the number be x

So if x is divided by 5 gives the remainder 0

x = 0

And, if x is divided by 7 gives the remainder 0

x = 0

So if x is divided by 35 so the remainder is also zero

Answer:

The domain is all real numbers

The range is y > 0

Step-by-step explanation: