Answer:
49π ft²
Step-by-step explanation:
The area for a circle is A=πr² (Area=pi times radius squared)
and d=2r (diameter = 2 times the radius)
So, if we want to find area using the radius, we can get rearrange the equation d=2r to get r= d/2
r=d/2
r=14/2
r=7 ft
Then we can plug that answer into the area equation.
A=π×7²
7 squared is 49 so
A=49π ft²
y = 2x+3
2x + 5y = 3
SOLVE using substitution please show work !
Answer:
x= -1
Step-by-step explanation:
Hey I need some help here!
6x +2 (5x -6)
Answer:
1 6 − 1 2
Step-by-step explanation:
im pretty sure :OO if it's wrong im sorry :((
What is the volume of this cylinder?
8cm
20cm
Answer:160
Step-by-step explanation:
Answer:
there is no picture but if you make another post with the picture, I will more than gladly answer it :)
Step-by-step explanation:
Water boils at 100LaTeX: ^\circ∘ Celsius or 212LaTeX: ^\circ∘ Fahrenheit. Water freezes at 0LaTeX: ^\circ∘ Celsius or 32LaTeX: ^\circ∘ Fahrenheit. If the weather forecaster says it will be 30LaTeX: ^\circ∘ Celsius today, write and solve a linear equation to find what Fahrenheit temperature this is.
Answer:
[tex]F = 1.8C +32[/tex]
[tex]F = 86^{\circ}F[/tex]
Step-by-step explanation:
Represent Celsius with C and Fahrenheit with F.
So, we have:
[tex](C_1,F_1) = (100,212)[/tex]
[tex](C_2,F_2) = (0,32)[/tex]
Solving (a): Represent as a linear equation
First, we calculate the slope:
[tex]m = \frac{F_2 - F_1}{C_2 - C_1}[/tex]
This gives:
[tex]m = \frac{32 - 212}{0 - 100}[/tex]
[tex]m = \frac{-180}{- 100}[/tex]
[tex]m = 1.8[/tex]
The linear equation is then calculated using:
[tex]F - F_1 = m(C -C_1)[/tex]
Where
[tex](C_1,F_1) = (100,212)[/tex]
[tex]m = 1.8[/tex]
[tex]F - 212 = 1.8(C -100)[/tex]
[tex]F - 212 = 1.8C -180[/tex]
Make F the subject
[tex]F = 1.8C -180+212[/tex]
[tex]F = 1.8C +32[/tex]
Solving (b): The value of F when C = 30
Substitute 30 for C in [tex]F = 1.8C +32[/tex]
[tex]F = 1.8 * 30 + 32[/tex]
[tex]F = 54 + 32[/tex]
[tex]F = 86[/tex]
Answer:
person above me is wrong
draw a graph that models the relationship between time and Runners distance from the starting position use the data in the table to create the graph of the relationship be sure to include appropriate axis labels, intervals and units.
Answer:
Where is the graph?
Step-by-step explanation: How does anyone answer without a graph lol
PLEASE HELP I NEED IT LIKE ASAP!!!
Answer: oop i forgot
Step-by-step explanation srry
Plsss help I don't know how to graph I will give brainiest!Plsss help I don't know how to graph I will give brainiest!
Find the percent of change. Round to the nearest tenth, if necessary.
During the winter, the grill was marked at $85. In June, the price was changed to $110.50.
PLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLEASE ANSWER
Help!!! Please!!! The linear regression for this print-out relates the amount of oxygen in your spaceship measured in liters as a function of time In hours
Interpret the meaning of the slope in the context of the problem
Answer:
Please check explanations
Step-by-step explanation:
When we talk about the slope, we are simply referring to the change in y-value with respect to a change in x-value
From the regression line equation, we can see that the value of the slope is negative
What this means is that as the x value is increasing, the y value is decreasing
This makes sense in the context of the problem because it is expected that the amount of fuel in liters is expected to decrease with an increasing amount of time
Find the measure of
Answer:
50 degrease
Step-by-step explanation:
90-40
Someone please explain this to me.
Answer:
A is the answer
Step-by-step explanation:
Becuase if it has the same radius and the same height. then they will both be equal.
Amal can run 1/8 mile in 1 1/2 minutes how long would it take Amal to run 3 miles at that pace.
Answer:
1/2 a mile is 6 minutes making 1 mile 12 minutes
12*3 = 36 minutes
it would take Amal 36 minutes to run 3 miles
Step-by-step explanation:
i hope this helps :)
Step-by-step explanation:
jjebdnnddmldkxdnnsksms
please please help!!
Answer:
108 No explanation needed, mark me brainliest
Answer:
108 is your correct answer
Step-by-step explanation:
This stem-and-leaf diagram shows the measurements of a group of children.
Stem
13
14
14
15
15
16
Leaf
6, 9, 9
2, 3, 3, 3, 3, 4
6, 7, 7, 8, 9
1, 3, 4
6, 7
2,4
Key:
1316 means 136 cm
How many children were measured for this data set?
1 point
Answer:
1|5 or 15
Step-by-step explanation:
i need to know the answer
Answer:
A.
Step-by-step explanation:
Combine 7 and -3 to get 4
4+7xy is the answer
Answer:
Yes, you can combine the 7 and the -3. Simplified expression is 4 + 7xy
Step-by-step explanation:
3/4x + 3 = 3/8
X = what
Answer:
x = - 7/2
Step-by-step explanation:
3/4x + 3 = 3/8
3/4x = 3/8 - 3
3/4x = - 21/8
x = -7/2
What are Periodic tables
The diameter of a cylindrical water tank is 10ft and its height is 11 ft what's the volume of the tank used value 3.14and round to the nearest whole number
Answer:
863.5 ft³
Step-by-step explanation:
Given that :
Diameter, d = 10 ft
Height, h = 11 feets
Radius of tank, r = d/ 2 = 10ft / 2 = 5 ft
The volume of a cylinder is calculated using the relation :
Volume = πr²h
Volume = 3.14 * 5^2 * 11
Volume = 3.14 * 25 * 11
Volume = 863.5ft³
Eight friends went to a hockey game. The
price of admission per person was $x. Four
of the friends paid an extra $6 each for a
player guide book. Write and simplify an
expression that represents the total
cost.
Step-by-step explanation:
Four bought a book at $6
4 x $6 = $24
8 x $x = $8x
Expression
$24 + $8x
Help me with a question or two have a good day
Answer:
C
Step-by-step explanation:
Read. Conflict = bad.
Please help me solve number 1. Urgent.
Answer:
x^-(3/2) which is (1)
Step-by-step explanation:
squared root of x³ is basically x^(3/2)
And if the question is 1/x^(3/2), then you can simply answer x^-(3/2) which is (1)
what is the vaule of m in the expression m^2(2-3m)-6m(1-4m+5m^2)
Answer:
1 ( 12-3m ) - 5m ( 11-4m+25)
1 ( 9m ) - 5m ( 32m )
9m -5m ( 32m )
4m ( 32m )
32×4 = 128 m
128 m
Answer:
Without an equivalence given (i.e. an equals sign somewhere in the expression), we have no way of solving for m.
We can however simplify it:
m²(2 - 3m) - 6m(1 - 4m + 5m²)
= 2m² + 3m³- 6m + 24m² - 30m⁴
= 26m² + 3m³ - 6m - 30m⁴
= m(-30m³ + 3m² + 26m - 6)
Michele wanted to measure the height of her school's flagpole to place on the ground 35 ft from the flagpole then walks backwards until she was able to see the top of the pole in the mirror her eyes were 5 feet above the ground and she was 12 ft away from the mirror using similar triangles, find the height of the flagpole to the nearest of a foot
Answer:
15 feet
Step-by-step explanation:
Michele wanted to measure the height of her school's flagpole to place on the ground 35 ft from the flagpole then walks backwards until she was able to see the top of the pole in the mirror her eyes were 5 feet above the ground and she was 12 ft away from the mirror using similar triangles, find the height of the flagpole to the nearest of a foot
Using similar triangles
= Let the height of the flagpole be represented as h.
h/35 =5/12
We cross Multiply
35 x 5 = 12h
12h = 175
h = 175/12
h = 14.583333333 feet
Approximately to the nearest foot is
h = 15 feet
HELP PLEASE 35 points
Answer:
A because f(x) repeats
Step-by-step explanation:
Answer:
The answer is A
Step-by-step explanation:
hope it helps
On a certain day the temperature in Austin was 10.2°C and the temperature in New York City was -4.8°C. What is the difference in temperature between the two cities?
Show your work please and if you do you get 60 points!!!!
good luck and please don't get the wrong answer. it took me a long time to get the points so please and good luck!
Answer:
15°C
Step-by-step explanation:
Find the difference by subtracting -4.8 from 10.2
10.2 - (-4.8)
Subtracting a negative number changes to adding a positive number:
10.2 + 4.8
= 15
So, the difference in temperature between the two cities is 15°C
please answer, the question on the attachment
1.9/10. 2.22 3.64. 4.3.15. 5.160. 6.81
hi someone please help this is really urgent !!!
picture is attached pls help <3
Answer:
it can be answer that it could be posstive
Wendy walked 2miles in 30 minutes. At this rate, how many miles could Wendy walk in 90 minutes
Answer:
6 miles in 90 minutes
Step-by-step explanation:
Since wendy is walking at a fair constant rate, you would multiply 3x30 to get 90 minutes and you will multiply 2x3 to get 6 miles
Answer:
6 miles
Step-by-step explanation:
90 divide by 30= 3
3*2 =6
BRAINLIEST! URGENT!
Can someone please help me with this? I know its C cause someone answered it. ut didnt explain.
Answer:
c) 160,000
Step-by-step explanation:
Since we know that the population of both city x and city y are equal in 2015, we can use the population growth of population of city x to find the population in 2015:
120,000 x 1.2 = 144,000.
Now, since we know that City Y's population decreased 10% from 2010 to 2015, we can divide the 2015 population of city Y (which is the same as city x - 144,00) by 1 - decrease rate to find city y's population in 2010:
1 - .1 = .9
144,000 / .9 = 160,000
I hope this helps!
-TheBusinessMan
Arrange the rational numbers in order from greatest to least. Select each rational number and drag up or down to change the position in the list.
1/4, 0.4, 4%, 0.4
also the last 0.4 has a line over top of it :) plz help......
Answer:
1/4, 0.4, 0.4/w line, and 4% I think
Step-by-step explanation: