A cone has volume 12pie cubic inches. Its height is 4 inches. What is its radius?
A.) 6 inches
B.) 4 inches
C.) 12 inches
D.) 3 inches
Answers
Answer:
r = 3
Step-by-step explanation:
The formula of a volume of a cone
V= 1/3 pie r^2 H
r - radius
H - height
We have V = 12π in³ and H = 4 in. Substitute:
The radius of the cone is 3 inches
Volume of a conev = 1 / 3 πr²hwhere
h = height
r = radius
Therefore,
v = 12π
h = 4
12π = 1 / 3 × π × r² × 4
12 = 4 /3 r²
36 = 4r²
r² = 36 / 4
r = √9
r = 3 inches
learn more on cone here:https://brainly.com/question/9837241
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Answer:
(the slope is 3/5)
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Answer:
Angle 4 is 65°
Step-by-step explanation:
180-115=65
Answer:
m<4 would be 65 degrees.
Step-by-step explanation:
You know they add up to 180, so 180 - 115 = 65 degrees.
3x+2y=400
2x+3y=425
What is the value of x and y
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Step by Step explanation:If 2x+3y=425 and 3x+2y=350 find x and y. 1 ... If the sides of a right triangle are 3^2 ,4^2 and Y what are both possible values of y^2? I figured ...
1 answer
Missing: 400 | Must include
81, 6, 7, 1, 42
Mode ??
Median ??
Answers
Answer:
No mode
Median 7
Step-by-step explanation:
Mode: The mode is the element that occurs most in the data set. In this case, all elements occur only once, so there is no mode.
Median: Arrange the data in an ascending order and the median is the middle value. If the number of values is an even number, the median will be the average of the two middle numbers.
Answer:
Mode: no mode
No mode because there are no repeating numbers.
Median=7
Put in order from least to greatest- 1,6,7,42,81
Find the one in the middle- 7
Westminster Street and Lake Avenue intersect. If Westminster Street is 7 meters wide and Lake Avenue is 5 meters wide, what is the distance between two opposite corners of the intersection? If necessary, round to the nearest tenth.
Answers
Answer:
the distance between two opposite corners of the intersection is 8.60 meters
Step-by-step explanation:
The computation of the distance between two opposite corners of the intersection is given below:
Here we applied the Pythagoras theorem
[tex]= \sqrt{7^2 + 5^2} \\\\= \sqrt{49 + 25} \\\\= \sqrt{74}[/tex]
= 8.60 meters
hence, the distance between two opposite corners of the intersection is 8.60 meters
A snack mix contains toasted oat cereal, chocolate, and nuts in a ratio of 2 : 2 : 1 by mass. What mass of each ingredient is needed to make a 750 g mix?
Answers
Answer:
300g cereal
300g chocolate
150g nuts
Step-by-step explanation:
5x=750
x=150
2x=300
What is the value of y?
Enter your answer in the box.
Answers
180-50= 130
130-70=60
60/3= 20
Square root 5 x square root 5 x square root 2 x square root 2
Answer left in surds
Answers
Answer:
10 or [tex]\sqrt{100}[/tex] (in surds)
Step-by-step explanation:
[tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] × [tex]\sqrt{2}[/tex] × [tex]\sqrt{2}[/tex] = 5×2 = 10 or [tex]\sqrt{100}[/tex]
When the same square root multiply each other, they equal to the number in the square root. E.g. [tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] = 5 because [tex]\sqrt{5}[/tex] × [tex]\sqrt{5}[/tex] also equals to [tex]\sqrt{25}[/tex], which is 5.
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How do you calculate the area of a circle
Answers
Just follow this formula.
Area of a Circle= [tex]\pi R^{2}[/tex]
That means PI Radius Squared
Hope this Helps.
-Northstar
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Answer:
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Step-by-step explanation: plug the values into x and it's that equation
Find the Y intercept of the line y-3=2(x + 1)
Answers
Answer:
y=2x+1
Step-by-step explanation:
3. Elena walked 12 miles. Then she walked 0.25 that distance. How far did she walk all together? Select all that apply.
A. 12 + 0.25 ⋅ 12
B. 12(1 + 0.25)
C. 12 ⋅ 1.25
D. 12 ⋅ 0.25
E. 12 + 0.25
Answers
Answer:
A, B, C
Step-by-step explanation:
12+0.25*12=12(1+0.25)=12*1.25
Answer:
B. 12 + 0.25 ⋅ 12
C. 12(1 + 0.25)
Step-by-step explanation:
It asks you how far she walks all together, so you need to find that answer first to figure out the rest correctly. Now, the total she walked is 15 miles. B. and C. give you 15, however, the rest give you different answer than the total she actually walked.
consider the expression 7 - 4y. Why would the co-efficient be -4 and not 4?
Answers
Because the answer to X is a negative number, and negative numbers are needed for negative answers
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Step-by-step explanation: I’m not that smart and I have no friends on brainly but hope it helps and makes your day.
help? please
a perimeter of 100cm and
the largest possible area
Answers
Area = Length x Width
to find the perimeter , you have to add all 4 sides of the shape . if the perimeter is 100 therefore you can divide 100 by 4 and get 25 . If all sides are 25 cm , then the area would be 25 x 25
Let me know if this helps!
state if polygons are similar
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Answer:
yea its is
Step-by-step explanation:
Lesson 3.3T - Calculating Slope from Graphs
Name
Period
Date
Sketch a line that has the given slope.
1. Positive Slope
2. Negative Slope
3. Zero Slope
4. Undefined Slope
Itt
Draw a slope triangle for each line (when possible) and give the slope. Remember to designate
if slope is positive or negative.
5.
6.
Remember
that slope is
rise over run.
SLOPE =
SLOPE =
8.
2
4-3
.
-2
SLOPE
SLOPE =
EdGems Core - Course 3
Copyright 2018 All Rights Reserved
Lesson 3.3 - Calculating Slope from Graphs
Answers
Answer:
1. draw a line from the bottom left quadrant to the top right quadrant
2. draw a line from the top left quadrant to the bottom right quadrant
3. draw a horizontal line in any quadrants
4. draw a vertical line in any quadrants
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Step-by-step explanation:
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Step-by-step explanation:
20 points.
Find the equation of the line: which passes through (1,-7) and is perpendicular to (-4,6) and (5,-3)
Answers
Answer:
-9 6 that is because the line has to be perpenducular to the other line
Step-by-step explanation:
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= -1.
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What is the value of x?
Enter your answer as a decimal in the box.
Answers
Answer:
[tex]x=6.25[/tex]
Step-by-step explanation:
FM=3.2x
JG=40
Generally the diagonal of a rectangle are equal to each other and diagonal bisects each other
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[tex]2FM=JG[/tex]
[tex]2*(3.2x)=40[/tex]
[tex]x=40/6.4[/tex]
[tex]x=6.25[/tex]
Answer:
x=6.25
Step-by-step explanation:
Tim's pay increased by 5% to £880
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What was his pay before the
increase?
Answers
Answer:
£838.10Step-by-step explanation:
Let the previous salary be x
Increase = 5%
New salary = £880
x + 5% = 880x*1.05 = 880x = 880/1.05x = £838.10 (rounded)Answer:
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let x be past payaccording to the question
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Step-by-step explanation:
8, 20, 50, ...
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Answers
Answer:
[tex]a_{10}=\frac{5^{10}}{2^7} -1[/tex]
Step-by-step explanation:
[tex]a_{n}=a_1 . r^{n}-1[/tex]
Here
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[tex]a_1 =8[/tex]
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[tex]a_{10}=\frac{5^{10}}{2^7} -1[/tex]
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Step-by-step explanation:
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David and his 2 children are going to the zoo.
The administration price is
Adult:£60
Children:£67
FAMILY DISCOUND CARD GIVES
1/5 off adults price
60% off child price
Work out the total price David pays after using his discount card.
Answers
Answer:
£92.40
Step-by-step explanation:
Discount price for David =1/5 of 60
= 1/5 × 60/1
= £12 (5 multiplied by 12 is 60)
Price for one child = £67
Price for 2 children= £67 × 2
= 134
Therefore discount price for the children,
134 × 60/100
= 134 × 6/10
= 134 × 3/5
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£80.40 + £12
= £92.40
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Step-by-step explanation: