Answers
Answer:
Step-by-step explanation:
area of front face=(12+8)/2 ×8=80 cm²
volume=80×22=1760 cm³
Related Questions
Create an equation with one solution of x = −7.
10x − (x − 2) = 2x − (_+ x)
Full question is on attached image. All help is appreciated :)
Answers
Answer:
10x − (x − 2) = 2x − (40 + x).
The missing number is 40.
Step-by-step explanation:
Let the missing number be a, Then:
10x - (x - 2) = 2x - (a + x)
10x - x + 2 = 2x - a + x
9x - 2x - x = -a - 2
6x = -a - 2
When x = -7:
6(-7) = - a - 2
-42 + 2 = -a
-40 = -a
a = 40.
So the equation is
10x − (x − 2) = 2x − (40 + x).
You and a friend are playing a game of tossing two coins. If both heads or both are tails, you win. Otherwise, your friend wins. The table shows the possible outcomes. Is this a fair game?
Answers
Answer:
yes
Step-by-step explanation:
All possible outcomes when flipping two coins are HH, HT, TH, and TT, where H is heads and T is tails. Of these 4 outcomes, 2 make you win and 2 make your friend win. Because you and your friend are equally likely to win the game, it is a far game. Hope this helps!
Answer:
yes it is a fair game
Step-by-step explanation:
..........,,,...............
Pablo makes a spinner to model the probability of simultaneously flipping a "heads" on a nickel, a "heads" on a dime, and a "heads" on a quarter. He divides his spinner wheel into sections for each possible combination of coin flips, and he colors green the section representing simultaneously flipping three "heads." If he decides to spin the arrow on the spinner 24 times, how many times can he predict the arrow will land on the green section?
times
Answers
Using proportions, it is found that he predicts that the arrow will land on the green section 24 times.
What is a proportion?A proportion is a fraction of a total amount.
Considering that each trial has a 1/2 probability of resulting in heads, the fraction correponding to the probability of simultaneously flipping three "heads" is given by:
[tex]p = \left(\frac{1}{2}\right)^3 = \frac{1}{8}[/tex]
Considering that he does this 24 times, we apply the proportion, hence:
[tex]\frac{1}{8} \times 24 = 3[/tex].
He predicts that the arrow will land on the green section 24 times.
More can be learned about proportions at https://brainly.com/question/24372153
$3,000 is invested in an account that earns 3% annually interest, compounded monthly.
What is the value of the account after 10 years ?
Answers
Given the principal and annual interest rate, the total amount accrued after 10 years is approximately $4,048.06.
What is the amount of money accrued after 10 years?
The compound interest formula is expressed mathematically as;
A = P(1 + r/n)^(n*t)
Where A is amount accrued, P is principal, r is interest rate, n is number of times interest applied per time period and t is time.
Given the data in the question;
Principal P = $3,000Annual interest rate r = 3% = 3/100 = 0.03Compounded monthly n = 12Time t = 10 yearsPlug the given values into the formula above and solve for A.
A = P(1 + r/n)^(n*t)
A = 3000(1 + 0.03/12)^(12 × 10)
A = 3000(1 + 0.0025 )¹²⁰
A = 3000(1.0025 )¹²⁰
A = 3000( 1.34935354 )
A = $4,048.06
Given the principal and annual interest rate, the total amount accrued after 10 years is approximately $4,048.06.
Learn more about compound interest here: brainly.com/question/27128740
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Lee Ann earned $102.00 working for 8 hours at her job as a secretary at her second job in the mall, she earned $40.50 working for 180 minutes. At which job did lee Ann earn the most per hour? Show your work
Answers
Answer:
top lines of explanation
Step-by-step explanation:
at the secretary job she made 12.75 an hour
second job she made 13.50 an hour
180 minutes is 3 hours divide 40.50 by 3 and get 13.50
102.00 divided by 8 is 12.75
Step-by-step explanation:
8 hours = 102.00
1 hour = 102 ÷ 8 = 12.75
180 min = 3hr
3hr = 40.50
1hr = 40.50 ÷ 3 = 13.5
2nd job
Plz help me out, I only have a minute to submit this..
Pilar built a tower by stacking identical layers on top of each other. If her tower used a total of 312 blocks and if the bottom layer has 13 blocks, how tall is her tower? Explain how you know.
Answers
Answer:
The height of the tower = 24 units.
Explanation:
In the question above, we are given the following variables.
The total number of blocks used = 312 blocks
The bottom layer( base of the tower) = 13 blocks
We are to find how tall the tower is = height of the tower = unknown.
The total number of blocks used = Volume of the tower = 312 cubic units(blocks)
Area of the base = number of the blocks used in the bottoms layer = 13 square units( block).
Because blocks are used, we assume that this is a Rectangular based prism
The Volume of a Rectangular based prism = Area of the base × h
312 = 13 × h
h = 312 cubic units ÷ 13 square units.
h = 24 units.
There fore, the height of the tower = 24 units
Use mental math to calculate the following.
Answers
e). 60
f). [tex]\frac{4}{9}[/tex]
A fair number cube is rolled four times. What is the probability of getting a 6 all four times.
Answers
Answer:
1/4
Hope its correct, if so. pls mrk as brainliest
A sphere has a radius of 5 inches. What is its volume? Sphere V = 4 3 πr3 1. Substitute the radius into the formula: V = 4 3 π(53) 2. Evaluate the power: V = 4 3 π(125) 3. Simplify: V = in.3
Answers
Answer:
The volume of sphere is 524 in³ .
Step-by-step explanation:
By substituing the radius into the formula :
[tex]v = \frac{4}{3} \times \pi \times {r}^{3} [/tex]
Let r = 5,
[tex]v = \frac{4}{3} \times \pi \times {5}^{3} [/tex]
[tex]v = \frac{4}{3} \times \pi \times 125[/tex]
[tex]v = \frac{500}{3} \pi[/tex]
[tex]v = 524 \: {inches}^{3} (3s.f)[/tex]
Answer:
The first person who answered this is wrong. It's 500/3 in.3
Step-by-step explanation
Did it on Edge.
simplifye this expression 54n + 78 divided by 6 =
Answers
Answer:
9n + 13
Step-by-step explanation:
(54n + 78)/6
Divide 6 from all terms within the parenthesis:
(54n)/6 = 9n
(78)/6 = 13
9n + 13 is your answer.
~
Answer: 54n+13
Simplify
78÷6=13
54n+78/6=54n+13
the midpoint of chord AB is ( , ), and the slope of chord AB is BLANK
Answers
Answer:
midpoint of chord ab is (-2, 12) slope of chord ab is 1/2
Step-by-step explanation:
A rectangle has a height of 3 and a width of 2x2 + 3x – 5.
Answers
Answer:
Area = 6x^2 + 9x - 15.
Step-by-step explanation:
Its area = height * width
= 3 * (2x2 + 3x – 5)
= 6x^2 + 9x - 15.
Two numbers have a sum of 32 and a difference of 6. Find two numbers.
Answers
Hope this was helpful :)
How many real roots does the following equation have?
x4 -81 = 0
Answers
Answer:
Find roots of x4−81=0 by solving for x. x=3,−3
Step-by-step explanation:
The given equation [tex]x^4[/tex] - 81 = 0 has a total of two real roots x = 3 and
x = -3.
We have,
The given equation [tex]x^4[/tex] - 81 = 0 can be factored as a difference of squares:
[tex](x^2)^2 - 9^2 = 0\\(x^2 - 9)(x^2 + 9) = 0[/tex]
Further simplifying:
(x - 3)(x + 3)(x² + 9) = 0
From this factorization, the equation has two linear factors (x - 3) and
(x + 3) and one quadratic factor (x² + 9).
The linear factors, (x - 3) and (x + 3), will each provide one real root since they are linear equations.
x = 3 and x = -3.
The quadratic factor (x² + 9) has no real roots.
This is because the discriminant (b² - 4ac) of the quadratic equation is negative (a = 1, b = 0, c = 9), indicating that there are no real solutions.
Therefore,
The given equation [tex]x^4[/tex] - 81 = 0 has a total of two real roots,
x = 3 and x = -3.
Learn more about equations here:
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find the volume of the fish tank if the base is a regular octagon with side length 0.9 units and the height of the prism is 2 units
Answers
Answer:
9.2
Step-by-step explanation:
During a basketball game, chiyann made 15 baskets. She made three more baskets then twice number of baskets made by whitney. How many baskets did whitney make
Answers
Answer:
Whitney made 6 baskets
Step-by-step explanation:
Let the number of baskets made by Whitney be x.
The 15 baskets made by
Chiyann is equal to 2 times plus 3 what Whitney made
Mathematically what she made would be 2x + 3
To get x, we equate this equation to 15
2x + 3 = 15
2x = 12
x = 12/2
x = 6 baskets
Stanley surveyed his classmates to make a prediction about kids his age.
Hours
0
0.5
1.5
2
2.5
Number of Students
1
2
5
7
2
1
Use Step 1 of the GAISE model. Which could be a question Stanley asked?
A How long have you lived in this town?
B How long have you attended this school?
C How long do you spend on homework each day?
D How long have you spent learning a musical instrument?
Answers
Answer:
Step-by-step explanation:stanley chuppa mi colla
Please help!!
Only find total surface area and volume.
Answers
Answer:
see explanation
Step-by-step explanation:
The triangular prism has 3 rectangular faces and 2 congruent triangular faces.
rectangular base CDEF = 8 × 2 = 16 cm²
rectangular side ABFE = 6 × 2 = 12 cm²
sloping rectangle ABCD = 10 × 2 = 20 cm²
2 triangular faces = 2 × [tex]\frac{1}{2}[/tex] × 8 × 6 = 48 cm²
Total surface area = 16 + 12 + 20 + 48 = 96 cm²
----------------------------------------------------------------------
The volume (V) of the prism is calculated as
V = Bh ( B is the area of triangular face and h the depth of the prism )
B = [tex]\frac{1}{2}[/tex] × 8 × 6 = 24 cm² and h = 2 cm
V = 24 × 2 = 48 cm³
10 cm
8 cm
6 cm
What is the value of tan xº?
what is the value of tan x
Answers
This question is incomplete because it lacks the appropriate diagram.
Please find attached to this answer , the appropriate diagram
Answer:
First option tan x° = 8 ÷6
Step-by-step explanation:
When we solve for angles in a right angled triangle or we are trying to find one if the sides of a right angled triangle, we used trigonometric functions to find our answers. These trigonometric functions include Sine (sin) , Cosine (cos) and Tangent (tan)
Tangent also called short form tan is used when solving problems involving a right angled triangle.
A right angled triangle has 3 sides, the Hypotenuse, the opposite side and the adjacent side.
When we are asked to find the tangent of an angle,
tan = Opposite side / Adjacent side
In the question above, we are asked to find tan x° where x is the angle.
The opposite side = 8cm
The adjacent side = 6cm
Therefore, tan x° = 8cm/6cm = 8cm ÷ 6cm
Hi, can you pls find the area of this shape? please find it fasttttt
Answers
Answer:
20
Step-by-step explanation:
Area = ((7+3) x 4) ÷ 2 = 20
When a child was born, her grandfather decides to put $500 in an account that earns interest. He plans to make no other deposits or withdrawals for 18 years. When the child turns 18 years old, the money in the account will be a birthday gift. The grandfather is choosing between two options: Option A: An account that grows by 10.5% each year. Option B: An account that grows by $20 each year. Which option will result in a better 18th birthday gift? Explain your reasoning.
Answers
Answer:Answer B
Step-by-step explanation:
You get more money that way.
Is the relation shown in the arrow diagram a function? Explain.
A No, each input has one output, so the diagram does not represent a function.
B Yes, the input 2 has two outputs, so the arrow diagram represents a function.
C Yes, the inputs 1, 5, and 11 have one output, so the arrow diagram represents a function.
D No, the input 2 has two outputs, so the arrow diagram does not represent a function.
Answers
Answer:
D
Step-by-step explanation:
Each input can not have 2 outputs or else it’s not a function. 2 maps to 21 and 42. It MPs to two outputs. It’s not a function
Answer this easy question.
Answers
Answer:
your camera is too close, i don't understand
Step-by-step explanation:
Answer:
What is the question?
what is -0.8- (-1.6)?
Answers
Answer:
0.8
Step-by-step explanation:
Solution:
0.8
Step by step explanation:
1) (0- 8/10) - (0-8/5)
2) Simplfy. 4/5
3) (0-4/5) - (-8/5)
4) (-4) - (-8)/5 = 4/5
Final result: 4/5= 0.8000
Find the median the first and third quartiles the interquartile range and my outliers for set of data 81,69,90,79,59,125,95,116,183,97,92,50,122,55,92
Answers
Answer:
Step-by-step explanation:
Find the median of the first and third quartiles
81, 69 ,90, 79, 59, 125, 95, 116, 183, 97, 92, 50, 122, 55, 92
50, 55, 59, 69, 79, 81, 90, 92, 92, 95, 97, 116, 122, 125, 183.
The first quartile: 50, 55, 59, 69, 79, 81, 90: median of the first quartile is 69
The third quartile: 92, 95, 97, 116, 122, 125, 183: median of the third quartile is 116.
The interquartile range is the difference between the median of both the first and third quartile: which is 116 - 69 = 47.
There are no outliers in this set of data
f(x) = 2x^2 – 5x; find f(3)
Answers
Answer:
f(3) = 3
Step-by-step explanation:
f(x) = 2x^2 – 5x
Let x = 3
f(3) = 2(3)^2 - 5(3)
= 2*9 -15
= 18-15
=3
Answer:
f(3)=3
Step-by-step explanation:
This question asks us to find f(3). We want to find what f(x), or y is, when x is equal to 3.
f(x)=2x^2-5x
Substitute 3 in for x.
f(3)=2(3)^2-5(3)
Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
Evaluate the exponent first. 3^2 is the same as 3*3, which is equal to 9.
f(3)=2(9)-5(3)
Multiply 2 and 9
f(3)=18-5(3)
Multiply 5 and 3
f(3)=18-15
Subtract 15 from 18
f(3)=3
Find the diameter of a circle with an area of 256π square meters.
Answers
Answer:
d = 32 m
General Formulas and Concepts:
Symbols
π (pi) ≈ 3.14Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityGeometry
Area of a Circle Formula: A = πr²
r is radiusRadius Formula: [tex]\displaystyle r = \frac{d}{2}[/tex]
d is diameterStep-by-step explanation:
Step 1: Define
Identify variables
A = 256π m²
Step 2: Derive
Rewrite formula
[Area of a Circle Formula] Substitute in r [Radius Formula]: [tex]\displaystyle A = \pi(\frac{d}{2})^2[/tex]Evaluate exponents: [tex]\displaystyle A = \pi(\frac{d^2}{4})[/tex]Multiply: [tex]\displaystyle A = \frac{\pi d^2}{4}[/tex]Step 3: Solve for d
Substitute in A [Modified Area of a Circle Formula]: [tex]\displaystyle 256 \pi \ m^2 = \frac{\pi d^2}{4}[/tex][Multiplication Property of Equality] Multiply 4 on both sides: [tex]\displaystyle 1024 \pi \ m^2 = \pi d^2[/tex][Division Property of Equality] Divide π on both sides: [tex]\displaystyle 1024 \ m^2 = d^2[/tex][Equality Property] Square root both sides: [tex]\displaystyle 32 \ m = d[/tex]Rewrite: [tex]\displaystyle d = 32 \ m[/tex]Question 11 - (3 marks available )
I think of a number, double it, and add eleven. I get twenty five.
a) Using the statement above, form an equation.
Use the letter 'X' for the unknown number.
b) Solve the equation.
Answers
Answer:
the answer is 7
Step-by-step explanation:
7 plus 7 add 11 equals twenty five
All of the following have the same solution except _____.
50 = 5m
b + 2 = 8
x - 6 = 4
= 2
Answers
Answer:
Your answer is b+2=8. Good day.
Step-by-step explanation:
Answer:
I believe b+2=8
Step-by-step explanation:
m=10
b=6
x=10
What digit is in the ten thousand place 7,612,045
Answers
Answer:
the digit in the ten thousandths place is 1
Step-by-step explanation:
Answer:
1 is the digit that is in the ten thousandth place
Step-by-step explanation:
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