The total cost of these pepperoni slices is $1.92
What is the total cost of these pepperoni slices?
Each slice measures 7/8 of an inch. Here we have N slices, such that the measure of the N slices is 56 inches, then we have:
N*(7/8 in) = 56 in
Now we can find the value of N, the number of slices used:
N = (8/7)*56 = 64
And each slice costs $0.03, then the cost of the 64 slices is:
C = $0.03*64 = $1.92
The total cost of these pepperoni slices is $1.92
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The volume of a rectangular pyramid is 220 units^3
3
. If the length of the rectangular base measures 6 units and the width of the rectangular base measures 10 units, find the height of the pyramid.
Answer:
h = 11 units
Step-by-step explanation:
Volume of a Rectangular Pyramid = lwh/3
220 = 6*10*h/3
(220) * (3) = ((6)*(10)*(h) / 3) * 3
660 = (6) (10) (h)
Simplify both sides of the equation.
660 = 60h
h = 11 units
5. Find the equation of the line in slope-intercept form.
a. (1,-6) and (-7, 2)
Step-by-step explanation:
y=1x-(-6)
y=-7x-2
follow and label y and x inside the equation
make sure you draw a graph to help you find the intercept form.
In a random population, out of 500 people, 160 had blue eyes. In a group of 2500 people, how many would have blue eyes?
======================================================
Work Shown:
(160 with blue eyes)/(500 total) = (x with blue eyes)/(2500 total)
160/500 = x/2500
x = 2500*(160/500)
x = 800
------------
Another approach:
160/500 = 0.32 = 32% of the first group has blue eyes
Assuming this percentage is the same for any group, then,
32% of 2500 = 0.32*2500 = 800 people of the second group are estimated to have blue eyes, of the 2500 total.
Jaime had ten posters, but only five could fit on his closet door. how many
different ways can he arrange the five posters out of the ten on his closet
door?
i accidentally chose a.
There are 30240 different ways can he arrange the five posters out of the ten on his closet door
How to determine the number of arrangements?The given parameters are:
Total, n = 10Posters to arrange, r = 5The number of ways is calculated as:
Ways =[tex]^nP_r[/tex]
This gives
Ways =[tex]^{10}P_5[/tex]
Apply the permutation formula
Ways = 30240
Hence, there are 30240 different ways can he arrange the five posters out of the ten on his closet door
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Evaluate:
[tex]\bf{\sum^{32}_{n=1}\:(2n+8)[/tex]
Please help A.S.A.P., thank you guys!
Please show work as well.
[tex]\bigstar[/tex]
Explanation:
[tex]\boxed{\sf \sum _{n=1}^{32}\left(2n+8\right)}[/tex]
Formula Required:
[tex]\sf sum \ of \ arithmetic \ series = \dfrac{n}{2} (2a \ + \ (n-1) \ d)[/tex]
Identify the following's:
First Term (a) = (2(1) + 8) = 10Common Difference (d) = 2nd term - first term = (2(2) + 8) - (2(1) + 8) = 2Total Terms (n) = 32Insert variables:
[tex]\rightarrow \ \sf S_{32} = \dfrac{32}{2} (2(10) + (32-1) 2) \quad \xrightarrow{\text{Simplify} } \quad 1312[/tex]
A population of aardvarks is growing at a rate of 2% per year. This year there are 714 aardvarks. How many aardvarks were there last year
A population of aardvarks is growing at a rate of 2% per year, there are 714 aardvarks this year and 700 aardvarks were there last year.
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Let y represent the amount of aardvarks after x years.
It can be represented by the equation:
y = a(1.02)ˣ
If this year there are 714 aardvarks, the amount in the last year is:
714 = a(1.02¹)
a = 700
A population of aardvarks is growing at a rate of 2% per year, there are 714 aardvarks this year and 700 aardvarks were there last year.
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Piece wise functions
Answer:
f(-5) = -6
f(-2.6) = 2.4
f(2.1) = 9.41
Step-by-step explanation:
In the question, we are told to find f(-5), f(-2.6), and f(2.1). The numbers in the parentheses represent x.
First, let's look at f(-5). Which equation should we use because x is -5? We should use the first equation because -5 is less than -3. Plug into the equation and solve:
f(-5) = -6 (We didn't have to do much because anything less than -3 equals -6)
Now, let's look at f(-2.6). We should use the equation in the middle because -2.6 is between -3 and 0. Plug -2.6 in the equation and solve:
f(-2.6) = -2.6 + 5
f(-2.6) = 2.4
Lastly, let's look at f(2.1). We should use the third equation because x is greater than 0. Plug 2.1 in the equation and solve:
f(2.1) = [tex](2.1)^{2} +5[/tex]
f(2.1) = 4.41 + 5
f(2.1) = 9.41
Therefore, the final answers are:
f(-5) = -6
f(-2.6) = 2.4
f(2.1) = 9.41
Hope this helps!! If you have questions about my work, please let me know in the comments!
Rewrite \sqrt((1+cos45)/(2)) using a half-angle identity
[tex]\stackrel{\textit{Half-Angle Identities}}{cos\left(\cfrac{\theta}{2}\right)=\pm \sqrt{\cfrac{1+cos(\theta)}{2}}} \\\\[-0.35em] ~\dotfill\\\\ \sqrt{\cfrac{1+cos(45^o)}{2}}~~ = ~~cos\left( \cfrac{45^o}{2} \right)\implies \sqrt{\cfrac{1+cos(45^o)}{2}}~~ = ~~cos(22.5^o)[/tex]
esi ran around a rectangular swimming pool 31 times if the distance around the pool is 800m. find the total distance covered by esi km and m
Answer:
24,800m or 24.8km or 24km 800m
Step-by-step explanation:
Perimeter of Rectangle (Given) = 800m or (800/1000)km = 0.8km
Total Distance covered by esi = Perimeter of Rectangle x Number of round ran
= 800m or 0.8km x 31
= 24,800m or 24.8km or 24km 800m
Not sure how you want the answer in so I came up with all possible answers.
Answer:
24.8km
24800m
Step-by-step explanation:
800 x 31 = 24800
24800m
to convert 24800m into km, we divide 24800 by 1000
24800/1000 = 24.8
24.8 km
hope this helps:)
Kevin bought 6lbs of jelly beans. Antonio bought 66oz of jelly beans.
How many more did Kevin buy than Antonio?
Answer:
30 ounces (1 pound 14 ounces)
Please give brainliest!
Hope this helps:)
To find this, we first need to convert 6 lbs into ounces
lb = 16 ounce
6 lbs = 96 ounces!
96-66 = 30
Kevin bought 30 more ounces, or 1 pound and 14 ounces more jelly beans than antonio.
Look at the picture pls don't answer in pictures
A, B & C lie on a straight line.
D, C & E lie on a different straight line.
Angle y= 107° and angle z = 56°.
Work out x
Answer:
x = 129°
Step-by-step explanation:
∠ ABD and ∠ DBC are a linear pair and sum to 180° , then
y + ∠ DBC = 180°
107° + ∠ DBC = 180° ( subtract 107° from both sides )
∠ DBC = 73°
the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles , then
x = ∠ DBC + z = 73° + 56° = 129°
Solve for x: 1 over 3 (2x − 8) = 4. (1 point)
Group of answer choices
2
6
10
10 over 3
Answer:
x=6
Step-by-step explanation:
[tex]2x - 8 = 4 \\ 2x = 4 + 8 \\ 2x = 12 \\ x = \frac{12}{2} \\ x = 6[/tex]
Help please!
preform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use size for measurements of very large or very small quantities (e.g use kilometers per year for sea floor apeading.) intercept scientific notation that has been generated by technology
Scientific Notation is EASY.
Just move the decimal to the right if it is positive:
6.2 x 10¹ = 62
6.2 x 10² = 620
6.2 x 10³ = 6,200
6.2 x 10⁴ = 62,000
6.2 x 10⁵ = 620,000
6.2 x 10⁶ = 6,200,000
Move the decimal to the left if it is negative:
6.2 x 10⁻¹ .62
6.2 x 10⁻² = .062
6.2 x 10⁻³ = .0062
6.2 x 10⁻⁴ = .00062
6.2 x 10⁻⁵ = .000062
6.2 x 10⁻⁶ = .0000062
What about about 6.2 x 10⁰?
6.2 It wouldn't change location.
I hope this helps!
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match each radical expression to the corresponding expression in rational exponent form.
The radical expressions and their corresponding expression in rational exponent form are
[tex]972^\frac 15 = 3\sqrt[5]{4}[/tex], [tex]448^\frac 13 = 4\sqrt[3]{7}[/tex], [tex]3528^\frac 12 = 42 \sqrt 2[/tex] and [tex]4050^\frac 14 = 3\sqrt[4]{50}[/tex]
How to match the tiles?We start by evaluating each expression as follows:
[tex]972^\frac 15[/tex]
Expand 972
[tex]972^\frac 15 = (243 * 3)^\frac 15[/tex]
Take the 5th root of 243
[tex]972^\frac 15 = 3* (4)^\frac 15[/tex]
Rewrite as:
[tex]972^\frac 15 = 3\sqrt[5]{4}[/tex]
Next, we have:
[tex]448^\frac 13[/tex]
Expand 448
[tex]448^\frac 13 = (64 * 7)^\frac 13[/tex]
Take the 3rd root of 64
[tex]448^\frac 13 = 4 * (7)^\frac 13[/tex]
Rewrite as:
[tex]448^\frac 13 = 4\sqrt[3]{7}[/tex]
Next, we have:
[tex]3528^\frac 12[/tex]
Expand 3528
[tex]3528^\frac 12 = (1764 * 2)^\frac 12[/tex]
Take the square root of 1764
[tex]3528^\frac 12 = 42 * (2)^\frac 12[/tex]
Rewrite as:
[tex]3528^\frac 12 = 42 \sqrt 2[/tex]
Lastly, we have:
[tex]4050^\frac 14[/tex]
Expand 4050
[tex]4050^\frac 14 = (81 * 50)^\frac 14[/tex]
Take the 4th root of 81
[tex]4050^\frac 14 = 3 (50)^\frac 14[/tex]
Rewrite as:
[tex]4050^\frac 14 = 3\sqrt[4]{50}[/tex]
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tion of the process. You owe $1,568.00 on a credit card with a limit of $2,200.00 at an interest rate of 11.3% APR. You pay $300.00/month until it is paid off. How many months does it take you to pay it off and how much is the total interest you paid? Rocura
Answer:
Select four types of data demographers study to make predictions.
birth rate
death rate
employment
income
marriage
migration
kgf chapter 2
VOLINCE VOLINCE VOLINCE
pushpa RajMichael plans to watch 3 movies each month. Write an equation to represent the total number of movies n that he will watch in m months.
n = 3m. Think of it this way: every month, this guy is watching 3 movies. So in 1 month, he's watched 3. In 2 months, he's watched 6. So the total number of movies that he's watched in months is 3 * however many months, which the problem is saying noting as 'm'
The following scatter plot represents the height of a basketball in seconds during a free throw shot.
If a line has a slope of 4 and contains the point (-2, 5), what is its equation in
point-slope form?
O A +5=4(x-2)
OB. J-5= 4(x-2)
C. + 2 = 4(x-5)
O D.y-5=4(x+2)
Answer:
y - 5 = 4(x + 2)
Step-by-step explanation:
Given:
Slope = 4Point = (-2,5)The point-slope form is in the form of [tex]\displaystyle \large{y-y_1=m(x-x_1)}[/tex]. Determine the followings:
m = slope = 4(x1,y1) = point = (-2,5)Therefore, input these in the formula.
[tex]\displaystyle \large{y-5=4[x-(-2)]}\\\\\displaystyle \large{y-5=4(x+2)}[/tex]
Therefore, the answer to this question is y - 5 = 4(x + 2)
Please let me know if you have any questions regarding my answer or explanation!
2 ^ x = 3 ^ (x + 1) solve for x
Answer:
-2.71
Step-by-step explanation:
This exponential equation can be solved by rewriting it so there is only one base, then using logarithms.
__
solve for x2^x = 3^(x+1) . . . . . given
2^x = 3·3^x . . . . . . eliminate the constant in the exponent
(2/3)^x = 3 . . . . . . . divide by 3^x
x·log(2/3) = log(3) . . . . take logarithms
x = log(3)/log(2/3) ≈ -2.7095113
The value of x is about -2.71.
__
Alternate solution
Taking logarithms transforms this exponential equation to a linear equation.
x·log(2) = (x +1)·log(3) . . . . take logs
x(log(2) -log(3)) = log(3) . . . . . . subtract x·log(3)
x = log(3)/(log(2) -log(3)) = log(3)/log(2/3) . . . . . same result as above
_____
Additional comment
In the attached, we have used a graphing calculator to find the x-intercept of the function f(x) = 0, where f(x) = 2^x -3^(x+1). This is the solution to the given equation.
The applicable rules of logarithms are ...
log(a^b) = b·log(a)
log(a/b) = log(a) -log(b)
What percent of the first 20 natural numbers are one-diget numbers
Answer:
9/20 or forty five percent (45%)
I WILL GIVE BRAINLIEST look at the right angled triangle abc
the square fits exactly inside the triangle
work out the sizes of angles x y and z
Answer:
(a) y = 25°
(b) x = 90°
(c) z = 25°
Step by step explanation:
Part A
z + 90° + 65° = 180°
z = 180° - 65° - 90°
z = 25°
Part B
x + 90° = 180°
x = 90°
Part C
x + 65° + y = 180°
90° + 65° + y = 180°
y = 25°
Additional:A straight line has total 180° angle. A square has 4 sides of each 90° angle. A triangle is build up of 180° interior angle.
Daisy is making an abstract painting with two triangles. The dimensions of the painting are shown below:
Two triangles share the same height of 10 inches. One triangle has a base of 8 inches, and the other is 12 inches.
The total area of the two triangles is _____ square inches.
Answer:
The total area of the two triangles is 100 square inches.
Step-by-step explanation:
Solution:
Area of one triangle:
Height = 10 inches
Base = 8 inches
Area of triangle =
= 40 square inches
Area of another triangle:
Height = 10 inches
Base = 12 inches
Area of triangle =
= 60 square inches
Total area of the two triangles = 40 square inches + 60 square inches
= 100 square inches
The total area of the two triangles is 100 square inches.
hope that helped:)
Write/Indicate the corresponding measures of 300- 600-900 right triangle.
What is the volume of a cylinder of radius 3.5m and height 12m ?
Answer:
462
Step-by-step explanation:
Base=π × r²
=> π × 3.5²
=>38.48
Volume:
Base times height
=>38.48 x 12
=>461.81
Answer:
426m²Step-by-step explanation:
Given ;
radius = 3.5m , hieght = 12mVolume of cylinder = π2²h
22/7 × ( 3.5 )² × 1222/7 × ( 7/2 )² × 12 22/7 × 7/2 × 7/2 × 12462m²Volume of the cylinder is 426m².
Which of the following best describes ZAOR?
R
142⁰
A
A major arc is an arc that is greater than 180 degrees.
A minor arc is an arc less than 180 degrees.
An acute angle is an angle less than 90 degrees.
What is the central angle?
A central angle is an angle created in the center of a circle with 2 sides being the radius.
Thus, we can see in the figure that we are talking about the angle so we can eliminate the major arc and minor arc.
Now, we clearly see that the angle is greater than 90 degrees so it cannot be an acute angle.
The correct answer is the central angle as it goes with the definition.
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What is the approximate distance between points A and B?
A
-4-3-2
06.32
06.95
07.62
08.56
B
432
052 37
-1
-4
12345
Answer: 7.62
Step-by-step explanation:
[tex]AB=\sqrt{(-2-1)^{2}+(-3-4)^{2}}=\sqrt{9+49}=\sqrt{58} \approx 7.62[/tex]
Which of the following exponential regression equations best fits the data shown below?
X -4 -3 -2 -1 0 1 2 3 4
y 1.07 1.98 2.93 3 9 10 16 25 36
A. y 3.02 3.67*
B. y 6.61 1.55*
C. y 2.27 2.09*
D. y = 8.04.0.98*
The exponential regression equation that fits the data is D. y = 8.04.0.98ˣ.
How to depict the equation?The quickest way is probably to do direct substitution. First, let's try f(0). The values of y predicted by the four equations are, respectively, 3.14, 5.32, 10.84, and 8.46.
From here, it looks like C and D are the closest to the observed data. Let's try f(4) on C and D.
10.84(1.77)⁴ = 10.84 × 9.815 = 106.4
8.46(3.51)⁴ = 8.46 × 151.4 = 1284
Therefore, the exponential regression equation that fits the data is y = 8.04.0.98ˣ.
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This box plot shows information about the marks scored in a test.
Nobody gained exactly 30, 48 or 70 marks.
120 students gained less than 70 marks.
How many students gained more than 48 marks?
Bart had 36 marbles. he gives all of his marbles to four friends. he gives each friend the same number of marbles. how many marbles does each friend have?
Answer:
9
Step-by-step explanation:
He had 36 Marbles and he gives all to his four friends. And all friends get the same number of marbles so we will have to do division which will be :
36{marbles} divide by 4{friends}=9 so each friend got 9 marbles.
Each friend will have 9 marbles
What is division?
Division is a method of distributing a group of things into equal parts. It is one of the four basic operations of arithmetic, which gives a fair result of sharing.
The division is an operation inverse of multiplication. If 3 groups of 4 make 12 in multiplication; 12 divided into 3 equal groups give 4 in each group in division.
Given that:
[tex]4x=36[/tex]
[tex]36[/tex] ÷ [tex]4[/tex] [tex]=9[/tex]
Therefore, each friend will have 9 marbles
KEYWORDS:
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