Answer:
LCD=14 B. 6/7
Step-by-step explanation:
5/7 x 2
10/14
10/14 + 2/14=12/14
12/14 divided by 2=6/7
can someone hel me please
ASAP!!!!!!!!!!
A student took 5 test in a quarter 3. His average was a 88. Four of his test scores were 87, 94, 86, and 100. What was his last test score? ( statistics) ( please write down or type it out! ) ty
Answer:
The last test score should be 73
Step-by-step explanation:
[tex]88 = \frac{( 87 + 94 + 86 + 100 + X )}{5}[/tex]
Add all the values in the parentheses together to get:
[tex]88 = \frac{367 + X}{5}[/tex]
You want to remove the 5 next, so you multiply both sides by 5.
[tex]5 * 88 = \frac{367 + x}{5} *5[/tex]
[tex]88 * 5 = 440[/tex]
You should get:
[tex]440 = 367 + x[/tex]
The last step is to subtract both sides by 367:
[tex]440 - 367 = 73[/tex]
[tex]X = 73[/tex]
I hope this helps!
49. Sketch the graph of the polar equation.
r=3 \cos \theta
Answer:
1.5
Step-by-step explanation:
r=2Rcosθ
(x-1.5）² y²=2.25
The centre of the circle is (1.5 , 0) The radius is 1.5
the data table in the illustrate a liner function
x} 0, 2 ,4, 6
y} -5, -2, 1, 4
what is the slope of the liner function? Which graph represents the data
A). -2/3 (graph 1)
B). 3/2 (graph 2)
C). 2/3 (graph 3)
D). -3/2 (graph 4)
Answer:
Slope = 3/2
Step-by-step explanation:
To find the slope you do:
[tex]\frac{y2-y2}{x2-x1}[/tex]
Plug in any two points:
[tex]\frac{-5-(-2)}{0-2} = \frac{-3}{-2} =\frac{3}{2}[/tex]
Answer: the answer is b
Step-by-step explanation:
PLs help !!!!! Find the area of the triangle
Which fraction is represented on the number line?
Answer:
The answer is [tex]\frac{4}{8}[/tex] (see the attached picture)
Step-by-step explanation:
the distance between 0 & 1 is divided into 8 sections, meaning each section = [tex]\frac{(1-0)}{8} =\frac{1}{8}[/tex]
???????????????????????????????????????????????????????????????????????????????????
Answer:
607.75 cm3
Step-by-step explanation:
v = L*w*h
8.5 * 5.5 * 13 = 607.75
607.75 cm3
Answer:
V= 8.5(5.5)(13)
V = 607.75 cubic inches
Step-by-step explanation:
Volume of a right rectangular prism is V=lwh where l is length, w is width, and h is height.
Jenn's carpool ride has been late 4 days out of the past 20 days. What is the estimated probability, based on relative frequency, that her ride will be late tomorrow
Answer:
20% chance
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
PLEAAAAAAAAAAAASEEEEEEEEEEEEE HELP!!!!!!!!! | In your own words, describe when you should use area, and when you should use volume in calculating the amount of space an object occupies.
Consider the figure.
Find the area of the composite figure shown to the nearest half unit.
Answer:
Area = 13
Step-by-step explanation:
see image. There's a brick of 8 whole squares on the bottom. Then a layer of 3 whole squares on top of that. There's a 1/2 a square besides the 3. Then on top, there is half of a layer of 3 squares. Half of 3 is 1 1/2.
8 + 3 + 1/2 + 1 1/2
= 8 + 3 + 2
= 13
Janice drew 1 card from a standard deck of 52 cards. What fraction of the deck of cards is red.
A. 1/3
B. 1/2
C. 3/4
You have a stack of sticky notes in six different colors. There are 600 sticky notes in the stack(100 of each color). The height is 6 cm, and the width and length are both 7.62 cm. The six colors are stacked on top of each other with the height(so each colored stack is 1cm).
1. What is the volume of each section? Describe two methods to find the volume of one of the sections.
2. What is the height of one sticky note? Describe two methods to find the height of one sticky note.
---------------------------------------------------------------------------------------------------------------------
3. A stack of circular sticky notes has 400 sticky notes in total. The cylinder has a diameter of 3 in. and a height of 0.8 in. Find the surface area of one sticky note. Use 3.14 for pi. Show your steps.
Thank you so much for helping!!
Answer:
1. 58.0644
2. 0.01
3. 14.16
Step-by-step explanation:
1. V = l*w*h
v = 7.62*7.62*1
v = 58.0644
or
v = 7.62*7.62*6
v = 348.3864
v = 348.3864/6
v = 58.0644
2. 1cm/ 100 sticky notes = 0.01
6cm/ 600 sticky notes = 0.01
3. A=2πrh+2πr2
=2·π·1.5·2×0.002+2·π·1.52
=14.15602
The volume of each section will be 58.09364[tex]cm^3[/tex]. The height of one sticky note is 0.06 cm and the surface area of one sticky note is 0.02376 sq inch.
1)The volume of one sticky note can be calculated using the formula for the volume of a rectangular prism :[tex]V = l \times w \times h[/tex], where l is the length, w is the width, and h is the height.
Length (l) = 7.62 cm
Width (w) = 7.62 cm
Height (h) = 1 cm (for each colored stack)
Substituting the values into the formula:
V = [tex]7.62 cm \times 7.62 cm \times 1 cm[/tex]
V = 58.09364[tex]cm^3[/tex].
Since there are 100 sticky notes of each color, the volume of each section can be found by multiplying the volume of one sticky note by 100:
Volume of each section =[tex]58.09364 cm^3 \times 100[/tex]
Volume of each section = 5809.364 cm³
Method 2: Using the total volume of the stack and proportions
The total volume of the stack can be calculated by multiplying the area of the base (length × width) by the total height of the stack.
Given:
Length (l) = 7.62 cm
Width (w) = 7.62 cm
Height of stack = 6 cm
Volume of stack = l × w × height of stack
Volume of stack =[tex]7.62 cm \times 7.62 cm \times 6 cm[/tex]
Volume of stack = 349.52544[tex]cm^3[/tex] (rounded to five decimal places)
Since the stack contains 600 sticky notes in total and each section represents one-sixth of the stack, we can calculate the volume of each section by dividing the total volume by 6:
Volume of each section = Volume of stack divided by 6
Volume of each section =[tex]\dfrac{349.52544 }{6} cm^3[/tex]
Volume of each section = 58.25424 cm³ (rounded to five decimal places)
The height of one sticky note, we can divide the total height of the stack by the number of sticky notes of each color.
Method 1: Direct division
The height of one sticky note can be found by dividing the total height of the stack by the number of sticky notes in each colored section.
Height of stack = 6 cm
Number of sticky notes per color = 100
Height of one sticky note = [tex]\dfrac{Height of stack } {Number\ of \ sticky \ notes \ per \ color}[/tex]
Height of one sticky note =[tex]\dfrac{6}{100}cm[/tex]
Height of one sticky note = 0.06 cm
By Using proportions, method 2 can be solved
Since each colored section represents one-sixth of the stack, the height of one sticky note can be found by multiplying the height of the stack by [tex]\dfrac{1}{6}[/tex].
Height of stack = 6 cm
Height of one sticky note =[tex]Height of stack \times\dfrac{1}{6}[/tex]
Height of one sticky note =[tex]6\times \dfrac{1}{6}[/tex]
Height of one sticky note = 1 cm
To find the surface area of one sticky note in the circular stack, we need to calculate the surface area of the cylinder and then divide it by the number of sticky notes.
Total number of sticky notes = 400
Diameter of cylinder = 3 in
Height of cylinder = 0.8 in
[tex]\pi[/tex] = 3.14
Calculate the surface area of the cylinder using the formula for the lateral surface area of a cylinder:[tex]A = 2\pi rh[/tex], where r is the radius and h is the height.
Radius (r) = [tex]\dfrac{3}{2}[/tex] = 1.5 in
Lateral Surface Area (A) = [tex]2\pi rh[/tex]
A = [tex]2 \times 3.14 \times 1.5 \times 0.8[/tex] in
A = 9.504 sq inch (rounded to three decimal places)
Since there are 400 sticky notes, we can calculate the surface area of one sticky note by dividing the total surface area by 400:
Surface area of one sticky note = [tex]\dfrac{A}{Total\ number of \ sticky \ notes}[/tex]
Surface area of one sticky note = [tex]\dfrac{9.504 }{400}sq \ inch[/tex]
Surface area of one sticky note ≈ 0.02376 sq inch.
The volume of each section will be 58.09364[tex]cm^3[/tex]. The height of one sticky note is 0.06 cm and the surface area of one sticky note is 0.02376 sq inch.
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14. MULTIPLE CHOICE The number of students in the marching band increased from 100 to 125. What is the percent of increase? (Skills Review Handbook) (A) 20% (B) 25% (C) 80%
(D) 500%
The percentage of the increase will be 25% when the number of students in the marching band increased from 100 to 125.
What is the percentage?The Percentage is defined as representing any number with respect to the 100. It is denoted by the sign %.
It is given in the question that the number of students in the marching band increased from 100 to 125 so we need to find the percentage increase of the students.
The percentage increase of the students will be calculated as:-
% increase=[(125-100)÷(100)]x100
% increase=[(25)÷(100)]x100
% increase= [0.25x100]
% increase= 25%
Hence the percentage of the increase will be 25% when the number of students in the marching band increased from 100 to 125.
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PLS HELP ME
What is the interquartile range of the data? With the numbers 2,3,3,4,5,7,8,8,8,10,10, and 12
Answer:
5.5
Step-by-step explanation:
2,3,3,4,5,7,8,8,8,10,10,12
The mean of this data is 7.5. So what you are trying to figure out is the mean between 2 and 7. Since that is 3 and 4 it would be 3.5. So 3.5 is the Q1. Now you have to figure out the mean between 8 and 12. That is 9. This is Q3. You have to subtract 9-3.5 and that is the interquartile range. So 5.5 is the answer. I hope that made sense.
22. Suppose five cards are drawn from a deck. Find the probability of obtaining the indicated cards.
Five face cards
Write the equation for each translation of the graph of y=| 1/2x-2|+3
One unit to the left
one unit to the right
Answer:
Answer: for One Unit to the Left: |1/2 x -3/2|+3
Step-by-step explanation: When translating to the left, you are going to end up with f(x-(-1)) meaning x+1. Even though left means subtracting, in translation it’s adding. (I hope that made sense).
that would create the equation |1/2x(x+1)-2|+3
If you solve that, it would simplify to |1/2x-3/2| which is the answer
Step-by-step explanation:
I need the answer asap. Pls help
Answer:
-1/7
Step-by-step explanation:
-3/5(2/7)+4/35-3/10(2/7)
-3/5(2/7)+4/35-3/10(1/7)
-6/35+4/35-3/5(1/7)
-6/35+4/35-3/35
-1/7
29. MULTIPLE CHOICE What is the median of the data set? (Skills Review Handbook)
12, 25, 16, 9, 5, 22, 27, 20
(A) 7 (B) 16 (C) 17 (D) 18
Answer:
15.75
Step-by-step explanation:
first add
12+25+16+9+5+22+27+20=126
then divide by how ever many numbers there are in this case there's 8:
126÷8=15.75
PLEASE HALP IM TIMED!!! WILL GIVE 25 PTS
Vera claimed the solution set on the number line represents the inequality Negative 78.9999 greater-than-or-equal-to x.
A number line going from negative 83 to negative 77. A closed circle is at negative 79. Everything to the left of the circle is shaded.
Which error did Vera make?
Vera wrote the inequality with the variable on the left side of the relation symbol.
Vera wrote a relation symbol that does not represent the direction of the ray.
Vera selected an inequality that does not include –79 in its solution set.
Vera used the wrong number in her inequality.
So basically, we have [-83, -77] as the whole thing.
There's a circle that limits [-83, -79) as a shaded zone.
Vera claims that -78.9999 [tex]\geq[/tex] X, which is false.
Vera wrote a relation symbol that doesn't represent the ray's direction. She went the other way around.
i need some help on this! i need my grade to go up
The net of a rectangular prism and its dimensions are shown in the diagram.
What is the total surface area of the rectangular prism in square meters?
Answer:
642.96
Step-by-step explanation:
To find the surface area"
[tex]SA=2lw+2lh+2wh[/tex]
Insert measurements into the equation:
[tex]SA=2*17\frac{2}{5}*3+2*17\frac{2}{5}*13.2+2*3*13.2[/tex]
Now to go through the very tedious steps of actually solving the equation (we got this!)
[tex]2*17\frac{2}{5}*3= 104.4[/tex][tex]2*17\frac{2}{5}*13.2=459.36[/tex][tex]2*3*13.2=79.2[/tex]Next: Addition
[tex]104.4+459.36=563.76[/tex][tex]563.76+79.2=642.96[/tex]And we have our answer!
I hope this helps and please feel free to comment, give feedback, ask questions, and correct me if I am wrong!
Have a great day
:)
FIRST CORRECT ANSWER GETS BRAINLIEST
Answer:
121.2 cm^2
Step-by-step explanation:
Surface area:
6 x 5.5 x 2 = 6 x 11 = 66 cm^2
6 x 2.4 x 2 = 12 x 2.4 = 28.8 cm^2
5.5 x 2.4 x 2 = 11 x 2.4 = 26.4 cm^2
Total surface area = 66 + 28.8 + 26.4 = 94.8+ 26.4 = 121.2 cm^2
What is the volume of the rectangular prism below?
Answer:
10 multiply by 8 multiply by 14
= 1120 in³
Answer:
the answer choice is C
Step-by-step explanation:
your welcome
2. The radius of a circle is 9 yards. Find the diameter.
Answer:
18
Step-by-step explanation:
9 x 2 = 18
radius x 2 = diameter
( brainliest ) Answer A, and B.
A composite figure is shown, what is the volume of the composite figure?
please solve this. i need help
Answer:
23
Step-by-step explanation:
its going down lower minus by 6.
the x means the answer/number.
the answer is 23 of what i think
54 points and brainly hurry up please
What is the interquartile range of this data set?
{18, 17, 10, 25, 20, 20, 30, 18, 18, 30, 25}
Enter the answer in the box.
The interquartile range of the data set is 7.
Step-by-step explanation:
The given set of data is {18 , 17 , 10 , 25 , 20 , 20 , 30 , 18 , 18 , 30 , 25}
Arrange the data in ascending order:
10 , 17 , 18 , 18 , 18 , 20 , 20 , 25 , 25 , 30 , 30
Divide the data in two equal parts:
(10 , 17 , 18 , 18 , 18), 20 ,(20 , 25 , 25 , 30 , 30)
Divide each parenthesis in 2 equal parts:
(10 , 17), 18 ,(18 , 18), 20 ,(20 , 25), 25 ,(30 , 30)
Now we can say that,
Q₁ = 18 , Median = 20 , Q3 = 25
Interquartile rage of a data is :
I.Q.R. = Q3 - Q1
I.Q.R. = 25-18 = 7
Therefore the interquartile range of the data set is 7.
37. One half of the water is poured out of a full container. Then one third of the remainder is poured out. Continue the process: one fourth of the remainder for the third pouring, one fifth of the remainder for the fourth pouring, etc. After how many pourings does exactly one ninth of the origiNl water remain?
Hint: What fraction of the water remains after 1 pour? After 2 pours? After 3 pours?
After the first pour the water remains 1/2, after the second 1/3, after the third is 1/4, and after 9 pour the water remains 1/10.
What is a fraction?Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.
After the first pour container has = 1/2
After the second pour = 1/3
Third pour = 1/4
After n pour = 1/(n+1)
n = 9
= 1/10
Thus, after the first pour the water remains 1/2, after the second 1/3, after the third is 1/4, and after 9 pour the water remains 1/10.
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I GIVE BRIANLEST!!!!!!!!!!!!!!!!!!!!!!!!!!
Use the graph to find the relationship between the two variables. Select all that apply.
The variables are 2 and 7.
The variables are dollars and hours.
Hours is the independent variable and dollars is the dependent variable.
Dollars is the independent variable and hours is the dependent variable.
The relationship is x = 3.50y.
The relationship is y = 3.50x.
By using the graph, all of the true statements that apply include the following:
B. The variables are dollars and hours.
C. Hours is the independent variable and dollars is the dependent variable.
F. The relationship is y = 3.50x.
What is a proportional relationship?In Mathematics and Geometry, a proportional relationship is a type of relationship that produces equivalent ratios and it can be modeled or represented by the following mathematical equation:
y = kx
Where:
y represents the cost in dollars.x represents the number of hours.k is the constant of proportionality.Next, we would determine the constant of proportionality (k) by using the various data points from table D as follows:
Constant of proportionality, k = y/x
Constant of proportionality, k = 3.5/1 = 7/2 = 10.5/3
Constant of proportionality, k = 3.50
Therefore, the required linear function is given by;
y = kx
y = 3.50x
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Missing information:
On a coordinate plane, a line goes through points (1, 3.5), (2, 7), (3, 10.5). The x-axis is labeled hours and the y-axis is labeled dollars. Use the graph to find the relationship between the two variables. Select all that apply.
