A rondavel (hut / circular dwelling) has a square woven carpet covering the floor as shown in the diagram below. The circumference of the rondavel is 113,1 metres. Calculate the area of the floor which is not covered by the carpet.
1.00 mL
0.10 mL
0.05 mL
Base Added
0.00 mL Experimental Settings
Indicator:
Phenolphthalein [NaOH]=0.500M
Set [NaOH] and add base in incrementr using the buttons above. NaOH solution Retitrate
Show Sub/Sup Unknown acid solution 25.00 mL A beaker contains a 25 mL solution of an unknown monoprotic acid that reacts in a 1:1 stochiometric ratio with NaOH . Titrate the solution with NaOH to determine the concentration of the acid. Perform a titration by setting the concentration of the NaOH solution and adding it to the acid solution using the different Add Base buttons.
The equivalence point of the titration is passed when the solution color changes.
The unknown sample can be titrated multiple times by pressing the Retitrate button and starting over.
Enter the concentration of the unknown acid solution.
□M×
corresponding side length of quadina 2 A triangle will be dilated on the coordinate grid to create a larger triangle. The triangle is dilated using the origin as the center of dilation. Write a rule that could represent this dilation.
Write the correct answer in each box. Not all answers will be used.
0.25x□4x□x−1.5□□y+1.5 The triangle was dilated according to the rule
(x,y)→(□□ )
e2024
登
Use the figures to calculate the left and right Riemann sums for f on the given interval and the given value of n.
f(x)=x1+3 on [1,5];n=4 The left Riemann sum for f is 14.08 . (Round to two decimal places as needed.)
The right Riemann sum for f is (Round to two decimal places as needed.)
Find the probability that a randomly selected car from this sample had 2 doors or 4 doors. Extracted text from attached image:
\begin{align*}
\text{2 doors} \\
\text{Sunroof} \\
18 \\
13 \\
20 \\
0 \\
14 \\
25 \\
0 \\
10 \\
\text{4 doors}
\end{align*}
What is the slope of line d?
¿Cuál es la pendiente de la recta d?
-3 / 4 2
Fill in the Blank
1 point
What is the y - intercept of the graph in question 1?
¿Cuál es la intersección y de la gráfica de la pregunta 1? 3
Which of the following statements is true about the exponential function h given by h(x)=−3⋅42?
(A) h is always increasing, and the graph of h is always concave up
(B) h is always increasing, and the graph of h is always concave down.
(C) h is always decreasing, and the graph of his always concave up.
(D) h is always decreasing, and the graph of h is always concave down.
Momentum Sheet
1) A van A and car B moving in the same directions shown. Calculate the following:
a) The initial momentum of the VanA [2]
b) State the law of conservation of momentum.
acting upon each other, their total momentum remains
c) The final speed of car B, and state its direction. [4] unless an ext
d) The impulse of the Van [2]
e) The impulse of car B [2]
f) The force applied on the Van [1]
f=ma4000×8=32
g) The force applied on car B[1]
h) The acceleration of the Van [2]
i) The acceleration of car B[2]
j) How to reduce the colliding force of this accident? [2]
SULIT
4 Rajah 4 menunjukkan lokus bagi dua titik bergerak A dan B(x,y),PQ ialah diameter bagi bulatan yang berpusat S.
Diagram 4 shows the locus for two moving points A(x,y) and B(x,y).PQ is diameter of circle centered at S. Rajah 4
Diagram 4
Titik A bergerak dengan keadaan sentiasa sama jarak dari titik P(6,−1) dan Q(4,−9). Titik B(x,y) bergerak dengan keadaan segi tiga PBQ sentiasa bersudut tegak di B.
The point A moves such that it is always equidistant from the point P(6,−1) and Q(4,−9). The point B(x,y) moves such that the triangle PBQ is always having a right angle at B.
(a) Cari persamaan lokus bagi B, jika garis PB berserenjang dengan garis BQ. Find the equation of the locus of point B, if the line of PB is perpendicular to line of BG.
[2 markah]
[2 marks]
(b) Diberi lokus bagi titik A ialah x+4y+15=0. Cari koordinat titik R dan titik T iaitu titik- titik persilangan bagi kedua-dua lokus itu.
Given the locus of point A is x+4y+15=0. Find the coordinates of point R and point T which is the intersection points of both loci.
[4 markah]
[4 marks]
Pả en bergssida som lutar 20∘ mot horisontalplanet vill man anlăgga en ridväg. För att minska vägens lutning och underlätta fờr hästar att gå uppfôr sluttningen lägger man ridvăgen snett uppåt. Beräkna vinkeln x så att lutningen på ridvăgen AB blir 15∘. Se figur.
Considérons le triangle FGH illustré ci-dessous. Lequel des triangles décrits ci-dessous est nécessairement semblable au triangle FGH ?
A) Le triangle AJK, où m∠AJK=55∘,mKJ=6cm et mAK=8cm.
B) Le triangle BNP, où m∠BNP=55∘,mBN=4cm et mPN=3cm.
C) Le triangle CVT, où m∠CVT=55∘,mTV=65cm et mCV=85cm.
D) Le triangle DSQ, où m∠DSQ=55∘,mDQ=70cm et mDS=70cm.
Determine whether the dilation from Figure A to Figure B is a reduction or an enlargement. Then, find the valueg the variables.
25. 27. □
26.
28. 29. The screen on your old television is 20 inches wide and 15 inches high. The screen on your new widescreen television is 16 inches wide and 9 inches high. Is the screen on your new TV a dilation of the screen on your old TV? Explain. Olit Simen! Now Sereen
Problem 1:
Given A={1,3,5,7,8,9}hB={2,4,7,9}, and C={1,2,3,4,7}, solve the followi
A∪C={1,3,5,7,8,9,2,4}A∩B={7,9}A∩C={1,3,7}A∪B∪C={1,3,5,7,8,9,2,4}A∩B∩C={7}(A∪B)∩C={1,2,3,4,7}(B∩C)∪(A∩B)={2,4,7,9}A or B={1,3,5,7,8,9,2,4}B and A={7,9}
Consider the given statement.
If we do not sell lettuce at the market, then we do not sell oranges at the market.
For each statement below, determine whether it is equivalent to the given statement, the negation of the given statement, or neither of these.
\begin{tabular}{|l|c|c|c|}
\hline \multicolumn{1}{|c|}{ Statement } & Equivalent & Negation & Neither \\
\hline If we sell oranges at the market, then we sell lettuce at the market. & 0 & 0 & 0 \\
\hline If we sell lettuce at the market, then we sell oranges at the market. & 0 & 0 & 0 \\
\hline We do not sell oranges at the market and we sell lettuce at the market. & 0 & 0 & 0 \\
\hline We do not sell lettuce at the market and we sell oranges at the market. & 0 & 0 & 0 \\
\hline
\end{tabular}
3) Two ranger stations are on an east-west line 68 mi apart. A forest fire, F , is located on a bearing of N 590 E from the western station at B and a bearing of N290∘ from the eastern station at A .
(a) Correctly label the diagram below. (b) How far is he fire from the eastern station, A?
1
Considérons le triangle LMN illustré ci-dessous. Lequel des triangles suivants est nécessairement isométrique au triangle LMN? Préciser la condition minimale d'isométrie.
A)
k 19 cm
B)
C)
D)
For the right triangles below, find the exact values of the side lengths b and h.
If necessary, write your responses in simplified radical form.
b=□□h=□
For the right triangles below, find the exact values of the side lengths a and c.
If necessary, write your responses in simplified radical form.
a=□ □c=□
Score: 0/19
Answered: 0/19 Question 1 Given the triangle
, find the length of side x using the Law of Sines. Round your final
answer to 4 decimal places.
x= Note: If the video link below is not working, try this link here [ [+].
Check Answer
Directions Factor each trinomial. Identify the binomial factors from below and record the number with
the color. Color the picture according to your answers. Staple all work to this paper.
Trinomial A: 2x²+5x-42
Trinomial C: 4x²+5x+1
Trinomial B: 5x2 +14x-3
Trinomial D: 3x²-25x-18
Trinomial E: 3x²+16x+16
Trinomial F: 10x²-3x-4
Trinomial G: 2x²-5x+3
Trinomial H: 12x²-13x+3
Trinomial : 6x2-x-15
Trinomial J: 5x²-13x+6
Trinomial K: 2x²+9x+10
Trinomial L: 6x²+31x+5
If each square in the grid represents a square foot, then which statements are true? Choose allthatare correct
A. Each bookshelf has a perimeter less than 8 feet.
B. The perimeter of the s of a is more than 12 feet.
C. The perimeter of the entertainment center is less than 14 feet.
D. The perimeter of the chair is a bout 8.5 feet.
E. The perimeter of the area rug is about 20 feet.
Answer the questions below about the highlighted atom in this Lewis structure:
H−C≡C−H
\begin{tabular}{|l|l|}
\hline \begin{tabular}{l}
In how many sigma bonds does the highlighted atom \\
participate?
\end{tabular} & □ \\
\hline In how many pi bonds does the highlighted atom participate? & □ \\
\hline What is the orbital hybridization of the highlighted atom? & □ \\
\hline
\end{tabular}
Reference
1
2 A standing wave on a string is shown.
How many total nodes are present? How many total anti-nodes are present? How many wavelengths long is the standing wave?
Nuclear Chemistry - Nuclear Equations 1. Write a nuclear equation for the alpha decay of Protactinium - 232. 2. Write a nuclear equation for the beta decay of Radon - 168 . 3. Write a nuclear equation showing the fission of Nitrogen -15 into Lithium -6 and one other product. 4. Write a nuclear equation showing the fusion of Helium -4 and Lithium -7 resulting in one neutron and one other product. 5. Write a nuclear equation for the fission of Uranium - 238 that results in three neutrons, Krypton - 89 and on other product.
Lesson 3 - The Tangent Ratio Find a missing side: 1. Identify the hypotenuse.
C= Hypotenuse 2. Identify the given angle. 3. Label the opposite and adjacent sides of the triangle. 4. Write the tangent ratio. 5. Solve the tangent ratio.
tan44=x8(x)tan44=x8(x)
Finding the missing length in a figure Find the missing side length.
Assume that all intersecting sides meet at right angles.
Be sure to include the correct unit in your answer.
□
15 ft
?
Greatest Common Eactorand Least Common Multiple:GCF Gand LCMA Math with Mr. J Math with Mr. J
factors = numbers that can be multiplied to equal a given number or numbers a given number can be divided by evenly (no remainder)
1) 16 and 24
2) 15 and 35 16:1,2,4,8,16 What factors do they have in COMMON?
¿Qué factores tienen en COMÚN?
1,2,4,8
1,2,3,4,6,8,12,24
1,2,4
Youlube
24:1,2,3,4,6,8,12,24
MULTIPLE CHOICE QUESTION
ABC is a right isosceles triangle, and point mis the midponit of AC. What are the coordinates of the unlabeled points?
Drag and drop the correct choices into each box. 0
a
2a
2a Point C(r−−−−−r1−−−−−−
3. (3 points) SHOWING WORK, find the area and perimeter of the triangle below. Round answers to the nearest tenth and label with appropriate units. Area =
16. ARE THE TRIANGLES SIMILAR? IF SO, STATE HOW YOU KNOW.
* EGURE NOT DREWN TO SCALL.
□
Yes, SAS Theorem
Yes, SSS Theorem
Yes, AA Postulate
No, not similar
Consider a $500 bond that pays an interest rate of 1.5% with a maturity of one year. Suppose that the prevailing interest rate rises to 6%. Complete the equation fo calculate the curront bond price by placing the numbers in the correct position. Note that some numbers may be unplaced and some spaces unifilled.
curren bond price =(1+□)(1+□)
Let S be the universal set, where:
S={1,2,3,…,18,19,20} Let sets A and B be subsets of S, where:
Set A={3,4,5,6,9,15,16,17,18}
Set B={1,2,5,6,15,16,19}
Find the following:
LIST the elements in the set (A∩Bc) :
(A∩Bc)={
\}
□
Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE LIST the elements in the set (B∩Ac) :
(B∩Ac)={□
Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE You may want to draw a Venn Diagram to help answer this question.
The list shows the number of stories in the 11 tallest buildings in Springfield. Find the median and mode of the data.
403840373330202421211719 Median:
Mode:
The median of of values is th at the sorted versio
What is the floor area of the hallway shown in the figure? The outside and inside of the hallway are circular arcs. The area of the hallway is □m2
(Round to two decimal places as needed.)
What is the floor area of the hallway shown in the figure? The outside and inside of the hallway are circular arcs. The area of the hallway is □m2
(Round to two decimal places as needed.)
Draw a line from each pair of numbers in Column A to the least common multiple (LCM) of the numbers in Column B. Column A
Column B 4. 9, 6 36 5. 9,12 56
6.8,7
18
Questions 14 and 15 refer to the following. Four forces of equal magnitude are exerted on a square at the locations and in the directions indicated in the figure. Points A and B are labeled for reference.
15
Mark for Review Which of the forces, if any, exerts zero torque about Point B?
(A) F1
(B) F3
(C) Both F1 and F3
(D) None of the forces exert zero torque about Point B
Desenați: a) dreapta d, punctul A exterior, și punctele C, D pe d; b) dreapta d, punctul M pe d și colorați 2 semidrepte; c) 3 semidrepte cu originea O; d) un plan cu 2 semiplane, colorând unul.
Vẽ tia Ax, chọn B∈Ax với AB=8cm, và C sao cho AC=4cm. a) C có nằm giữa A và B không? Tại sao?
b) So sánh CA và CB.
c) C có phải là trung điểm của AB không? Tại sao?
Find the refractive index μ of a sphere with radius R and a cavity of radius R/2 focusing light at point P. Options: (a) μ=23+5, (b) μ=23−5, (c) μ=3+5, (d) μ=21+5.