Questions Asked on
January 22, 2020

Math
Esme plans to flip a fair coin 3 times and record the results of each flip. What is the probability that the coin lands with the heads side up on all 3 flips? Enter your answer as a reduced fraction, using the / symbol, like this: 42/53 I believe the
asked by Trent 
Physics
A sprinter, running a 100meter race, can accelerate with a constant acceleration for 3.50 s before reaching his top speed. He can then can maintain that speed for the rest of the race. He runs the 100 meters in 10.0 s.
asked by Dale 
Calculus
A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the position of
asked by Anonymous 
chemistry
How many mol of PCl5 are in 0.17 g of PCl5? 2.56 × 10–3 mol of PCl5 3.81 × 100 mol of PCl5 3.54 × 101 mol of PCl5 8.16 × 10–4 mol of PCl5 the second one?
asked by bella 
calculus
Let f be a differentiable function such that f(4)=7 and f′(4)=15. The graph of f is concave up on the interval (3,5). Which of the following is true about the approximation for f(3.5) found using the line tangent to the graph of f at x=4 ?
asked by toan 
chemistry
Pure water and sodium chloride crystals are both poor conductors of electricity by themselves. However, if sodium chloride crystals are dissolved in pure water, the solution becomes a good conductor of electricity. How does this phenomenon demonstrate the
asked by bella 
chemistry
Carbon dioxide (CO2) reacts with water (H2O) to form carbonic acid (H2CO3). Which equation demonstrates the law of conservation of matter for this reaction? A. 2 CO + H2O —> H2CO3 B. CO2 + H2O —> H2CO3 C. CO2 + 2 H2O —> 2 H2CO3 D. 2 CO2 + 2 H2O —>
asked by bella 
calculus
A right triangle has base x feet and height h feet, where x is constant and h changes with respect to time t, measured in seconds. The angle θ, measured in radians, is defined by tanθ=h/x. Which of the following best describes the relationship between
asked by toan 
chemistry
An unknown substance has been shown to have ionic bonds. Which of the following is most likely a property of this substance? A. low pH B. low boiling point C. high malleability D. high solubility in water d?
asked by bella 
Math
Points A(−6,1) and B(0,4) are located in a coordinate plane. What is the distance from A to B? Enter your answer as a number, without units. im not quite sure can someone help
asked by nini 
chemistry
Which compound has trigonal planar geometry? A. CHCl3 B. NH3 C. BCl3 D. HCN D?
asked by bella 
chemistry
Which of the following best explains why the bonds in ammonia (NH3) are polar covalent? A. Nitrogen has a greater number of isotopes than hydrogen. B. Nitrogen has a greater electronegativity value than hydrogen. C. Nitrogen has a mass number that is 14
asked by bella 
Math
1. Which list shows numbers ordered from least to greatest? A. 1.5,  3.0, 7.1 B.  2.5,  1.0,  1.2 C.  3/3/4, 2/1/4, 1/1/8 *** (MY CHOICE) D.  3/4, 1/3/4, 1 2.Which number can be inserted in the parentheses so the numbers are ordered from least to
asked by HomeworkStan 
chemistry
Sulfur and oxygen form two polyatomic ions: SO32− and SO42−. What is the name of SO32−? sulfate sulfite sulfur dioxide monosulfur dioxide #4?
asked by bella 
chemistry
An unknown substance has been shown to have metallic bonds. Which of the following is most likely a property of this substance? A. low melting point B. high conductivity C. low pH D. high solubility in water is it B?
asked by bella 
Careers
With this subjects which career I can choose? Geography, maths lit, history, life science
asked by Ntivo Mashele 
math
A car travels 416 miles in 8 hours. At that rate, how far will the car travel in 22 hours 104 miles 151.3 miles 1,144 miles*** 3,328 miles
asked by 21 pilots (not really) 
math
If the length of the shorter leg of a right triangle is 5 cm and the length of the hypotenuse is 13 cm, find the length of the longer leg.
asked by 5 
math
A(n) __________ circle is used over a number when the solution can be equal to that number.
asked by ASAP......... 
Earth Science 
In a model ensemble system, what do meteorologists change each time they run a simulation of the same model?(1 point) the initial conditions the mathematical equations used the predicted forecast the range of possible outcomes
asked by Madi 
Physics
The arm of a crane at a construction site is 16.0 m long, and it makes an angle of 13.9 ◦ with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces around the base of the arm. What maximum
asked by aquead 
social studies
question 1 Which of the following describes how the structure of feudalism in Europe worked? A.There was a council of vassals; peasants voted for council members to represent them. B.The king chose people to serve on a senate; the serfs voted for people to
asked by The Middle Ages 
Earth Science
1. Which provides the most direct source of energy for a hurricane?(1 point) A warm ocean water B heating of the air by the sun C friction with the ground D rising, swirling winds 2. How does upwelling affect the weather of a coastal region?(1 point) A The
asked by Madi 
chemistry
If a polyatomic ion is made of halogen and oxygen atoms, what form would one take if it had the fewest atoms? This form would get only an ate suffix. This form would get a hypo prefix and an ite suffix. This form would get a per prefix and an ate
asked by bella 
Math
If P(A) = 3/5, P(B) = 1/4, and P(A∩B) = 3/10, are A and B independent? Select the option that provides both the correct answer and the correct reason. A: Yes, because 3/5 (1/4) = 3/10. B: No, because 3/5 + 1/4 ≠ 3/10. C: No, because 3/5 ÷ 1/4 ≠
asked by Trent 
Math
At the end of the summer, Walgreens advertised blowup pools for 66% off the regular price. Jeff Jones saw a pool with a regular price of $49.99. The dollar markdown is: A) $39.29 B) $32.99 C) $33.99 D) $33.39 E) None of these
asked by Alex 
history
Why were states so important to the Articles of Confederation? a. They wanted a new monarchy. b. States were under the federal/national government in terms of leadership. c. States had no power and they wanted to be part of one strong group. d. There was a
asked by Anonymous 
algebra
The data on the graph show the foot lengths and forearm lengths for a group of people. The line of best fit for the data is shown. Use the equation of the line of best fit to predict the length of a person’s forearm if the length of their foot is 8
asked by jam 
chemistry
Which of the following has the fewest valence electrons? A. nitrogen (N) B. boron (B) C. lithium (Li) D. fluorine (F) is it C?
asked by bella 
Math
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 6x^2+ 6x^4– 2x^2
asked by sAd_tEA 
algebra
Jan mixes 1 1/3 cups of white flour,, 1 3/4 cups of whole wheat flour, and 2/3 cup of rye flour. About what fraction of the mixture is whole wheat flour? Solve and explain how you got your answer.
asked by rose 
Math
90 is the product of Delia's age and 5. Use the variable to represent Delia's age.
asked by sda 
Math
A surveyor sights two signs and the angle between the two lines of sight measure 55°
asked by Aleeza 
Careers
What career path can i follow with these subjects Math literacy, physical science,life science
asked by Zandy 
chemistry
What is the molar mass of acetic acid (HC2H3O2)? (NOTE: H = 1.008 amu, C = 12.011 amu, O = 15.999 amu) 120.1 g/mol 30.0 g/mol 58.0 g/mol 60.0 g/mol is it 58.0 g/mol?
asked by bella 
math
Explain how the difference of a fraction or a rational number and its additive inverse is equal to zero.
asked by Niyah 
math
A rectangular piece of sheet metal is 4 ft longer than it is wide. The area of the piece of sheet metal is 45 ft2. Find its length and width.
asked by anonymous 
Math
A card is chosen at random from a standard deck of 52 playing cards. What is the probability that the chosen card is a king or a queen? A: 4/52 (1/2) = 1 26 B: 4/54 + 4/50 = 104/675 C: 4/52 (4/52) = 162/704 = 1/169 D: 4/52 + 4/52 = 8/52 = 2/13 I belive its
asked by Trent 
science
Which process is an important part of chemical weathering through oxidation? a.) oxygen giving up electrons to other elements. b.) oxygen capturing electrons from other elements. c.) oxygen capturing protons from other elements. d.) oxygen giving up
asked by 1234 
Writing
For the following sentences underline the complete predicate and circle the simple predicate
asked by Kim 
Math
Alex rides 45 miles in 3 hours. Write an equation that shows the relationship between the distance, d and the time, t that he rides if Alex rides at a constant rate of speed? D(Distance) = 15T(Time) Is this right
asked by Joe 
Physics
A grasshopper leaps into the air from the edge of a cliff at a 47 degree angle. He reaches a maximum height 6.49 cm above the top of the cliff and travels a total horizontal distance of 1.02 m. How tall is the cliff and what is the initial speed of the
asked by Jack 
Physics
A hydraulic lift has 1000 N applied to an input piston that has an area of 30 cm2. What is the pressure exerted on the input piston?
asked by Xavier 
History
How did the Protestant Reformation impact Christianity? It made it more popular, correct? People created different branches of Christianity?
asked by Anastasia 
Math
April rewrote a quadratic function in vertex form. h(x)=5^230x+30 step 1 h(x)=5(x^26x+ )+30 step 2 h(x)=5(x^26x+9)+3045 step 3 h(x)= 5(x3)^2+15 In which step did they make a mistake? and how? Please help
asked by Alex 
math
the total value of the dimes and quarters in a coin bank is $3.70. if the quarters were dimes and the dimes were quarters, the total value would be $4. Find the number of dimes and the number of quarters in the bank.
asked by xime 
Science
What would likely happen if a frog pond was polluted with trash?
asked by ❄ Snowflake ❄ 
Civic
10 Factors that can hinder a citizen rights
asked by Kazeem 
Chemistry
What is the enthalpy change when 100.0 g octane (C8H18, MW = 114.23 g/mol) is combusted at 25C?
asked by Nicole 
math
Write and solve an equation that represents the following situation 35 people paid a total of 245 for admission to a local soccer game. What is the price of admission. Please help im stuck.
asked by jam 
Math
Four pipes can fill a tank in 70 minutes.how long will it takes to fill the tank if 7 pipes are used.
asked by Ali 
Physics
Calculate+the+linear+expansivity+of+a+brass+of+length+120m+that+assume+a+new+length+of+120.05m+when+heated+through+a+temperature+of+100°c
asked by Ben toby 
algebra
Janet is training for a marathon. She decides to track her time per mile, in minutes, for 8 weeks. Which equation best fits the data? A graph is labeled as Marathon Training. The horizontal axis is labeled as Weeks and the vertical axis is labeled as Time
asked by jam 
Math
Do the ratios 14/7 and 2/1 form a proportion?
asked by Kitty Cookie 
Social Studies
Which of the following describes how the Catholic Church was a part of European culture in the Middle Ages? A. Most peasants learned how to read and write by attending a Catholic school. B. The Church pushed for people to use reason and to question those
asked by Afreen 
Social Studies
Why did the pope called for the Crusades? A. to take back the holy lands from Muslim control B. to fight against the Byzantine Empire and restore Catholic practices in that region C. to gain knowledge of the Muslim faith and bring it back to the people of
asked by A 
calculus
Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative.) f(x) = 1/2x+ 2/3x^2  5/6x^3
asked by steven 
chemistry
How does Avogadro’s number relate to the atomic mass and moles of an element? 1. Avogadro’s number can be used to convert the atomic mass of an element to the mass of one mole of that element. 2. The atomic mass of an element can be used to convert
asked by bella 
Science/Health
1) Identify the systems of your body, and explain how these systems work together. 2) Describe the flow of blood to the human body, including through each of the four. Can you guys help me with this?
asked by XxFox_FrostxX 
social studies
1Which is one way that Homo sapiens differed from Neanderthals? A. They created stone tools. B. They could learn and adapt. C. They hunted for food.**** D. They buried their dead. 2.In what way did Hippocrates influence the field of medicine that can be
asked by crazy_curls 
English
Which sentence contains a predicate noun? A. The walk through the tunnel was eerie. B. I bought my mom a cookbook for her birthday. C. My dog is a master of the household. D. The ground is very uneven. I think it's A or B. Could you provide me with help
asked by Carrot 
algebra
If 14 out of 20 people like chocolate milk, what percent of the people do not like chocolate milk? (1 point) 5% 30% 40%*** 70% Which of the following are equivalent to 85%? Choose all that apply. A. 0.085 B. 0.85** C. 85/100 D. 19/20
asked by bee_bro 
chemistry
Equeston
asked by Radico 
Math
How do I solve 2v  7 = 23
asked by Boomer 
Math
9 6 (w+5) a.. 15w +5 b.. 15w+30*** c.... 6w 39 d.. 6w+21 plz help quick
asked by DONTWORRYABOUTIT 
Math
W/4  4 = 4
asked by I need help 
Careers
What career and job qualification can i get with these subjects? Maths lit,tourism,consumer studies,dramatic arts
asked by Isabella 
math
17. If you were to sketch a circle graph for the data shown in the table below, about what fraction of the circle would represent comedy? 1/2 1/3 1/4 1/5
asked by bee_bro 
History
Which of the following best illustrates how the different customs, cultures, and traditions of New Mexico’s ethnic groups help strengthen and unite the state? A. New Mexico’s ethnic groups are like a handful of straws. B. New Mexico’s ethnic groups
asked by i miss my brother 
math
Explain how the zero property in the problem,2/3(0)=(0)2/3 , is the same with any rational number.
asked by Niyah 
Math
Hi so this is the connexus unit 7 math test, and I am terrible at math,I really tried but please help. solve the equation 2v7=23 And there is more but I can't write them because they are fractions, PLEASE HELP. I cannot fail.
asked by Yumeko 
Math
A baseball bat and baseballs cost $163.25. The bat costs \$106.45. . What is the cost of one baseball 163.258c=106.45;\$33.71 8c+106.45=163.25:\$7.10 8c+163.25=106.45:\$7.10 8c106.45=163.25:\$3.71
asked by Emma🤩_ 
Business
What are Alteryx Inc. core competencies?
asked by Amity 
Math
An auto parts company is interested in how long people plan to own their cars. They collect the following data by asking 18 car owners how many years they will drive their current car from the time they bought it until they trade it in: 5 7 8 4 9 10 8 5 4
asked by Aailyah 
algebra
yalll please help what is equivalent to 3(2x5) = 4(x+3) ?
asked by natalie 
Science
How does lead get into water?(1 point) It occurs naturally in water. It is a byproduct of detergents interacting with organic matter. It leaches into water as old pipes corrode. It is released into waterways with industrial waste.
asked by Anna oop 
Math
Which operation can you use to solve the equation 2/9x = 12? a.Subtract 12 from each side b.Add 2/9 to each side c.Divide both sides by 9/2 d.Multiply both sides by 9/2
asked by IKTA! 
Math
Find the volume of a square pyramid with a base length of 14.2 cm and a height of 3.9 cm one point 18.5 CM exponent of three 71.0 CM exponent of three 262.1 CM exposure to three 786.4 CM exponent of three
asked by New 
Statistics
A researcher studying salaries of police officers around the nation surveyed 64 officers and found a mean salary of $71,228 with a standard deviation of $7,425. Make a 99% confidence interval for the mean salary of all police officers.
asked by Aailyah 
Math
So just wanna be correct, 5x+6(x2)8(x3) A. 19x+36 @@@ B19x+12 c. 3x36 D.3x+12
asked by SFS 
management
why are some charges not reported as revenue for health care organizations?
asked by Sherri Anderson 
History
Which of these New Mexican ethnic groups is most likely to celebrate its heritage by having a powwow? A. African American B. Asian American C. Mexican American D. Native American
asked by i miss my brother 
social studies
How did knowing how to cut and stack stones help early Andean civilizations grow?
asked by jayden 
Writing
Write a good paragraph with the following words: Reluctant Suggest Among Nervous Habits Thank You If You Do 😗
asked by Kadence 
Algebra
Find the velocity of a ball of mass 0.01kg Midway when projected from a height of 10m and has a maximum height of 5m
asked by Christopher 
math
The rear gear of a bike has a radius of 1.69" and the front gear has a radius of 4.38" and the tire has a radius of 12.6." How far will the bike travel if the pedals are rotated through 180º?
asked by harvey 
math
The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.006x2 + 1.2x + 10, where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 6 feet
asked by anonymous 
Civics
1.In the Supreme Court case, United States v. Windsor the court decided that the Defense of Marriage Act violated which of the following? A.the comity clause B.the Due Process clause of the Fifth Amendment C.state’s rights D.reasonable discrimination
asked by Help 
math
1.00 3.00
asked by peyton 
Algebra
Is the equation true, false, or open? 4y + 8 = 6y +3
asked by Dixie 
Math
The ratio of red marbles to blue marbles in a jar is 2 to 5. If there are 35 marbles in the jar, how many red marbles are there? Do have the right answer: 2:35
asked by Mary 
algebra
9p17=10 Answer choices 3 16 18 16 I think 18
asked by DingoAteMyBabies 
math
how do i rewrite these so i can graph them? 4xy=2 xy=1
asked by anime_is_cool 
Math
The ratio of red marbles to blue marbles in a jar is 2 to 5. If there are 35 blue marbles in the jar, how many red marbles are there? 5 x7 =35 2x7=14 red marbles is this right
asked by Mary 
Chemistry
How many grams of H are in 1 mole of methane? Really having trouble with this and any help would be really appreciated
asked by Jack 
math
Central Park is a rectangular park in New York City. Find the actual perimeter and area of Central Park.
asked by Bri 
Math
given that angle ACF ~=~ angle ECF and measure of angle ABF = measure of angle EDF = 90, write a twocolumn proof to show that Triangle ABF ~=~ triangle EDF
asked by Madeline 
English
Is this a runon sentence?: Feudalistic Japan and Europe, followed and were based upon similar ideals, and were formed in the hierarchy; bonds tying individuals together in a descending order: Nobles, warriors to tenants.
asked by Anastasia 
English
How would you space the latter poem?: With your blue eyes I can hardly resist These emotions that come as a flood to exist Or maybe the ocean waves Reflecting The blue of a penetrating gaze Shadows of sapphire envelope Sea glass washing upon the shores of
asked by Anastasia 
History
The Hispanic culture is represented in New Mexico through which of the following? Select the two correct answers. A. the architecture of Catholic churches B. the festival of Aki Matsuri C. place names D. rodeo competitions E. powwows and traditional dances
asked by i miss my brother