Questions Asked on
April 16, 2020

math  modular arithmetic
In the statement below, the two blanks can be filled by positive singledigit numbers in such a way that the statement is always true: $$\text{If }2x\equiv y+5\ (\bmod\ 9)\text{, then }x\equiv \underline{\ \ \ }\,y+\underline{\ \ \ }\ (\bmod\ 9).$$What is
asked by anonymous 
Math/Finance
Jose started a small business and wants to determine when the business will become profitable. His operating costs can be expressed as y=$10,000+$3,000x, where x is the number of months he stays in business. His sales revenues can be expressed as
asked by Mikayla 
MATH
Buford pays for a $4000.00 vacation with a credit card that has a 20% APR. He decides to make $200.00 monthly payments. What is the total amount of interest and fees based on the APR?
asked by Romero 
Math/Finance
Jasmine is taking out a small business loan for her floral shop. She plans to apply for a $30,000 loan with a 5year term and a 3.75% interest rate. She is unsure of her expected monthly profits, so she wants to know the benefit of a smaller loan. Using
asked by Donovan 
Math
A company is valued at $100,000,000 and has 5,000,000 shares of stock. What is the value of each share?
asked by Remy 
Geometry
Use triangle ABC to write the value of tanA as a ratio. Triangle A B C has segment A B that measures 45 units, B C is 28 units, and A C measures 53. Angle B is a right angle. What is the ratio for tanA? Enter your answer as a fraction in simplest form,
asked by GROOVE 
Physics
5. Salim has a paper route. In the winter time, he puts his newspapers on a toboggan to pull them through the snow. The combined mass of the papers and the toboggan is 24 kg. The coefficient of static friction between the toboggan and the snow is 0.18. The
asked by help 
MATH
Levi would like to use a credit card to make a $3000 purchase. He is considering two credit options. The first requires a down payment of $1000 followed by monthly payments of $125. The second requires a down payment of $1300 followed by monthly payments
asked by Romero 
Geometry
In right triangle ABC, ∠A is a right angle, m∠B=44∘, and AC=10. sin44∘≈0.695 cos44∘≈0.719 tan44∘≈0.966 Triangle A B C as described in the text. What is the measurement of BC? If necessary, round your answer to one decimal place, like
asked by GROOVE 
Geometry
Use triangle ABC to write the value of sinB as a ratio. Triangle A B C with right angle at A, and hypotenuse B C. The following measures are labeled in the figure: A B=5, B C=13, A C=12. What is the ratio for sinB? Enter your answer as a fraction in
asked by GROOVE 
MATH
Jasmine is taking out a small business loan for her floral shop. She plans to apply for a $30,000 loan with a 5year term and a 3.75% interest rate. She is unsure of her expected monthly profits, so she wants to know the benefit of a smaller loan. Using
asked by Romero 
Geometry
In right triangle JKL, ∠L is a right angle, m∠J=62∘, and JK=17. sin62∘≈0.88 cos62∘≈0.47 tan62∘≈1.88 Triangle J K L as described in the text. What is the measurement of JL? If necessary, round your answer to one decimal place, like this:
asked by GROOVE 
Geometry
Which value is equivalent to sin42∘? a. cos3∘ b. cos90∘ c. cos45∘ d. cos48∘
asked by GROOVE 
Science
Consider the ideal transformer, where i1(t)=20cos(120πt) Amps and v1(t)=100cos(120πt−45∘) volts, and a = 1 and b = 10. What is the rms value of i2 in amps? what is the amplitude of i2 in amps?
asked by Arivu 
Math
The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname If more than one surname begins
asked by Isaac 
precalculus
Initially 700 milligrams of a radioactive substance was present. After 2 hours the mass had decreased by 5%. Construct an exponential model A(t) = A0ekt for the amount remaining of the decaying substance after t hours. Find the amount remaining after 24
asked by Maddie 
Texas State History
which of the following best characterizes interest groups in texas? A)The Texas Ethics Commission police interest groups to sop bribery disguised as campaign contributions B)Interest groups in Texas have very little influence on decisions made by texas
asked by Jojo 
Calculus
A science project studying catapults sent a projectile into the air with an initial velocity of 24.5 m/s. The formula for distance (s) in meters with respect to time in seconds is s = 4.9t2 + 24.5t. Find the time that this projectile would appear to have
asked by Jon 
math
Find the missing dimension of the cylinder. Round your answer to the nearest whole number. Volume = 10,000π in.3 diameter= 32in
asked by Jessica 
math
what algebraic expression for the following word phrase: the quotient of 7 and the sum of 9 and z a. 7/9+7z b.7(9+z) c.7/9z d.7/9+z
asked by help 
Math
From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was − 20 ° 20°C. What was the temperature at midnight? Please Explain the Answer to Me
asked by Connexus Smartz 
math
a gift box is 10 inches long and 6 inches wide it is 3 inches tall what is the volume of the box
asked by omar 
Math
A class of 24 students was asked to identify a team sport in which the have participated. There responses are shown in the plot line.
asked by Aww yeah this kid is awesome 
science
Moby travels down a halfpipe on his skateboard in five seconds. His speed at the bottom is 10 m/s. What was his acceleration?
asked by magrvcens 
English
1. What mood or feeling does the description of the setting in the first stanza of "The Highwayman" add to the poem? a. a feeling of drawnout terror c. a feeling of sad uncertainty b. a feeling of mystery and anticipation d. a feeling of joy and eagerness
asked by Billlybob 
stats
Researchers are investigating whether people who exercise with a training partner have a greater increase, on average, in targeted exercise intensity compared with people who exercise alone. Two methods of collecting data have been proposed. Method I:
asked by Anonymous 
Chemistry
True or False: 1. Mass and weight are both independent of gravity. 2. Your weight on the moon is the same as your weight on the Earth. 3. Your mass on the moon is the same as your mass on the Earth. 4. Weigh and Mass are the same thing.
asked by Sky 
Math
Use the given function value(s), and trigonometric identities(including the cofunction identities), to find the indicated trigonometric function. sec θ = 5 a) cos θ = 1/sec θ = 1/5 b) cot θ = cos θ/sin θ =cosθ/cos(90θ) I did a but im stuck for b,
asked by John 
Geometry
Which value is equivalent to cos15∘? a. sin45∘ b.sin75∘ c. sin85∘ d. sin30∘
asked by GROOVE 
Math
A company developed a Box in the shape of a prism as shown below a formula for the volume of a triangular prism is V = BH which expressing can be used to find beat the area of the base of this prism in square centimeters
asked by Aaliah 
Math
If 1 cubit ≈ 18 inches and 1 span ≈ 9 inches The tallest person on official record was Robert Wadlow, who stood 8 ft, 11 in. What would Wadlow's height have been in cubits and spans? How does Wadlow's height compare to Goliath's? So basically Goliath's
asked by Andrea 
English
Is 'tiresome' a twosyllable word or a threesyllable word?
asked by rfvv 
Social Studies
Which of the following statements about the building of Canada's transcontinental railway is TRUE? A. The workers faced the same challenges in each section of the country. B. The completion of the railway brought many newcomers to the West and changed the
asked by ❄ Snowflake ❄ 
Chemistry
How to write Lewis formula if cyanogen
asked by Maryam 
chemistry
To what temperature must a given mass of nitrogen at O°C be heated so that both its volume and pressure will be doubled?
asked by terry 
Algebra
Solve the equations: 48+2x^2=16 k^2 = k 17^2 = 15^2+(2m)^2
asked by Anonymous 
Science
suppose 2 45g if ice cubes are added in a glass containing 500cm^3 of cola at 20°C. When the thermal equibruim is reached all the ice will.have melted and the temperature of the mixture will be somewhere between 20°C and 0 °C . Calculate the final
asked by Thato 
geometry
Divers looking for a sunken ship have defined the search area as a triangle with adjacent sides of lengths 2.75 and 1.32 the angle between the sides is 35 degrees. find the search area.
asked by matt 
Home Economics
Making a single pointed dart
asked by Ann 
math
example sorry for caps You are designing a rectangular playground. ON YOUR SCALE DRAWING, THE VERTICES OF THE RECTANGLE ARE (6,3), (6,5), AND (8,3). wHAT ARE THE COORDINATES OF THE FOURTH VERTEX? 1: (4,5) 2: (8,5) 3: (8,1) 4: (5,8)
asked by Math 
Math
You finally get an allowance! You put $2. away in January, $4. away in February, $8. away in March, $16 away in April and followed this savings pattern through to December. How much money do you have in 12 months?
asked by Anonymous 
Algebra
Solve for d. d2 = 121 Write your answers as integers or as proper or improper fractions in simplest form. d = or d =
asked by carmella 
math
wha expression is equivalent ti 21+28x
asked by julie 
Math
Five times the sum of a number and 28 is at most 15
asked by Anonymous 
Economics
How does the CFA franc remove a trade barrier within West and Central Africa?
asked by Lillith 
math
The Rodriguez family has a rectangular backyard. They have 200 feet of fencing. The dimensions of their yard are 65 feet wide and 42 feet long. Does the family have enough fencing to build a fence around their backyard?
asked by jhvljh 
Chemistry
Determine the number of molecules in 8.62 x 10^3 g of dinitrogen pentoxide. a) 4.80 x 10^19 molecules b) 4.80 x 10^25 molecules c) 4.80 x 10^23 molecules d) 0.931 molecules
asked by Cameron 
Chemistry
Calculate the number of particles in 7.8 mol MgCl2(s). Indicate the correct type of particle (atom, molecule, ion, or formula unit). a) 4.7 x 10^24 formula units b) 1.3 x 10^23 formula units c) 4.7 x 10 ^24 molecules d) 1.3 x 10^23 molecules
asked by Diana 
Algebra
A survey of voters explored the relationship between the ages of voters and whether or not they support building skateboard ramps at a local park. Chart: Age In Favor Opposed Total 1837 40 10 50 3857 27 23 50 58 and 6 44 50 over Total 73 77 150 1.) What
asked by Maddie 
Math
What is the surface area that the two pools will cover in the back yard? 7m 3.5m length 4m 3m width
asked by Demi 
Science
Identify and explain 5 major land biomes by their characteristics that were in your lesson. Open ended question.
asked by NoFace 
math
Sally has saved 21 quarters over 8 days from washing cars. How many cents does Sally have ?
asked by Anna 
Literature
What did Louis Pasteur see as a child that haunted him for the rest of his life? a doctor touching a hot poker to the wounds of people bitten by a mad wolf a mad wolf foaming at the mouth and chasing people people dying slowly from a sickness caused by a
asked by sally 
science
A diffraction grating has a length of 1.1 cm and contains 1.7e4 lines. Calculate the first order diffraction angle for light with a wavelength of 448 nm. Give you answer in degrees. Anyone know??
asked by Ellie 
Math
Please...I really need help on this question...Thanks. Noah is trying to create a sequence for his group. He wants the common ratio to be 4, he wants the 5th term to be 15 and he wants the 8th term to be 900. However, this is NOT possible! Explain to Noah
asked by Klara 
English
Dogs are useful animals (Convert into pronoun form)
asked by Shereen 
math
A tank on a road roller is filled with water to make the roller heavy. The tank is a cylinder that has a height of 6 feet and a radius of 2 feet. One cubic foot of water weighs 62.5 pounds. Find the weight of the water in the tank.
asked by Hannah 
Math
Im confused i get a lot of numbers If i go with numbers i think 190 grams better 190 grams cost 1.49 and 850 grams cost 6.99 . Which is better and why .
asked by Gissell 
math
I am working with standard deviation and the empirical rule. The problem has the heights of basketball players (women) and we first had to turn their heights into feet rounded to hundredths. (eg. 5'10' = 5.83) The mean came out to be 5.92 which is
asked by lauren 
math
what is the sum? 7/3+(3/8) a) 65/24 b) 47/24 c) 4/5 d) 5/4 im really suck on this but i think its.. c?
asked by Elizabeth 
algebra
You compare prices of limousines for the spring dance.Company A charges a $250 fee plus $130 for each hour you use the limo.For a similar limo, Company B charges a $125 fee plus $155 for each hour.After how many hours of use will Company B cost more than
asked by Anonymous 
History
This was the term given to the southern states after the end of the Reconstruction era. the first two letters are ne
asked by izecl 
Math
19 mm. Find the area of the coin to the nearest tenth. Use 3.14 for it.
asked by Yadhira 
History
Which country had the MOST spiritual influence on classical China? A) India Eliminate B) Japan C) Korea D) Mongolia
asked by kate 
Geometry
A diameter of a circle has endpoints P(10, 2) and Q(4, 6). a. Find the center of the circle. b. Find the radius. If your answer is not an integer, express it in radical form. c. Write an equation for the circle Can someone please help me by answering
asked by Ti 
Precalc
Find the instantaneous rate of change for the function at the given value. f(x)=5x+9 at x=2
asked by Sara 
Math
The 24 students in Mrs. Merchiore's homeroom sold 72 magazine subscriptions. The 28 students in Ms. Chapman's homeroom sold 98 magazine subscriptions. Whose homeroom sold more magazine subscriptions per student? How many?
asked by Zoey 
Reading
Where did Mary Yu Chang before the Chinese Japanese war
asked by Kierstern 
Math
16 = w/2
asked by Nfjd 
math
2x^31=53
asked by jordan 
math
x^3/83=7
asked by Anonymous 
MathStatistics
Mrs. Smith's reading class can read an average of 190 words per minute with a standard deviation of 20 words per minute. The top 3% of the class is to receive a special award. What is the minimum number of words per minute a student would need to read in
asked by Clarke 
Social Studies
How does the CFA franc remove a trade barrier within West and Central Africa???
asked by Eden 
math
what is the quotient of 196 and 7???? A. 28 B. 28 C. 29 D. 29 PLZZZ I really need help fast!!!!
asked by nioce 
math
A prism is filled with 48 cubes with 3/4 unit side lengths
asked by Blue Diamonds 
Math
Joe has 4 candy bars to share with 7 friends. What fraction of candy bars will each friend get?
asked by Keri streete 
Math
How many 1/8s are in 3? Please help me ASAP!
asked by Zoey 
AChem
Potentiometric AcidBase Titration: The tasks to be performed in Experiment #6 include: A. Preparation of a 0.05 M solution of sodium hydroxide (titrant solution). B. Standardization of the titrant solution. C. Calibration of the pHmeter. D. Determination
asked by Neet 
PreAlgebra
I have 4 questions I’m stuck on, 1) 4K+2(5k6)=3k39 2) 16+5n=7(6+8n)+3 3)10p+911p=2(2p+4)3(2p2) 4) 10n+3(8+8n)=6(n4)
asked by Keekee 
Social Studies
How did European exploration affect East Asian countries?
asked by Weather 
Math
I really need help on this question. there are two triangles, triangle A has 4x+2 on one side, 7x+7 on the other, and 5x4 as the base. triangle B however has x+3 as side one, 2x5 as side two, and x+7 as the base. I need to write an expression in simplest
asked by Tessa 
Math
An urn contains white and green balls. Six balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round
asked by Jack 
social studies
which one of the following conclusions is supported by the results of these studies? (1) characsticts other than ones name have no effect on academic acheivement. (2) unusual names do not determine intellectual development. (3) ethnic group membership is
asked by becky 
math
Which is equivalent to 12(323)?
asked by fati 
Math
Compare. use < , = , or > ? 5 _____9 A. < B. = C. >
asked by Bakugou x Deku 
World Studies
Throughout much of Latin America, people use rushing water to create? A. Swimming pools B. Wells C. Hydroelectricity D. Water parks I think C.
asked by Amsocool 
English
How is Anne Frank a complex character in The diary of Anne frank Act I and Act II
asked by Techgenius 
Math
Which set of numbers is contained in the set of rational numbers? A. whole numbers B. natural numbers C. integers D. all of the above*** Am I right?
asked by mommy's getting a LaRgE diet coke today 
Algebra
Solve: 48+2x^2=16
asked by Anonymous 
Chemistry
A galvanic cell is constructed with a silversilver chloride electrode, and a nickel strip immersed in a beaker containing 6.96 x 102 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts.
asked by egg 
Math
The ratio of North American Butterflies to South American butterflies at a butterfly park is 7:5. The ratio of South American butterflies to European butterflies is 5:3. There are 105 North American butterflies at the butterfly park. How many South
asked by Daisy 
math
How is the graph of y = 2x^2 + 4 different from the graph of y = 2x^2? a. It is shifted 4 units up b. It is shifted 4 units down c. It is shifted 4 units right d. It is shifted 4 units left A ball is thrown into the air with an upward velocity of 48 ft/2.
asked by 𝓜𝓘𝓐 
Math
Sarah wants to build a model of the Golden Gate Bridge for a school project. She decides that her scale model needs to be 1/20th the size of the real bridge. When she looked online, Sarah found that the base of the bridge is 4,200 ft long and 90 ft wide.
asked by Elizabeth 
Math
Which of the following ordered pairs is a solution of the equation y = 4x(square)?
asked by A furry uwu 
Engineering
There is circuit with one resistor, one capacitor, one switch and a dc voltage source resistor = 200Ω dc voltage = 10v Capacitor = 10 uf = 0.00001f 1. what is the RC time constant of the circuit? answer: (200Ω)(0.00001f)=0.002s 2. What is the time from
asked by anonymous 
Chemistry
How do I use Hess's law to calculate enthalpy change? (when given two reactions) (1)Pb(s) + Cl2(g) > PbCl2(s) Delta H(1)= 359.4 kJ (2)Ni(s) + Cl2(g) > NiCl2(s) Delta H(2) = 305.3 kJ This is the third reaction: (3) PbCl2(s) + Ni(s) > Pb(s) +
asked by Emma 
Physics
A plane flies at an altitude where the atmospheric pressure is 200mmHg. If the pressure inside the cabin is maintained at 760mmHg, calculate the net force on a window whose area is 800cm²
asked by Fikai 
Chemistry
I have 2 questions. Can someone confirm my answers? 1.) Which of the following would almost always indicate a spontaneous reaction? A.) when a reaction requires the input of energy B.) if delta G is positive C.) when enthalpy is positive and entropy is
asked by Loren 
Chemistry
The change in entropy for a reaction is 3.0 J/(mol·K) at 25°C. Calculate the change in free energy for the reaction when ΔH = –394 kJ/mol and determine whether it will occur spontaneously at this temperature. Is the answer 395 kJ/mol? and second
asked by Emma 
Engineering
How long will a 100uf capacitor take to discharge through a 100Ω bleed resistor?
asked by anonymous 
Physics/Science
What is the relationship between chemical energy and nuclear energy?
asked by Ghina 
Chemistry
Write the balanced equation for vandadium (II) oxide with iron (III) oxide results in vanadium (V) oxide and iron (II) oxide. 2VO + Fe2O3  V2O5 + 6FeO2 Not sure if the is correct. We're having to learn this on our own with just what notes we have,
asked by Hayden 
precalculus
A radio tower is located 450 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 24 ∘ and that the angle of depression to the bottom of the tower is 21 ∘ . How tall is the
asked by sh 
precalculus
A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 24∘ From a point 2000 feet closer to the mountain along the plain, they
asked by sh 
precalculus
A sector of a circle of radius 3 mm has an area of 4 mm². Find the central angle of the sector.
asked by jeff 
Science
There were 2 important simple rules to Mendel’s inheritance. What were they?
asked by Knuckles 
Engineering
Draw a plot of the voltage at point v for a period of 0.5 seconds after the switch closes, be sure to accurately label both axis. assume that the capacitor is fully discharged prior to switch closing. Can someone help me draw the graph for the picture in
asked by anonymous