Questions Asked on
April 12, 2018

English
Choose the option that corrects the error in the underlined portion. If no error exists, choose "No change is necessary." When the body needs to fight infectious diseases it increases the number of white blood cells. a) diseases, it b) diseases. It c)

Chem 2
A voltaic cell consists of an Al/Al3+ halfcell and a Cd/Cd2+ halfcell. Calculate {Al3+} when {Cd2+} = 0.401 M and Ecell = 1.299 V.Use reduction potential values of Al3+ = 1.66 V and for Cd2+ = 0.40 V.

US History
Camp meetings, like the one in the picture above, were thought to inspire which of the following? (picture showing crowds of people gathered around people in a forest) Men and women to give their lives to God ** Men and women to accept and pray for sinners

Ap Chemistry
Can anyone help me with this question How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts completely with the silver to form AgCl(s)? A. 8.8 g B. 0.0525 g C. 0.89 mg D. 3.07 g

Math
Lisa finished 21 out of her 30 problems in class. What percent of the math problems did Lisa finish in class?

math
1/2÷5/8

college algebra
if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500 million years? what is the halflife of this element?

Science
A geologist measured the amount of 40K in a rock; she determined that there was about 10 grams of 40K and 10 grams of 40Ar. What would be the approximate age of that rock?

Mathplease check
5. Find three solutions of the equation y=9x4. (A) (5, 49), (2, 22), (3, 23) (B) (5, 49), (2, 22), (3, 23)*** (C) (5, 49), (2, 22), (3, 23) (D) (5, 49), (2, 22), (3, 23) 9.Which is a rule that describes the translation of a point from (4,

math
The volume of a sphere of radius r is V=4/3πr^3.Solve for r.

Science
Which of the following are the basic building blocks of life 1.) cells 2.)lungs 3.)organs 4.)tissues thx BEHEHEHE

Algebra
How many real number solutions does the equation have? 0 = 7x^2 + 6x + 3 one solution two solutions** no solution How many real number solutions does the equation have? 0 = 2x^2  20x + 50 one solution two solutions no solution**

History
Which is the best definition of naturalization? The process of living and working in the U.S. in order to become a citizen The act of taking an oath of loyalty to the U.S. in order to become a citizen The legal steps taken for a citizen born in another

Algerbra 1 B
Simplify the radical expression. Show all your steps. \sqrt{363} 3 \sqrt{27}

US History
Which of these is an advantage of the North? (during the Civil War) Better transportation systems ** More experienced commanders Greater commitment to the cause Stronger support of the civilian population Feedback would be appreciated.

History
Which set of issues led to the Civil War? Economics, religion, boundaries Politics, education, voting rights ** Slavery, politics, economics Voting rights, slavery, politics

Chemistry
The standard reduction potential for Cr3+(aq) is −0.74 V. The halfreaction for the reduction of Cr3+(aq) is the following. Cr3+(aq) + 3 e− → Cr(s) The standard reduction potential for Ni2+(aq) is −0.26 V. The halfreaction for the reduction of

Math
Adam used the three fractions to make a circle graph dhd

Linguistics
Each set can be identified by means of a single common featue. List the feature. { t, n, l } { Ɛ, o, e } { Ɛ, g, j }  The first set is alveolar, and the second set comprises mid vowels. But I can't find the common feature of the third

physics
At one point during its swing, a wrecking ball exerts a tension force of FT = 9825 N on its cable, which makes an angle of α = 25.0° with the horizontal. The crane's 9.00mlong boom is at an angle of θ = 60.0° with the horizontal. What is the torque

Math
Complete each of the tasks outlined below. Task 1 You are starting a new business in which you have decided to sell two products instead of just one. Determine a business you could start and choose two products that you could sell. How much of your own

Math
Mimi earns $4.50 per hour, timeandahalf for overtime, and 3% commission on gross sales. What were her earnings the week she worked 46 hours and sold $5,300 worth of goods? a. $318.21 b. $349.50 c. $423.50 d. $379.50

Math
Nearest whole percent of 30.367271

Science
How Is a compound different from a mixture? it is made of one substance It cannot be made of organic materials It cannot be broken down It cannot be separated by a physical change I don't know This formula shows the chemical reaction that occurs when the

math
Classify the triangle with sides measuring 11 cm, 5 cm, and 10 cm. equilateral isosceles scalene none of the above

Math
Roman saves $500 each year in an account earning interest at an annual rate of 4% compounded annually. How much interest will the account earn at the END OF THE FIRST THREE YEARS? I think I am confusing simple and compounded interest. The answer I got was

Pre Algebra
Carol has a collection of 100 stamps. The graph shows the percentage of stamps she has from each country. How many more of Carol stamps are from Italy then from England. A. 22 stamps B. 25 stamps C. 47 stamps D. 3 stamps Please help me I'm a little bit

Chemistry
What is the reaction that occurs at a silver anode of a voltaic cell? (Include statesofmatter under the given conditions in your answer.) I got: Ag(s) > Ag^{2+}(aq) + 2 e^ But my hw program isn't accepting this. What am I doing wrong?

Math Help ASAP Please!
What number is a perfect square? A. 36 B. 144 C. 1,000 D. 36,000

math
What is the ratio of sugar to flour 6/4 18/12 30/20

Calculus
The radius of a circle increases from 2 meters to 2.1 meters. Use differentials to estimate the increase in the area of this circle I dont understand how to do this type of problem could someone help?

Math~integers
5(8) My answer=40

Maths
Two ships A and B left port (P) at the same time, with ship A moving due north while ship B was on a bearing of 060Â°. Two hours later A had covered a distance of 10km. B had covered 8km and was at a bearing of 150Â° from A. Calculate the distance

Math
You want to buy three books that are on sale at 20% off. The original prices of the books are $2.50, $4.95, and $6.00. How much will you save?

Algebra
Let the function f be defined by f(x)= 5x2a , where a is a constant.If f(10) + f(5)=55 , what is the value of a ?

Maths
If sec(2x)=tan(y)+cot(y). So x+y=.......

Math. Can someone check my answer
Find the slope of the line through (9,10) and (2,5) A. 5/7**** B.7/5 C.5/7 D.7/5

math
what is the radius of such a cone whose volume is 5π?

math
g(x) = 8 sin x, [0, pi], 6 rectangles

Chemistry
I need help plugging these in. I didn’t understand what DrBoB222 meant 2.A student starts with a titration by placing 30.0mL of 0.25M NaOH into a flask with 3 drops of phenolphthalein. The student then titrated to the endpoint using 18.0mL of HCI.

math
i need help with functions unit lession 13 just help

Math
List the terms in the following expression: 7y+16

Math
What are the coefficients in the following expression: 8b3x+10

Biology
Hypothetical: what if someone were to cut the layer of skin on the eyes of a Spalax mole (blind mole rat) off? Would they not be blind anymore, or would that cause a big disfunction with the mole?

Algebra 1
Myrna spent $21.95 on treats to put in Gift of Love boxes for the needy children in her city. A candy bar coasts $0.80 and a bag of trail mix costs $0.65. Myrna bought 7 more candy bags of trail mix than candy bars. How many candy bars did she buy? The

Physics
A thin 2.84 m long copper rod in a uniform magnetic ﬁeld has a mass of 53.7 g. When the rod carries a current of 0.273 A directed perpendicular to the magnetic ﬁeld, it ﬂoats in the magnetic ﬁeld. The acceleration of gravity is 9.81 m/s2 . What is

Math
Which ordered pair is NOT a solution of 4x9 ? A) (9, 27) B) (3, 21) C) (6, 4) D) (5, 28) I think D

Mathematics
Find the length of the longest straight line which can be drawn on a rectangular board which measures 2.2m by 1.2m

Antennas
Consider a pocket transistor radio receiver at 1MHz: a) What is the effective aperture of its ferrite rod antenna (assuma the antenna has a sin^2 alpha power pattern)? b) At 10km from a 10KW (Equivalent Isotropic Radiated Power), 1MHz broadcasta station,

2 problemsmath
1. find the relationship of x and y in the table. x: 2; 4; 6; 8; 10 y: 1.5; 2; 3; 4.5; 5 y = _______ x + ________ 2. find the relationship of x and y from a graph of a line that crosses the yaxis at y = 6 and that goes into the left 2 units and rises 3

Maths
A plane flies northward 430 km, how far is it from its starting route.

math
The volume of a sphere depends on the sphere's radius:V=4/3πr^3.(A)If the radius of a sphere is 3 feet,what is the volume?Give exact and approximate answers and use correct units.(B)Solve for r in the volume formula.(C)If the volume of a sphere is 20

English
Need help writing a horror story. Already got a start but needing help with conclusion

Math & science
An electric iron takes 13s when connected to a.c mains. find the cost of using the electric iron for 3 days at N 10.00 perkwh

network basics
3. How do you find out the purpose of commands and their associated syntax?

physics
A rifle with a mass of 0.9 fires a bullet with a mass of 6.0 g (0.006 kg). The bullet moves with a muzzle velocity of 750 m/s after the rifle is fired. A. What is the momentum of the bullet after the rifle is fired? B. If external forces acting on the

Economics
What might induce a rightward shift of aggregate supply? a) Improvements in productivity, resulting from increased investment in plant and equipment b) Increases in the size of labor force which reduce wages, improved business confidence and changes in tax

Math
What is the value of the missing angle? 720 120 128 138 There's a hexagon and the angles are 152 degrees 85 degrees 125 degrees 135 degrees and another 85 degrees

Antennas
Consider a pocket transistor radio receiver at 1MHz: a) What is the effective aperture of its ferrite rod antenna (assuma the antenna has a sin^2 alpha power pattern)? b) At 10km from a 10KW (Equivalent Isotropic Radiated Power), 1MHz broadcasta station,

network basics
1. What is the purpose of netstat?. What is the purpose of the a switch? " How many connections are listed? " How many rely on TCP? " How many rely on UDP?

Math
so this is evaluating functions and "evaluate the function when x = 2, x = 0 and x = 2 1. f(x) = 3x 2. g(x) = x  6 3. h (x) = 8x + 7 what do the variables at the beginning of the equation mean? (the f , g and the h) thanks :)

Calculus
The position vector r(t) = describes the path of a particle in space. What is the particle's speed? A. 3√7 B. √93 C. √85 D. 149 E. 21

Math degrees
A Ferris wheel has spokes that divide the wheel into 9 equal sections. What is the measure of the angle of the angle for each sections

History
Why does scarcity exist?

math
what is 8x2x4?

math
Find the inverse Function? J(x)=2^x/(1+2^x)

English
Sandra is working on her Works Cited page for a research paper and needs to include information from a magazine article called "The Cultivation of Violets" by Fiona Knox. It was published in the April 2015 issue of Botany Monthly. The article was found on

social studies
what could a young man do if he did not pass the civil service test in the han dynasty

math
a)Find the time required to double the amount of an investment at an interest rate k, compounded continuously. b) Find the time required to double an investment at continuous rate of 6%.

Math
$210.00 increased by 40% is what percent of $210.00? 2. How much money is a $210.00 increased by 40%?

Chemistry
When 1.00 mol of A and 0.800 mol of B are placed in a 2.00 L container and allowed to come to equilibrium, the resulting mixture is found to be 0.20M in D. What is the value of K at equilibrium?

Chemistry
HA(aq) H+(aq) + A(aq) K = 5.0 x 10 9 The initial concentration of HA is 0.30 M What is the final equilibrium concentrations of HA, H+, A? Show work, solve if you can

MATH
Does anybody know how 1.80 = xe−b(4.80 ) equal .0191

math
Sound A is 32dB. Sound B is 54 dB. How many times more intense is Sound B than Sound A?

math
A family from Hong Kong is visiting the United States. Their first stop is a bank, where the following exchange rate is posted: USD to HKD= 7.78. On this day, how many U.S. dollars will the family get for 10 of their Hong Kong Dollars? Round to the nearest

Science
//[remove]prntscr.[remove]com/[remove]j4jmwi (PICTURE IS IN SCREENSHOT) Which statement is correct? Land animals are quicker than animals that fly Insects can not move as quickly as land animals Some birds can move more quickly than some land animals***

Science
Which formula is used to calculate acceleration? Time divided by change in speed Time x change in speed Change in speed divided by time Change in speed x time Help ? Thanks, Anonymous

math
One day at 2:00 AM, the temperature was 9 F in Nome, Alaska. At 9:00 AM the temperature was 26 F. What was the average change in temperature in hours? Need help

Math
a flower was 20 centimeters tall one week ago in five days it grew 1 meter find the current height of the flower 12.3 cm 120 cm 125 cm 11.2 cm