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April

Questions Asked on April 29, 2017

A certain disease has an incidence rate of 0.8%. If the false negative rate is 7% and the false positive rate is 3%, compute the
1. 1 answer
2. asked by un
3. 1,588 views
If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting
1. 1 answer
2. asked by jaz
3. 539 views
Some dragonflies splash down onto the surface of a lake to clean themselves. After this dunking, the dragonflies gain altitude,
1. 1 answer
2. asked by anonymous
3. 2,504 views
Can 2 X 2 between-subject ANOVA be used if participants were from the same class and all completed the same survey?For example,
1. 0 answers
2. asked by 2-way ANOVA
3. 446 views
You drive down the road at 39 m/s (88 mi/h) in a car whose tires have a radius of 34 cm.What is the period of rotation of the
1. 4 answers
2. asked by anonymous
3. 6,145 views
Has anyone read walk two moons by Sharon Creech?
1. 9 answers
2. asked by Katie Brown
3. 774 views
Determine the quadrant in which the terminal side of the given angle lies.230°
1. 1 answer
2. asked by J.B.
3. 2,053 views
Hello,What are the different formulas for circles (radius, circumfrence, diameter, area)? Thank you
1. 2 answers
2. asked by Alexa
3. 404 views
find the volume of the solid formed by revolving the region bounded by the graphs of y=x^3 y=1 x=2 about the y-axis
1. 3 answers
2. asked by Ke$ha
3. 1,115 views
Determine the remainder for Sn where n=5 or n=9 for the following series.∑n=1 to ∞ (n^2+1)/(n^4) S5= R5= S9= R9=
1. 1 answer
2. asked by Janna
3. 392 views
Three bottles lost their labels. One contained an aqueous solution of HCl, another an aqueous solution of HNO3, and the third
1. 1 answer
2. asked by Anonymous
3. 593 views
How many different license plate number can be made using 2 letters followed by 4 digits selected from the digits 0-9a) if
1. 2 answers
2. asked by Kelley
3. 1,577 views
A possible set of quantum numbers for the last electron added to complete an atom of potassium in its ground state isa) n=4,
1. 2 answers
2. asked by Anon
3. 2,270 views
5 causes of contemporary problems
1. 2 answers
2. asked by somto
3. 372 views
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the
1. 1 answer
2. asked by Anonymous
3. 485 views
Which sentence is punctuated correctly?A. One of only two in existence today, this manuscript rarely leaves the museum's vault.
1. 6 answers
2. asked by ?
3. 603 views
The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the
1. 1 answer
2. asked by guy
3. 643 views
A circular pond of radius 4m has a path of width round it. Find the area of the path
1. 2 answers
2. asked by value
3. 1,375 views
The length of a child's square-based jewelry box is 5cm more than its height. The box has a capacity of 500cm^3. Solve a
1. 2 answers
2. asked by Zara
3. 1,755 views
how to calculate the size of cable for 40kw motor
1. 1 answer
2. asked by uluubi
3. 324 views
Solve the polynomial inequality algebraically. x^2-2x-8 ≤ 0
1. 2 answers
2. asked by Zara
3. 574 views
Three bottles lost their labels. One contained an aqueous solution of HCl, another an aqueous solution of HNO3, and the third
1. 1 answer
2. asked by Anonymous
3. 619 views
f(x)= a(x+4)(x+1)(x-2)Find a
1. 1 answer
2. asked by Zara
3. 387 views
Do all salts conduct electricity in water? Why or why not?
1. 1 answer
2. asked by Michael1
3. 436 views
12. Measure the temperature of two unknown samples with your thermometer13. Record both temperatures using the scale on the
1. 6 answers
2. asked by banna
3. 1,276 views
there are 680 coins divided into 3 piles. The second pile has three times as many coins as the first. The third pile has 50 more
1. 1 answer
2. asked by Melissa
3. 563 views
Find a Cartesian equation for the curve and identify it.r=5cscx
1. 2 answers
2. asked by Anonymous
3. 965 views
A number cube is rolled 360 times, and the results are recorded as follows: 61 ones, 26 twos, 36 threes, 76 fours, 73 fives, and
1. 8 answers
2. $\_(^_^)_/$ asked by \_(^_^)_/
3. 4,150 views
Why do states require centers to be licensed?
1. 1 answer
2. asked by Anonymous
3. 326 views
Find the distance traveled by a particle with position (x, y) as t varies in the given time interval.x = cos^2 t, y = cos t, 0
1. 1 answer
2. asked by rob
3. 1,808 views
which of the following is the best description of a reason the Soviet Union collapsed ?A) Development of the Strategic Defense
1. 11 answers
2. asked by Help Ms Sue
3. 1,609 views
Of the following, which is NOT an adaptation made by reptiles to life on land?thick, dry, water-proof skin exchange oxygen and
1. 2 answers
2. asked by SwimmerGirl
3. 904 views
A single ordered data set includes the following data. 2, 4, 5, 6, 8, 10, x. What is the largest possible value of x if it is
1. 0 answers
2. asked by todd
3. 516 views
The greatest and least resultant of two forces acting at a point is 29 kgwt and 5 kgwt respectively.If each force is increased
1. 1 answer
2. asked by Ankit
3. 606 views
The greatest and least resultant of two forces acting at a point is 29 kgwt and 5 kgwt respectively.If each force is increased
1. 3 answers
2. asked by Ankit
3. 1,039 views
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?
1. 1 answer
2. asked by Bob
3. 453 views
The weight of H2C2O4.2H2O required to prepare 500 ml of 0.2N solution isa)126g b)12.6g c)63g d)6.3g
1. 4 answers
2. asked by Deepak
3. 1,320 views
Find the speed of a point on the rim of a 24cm diameter fly wheel which is turning at 2800 revolutions per minute. Give your
1. 1 answer
2. asked by Sporsho
3. 680 views
a ballon carrying a ball is moving vertically upward with velocity 12 m/sec. when the ballon is at height 65m the ball is
1. 1 answer
2. asked by Piyush
3. 562 views
I need anyone to help me please#Cecilia travelled a distance of 24 km at a speed of 18 km per hour. She rested for 30 minutes
1. 1 answer
2. asked by kelvin
3. 450 views
answer in the box.The Students' Union need to order some pens and notebooks. How much does it cost to order 1000 pens and 2000
1. 6 answers
2. asked by Aesha
3. 4,215 views
"Dreamers" ends with the image of a man going to an office by train. Why do you think Sassoon chose to end the poem with this
1. 2 answers
2. asked by Lizy
3. 3,872 views
What is the molarity of a solution containing 1.23g of LiOH in enough water to give a final volume of 380ml?I know the MW of Li
1. 1 answer
2. asked by Raelene
3. 425 views
eleven less than, two third of the sum of twice a number and ninteen, is 95.find the number.
1. 3 answers
2. asked by alsaba
3. 888 views
The rate of U.S. per capita sales of bottled water for the period 2000-2010 could be approximated by s(t) = −0.18t2 + 3t + 15
1. 1 answer
2. asked by Amanda
3. 1,423 views
A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the
1. 1 answer
2. asked by carissa
3. 1,605 views
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?
1. 1 answer
2. asked by Bob
3. 481 views
This 3 dimensional shape has 6 faces that are triangles as well as one base that is a polygon. what is this shape?
1. 0 answers
2. asked by Bob
3. 573 views
Describe the major goals of two of the following movements: women, Latinos, Native Americans, people with disabilities, and
1. 3 answers
2. asked by Jessica
3. 798 views
Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C ), are located 2.8 cm (2.8×10−2 m ) apart.Part A Find the
1. 1 answer
2. asked by Jay
3. 793 views
I am a 3 dimensional shape whose 8 faces are equilateral triangles. What am I?
1. 1 answer
2. asked by Bob
3. 553 views
This 3-dimensional shape has 6 faces that are triangles as well as one base that is a polygon. What is this shape?
1. 1 answer
2. asked by Melissa
3. 470 views
The side of one square is equal to 1m, and its diagonal is equal to the side of a second square. Find the diagonal of the second
1. 3 answers
2. asked by Anonymous
3. 1,698 views
Point Q belongs to side AB of square ABCD. The distances from point Q to the diagonals of the square are 2 ft and 3 ft. Find the
1. 9 answers
2. asked by Allie
3. 3,993 views
Given: ABCD is a trapezoid, AB = CD,BK âŠ¥ AD (they are perpendicular , AK = 10, KD = 20 Find: BC AD I got that BC is 15 and
1. 1 answer
2. asked by Allie
3. 3,505 views
I wrote two thesis statements, which one is good. Which one should I use for my essay.1) Over the recent years, the use of
1. 5 answers
2. asked by Daniel
3. 582 views
The roots of the quadratic equationz^2+(4+i+qi)z+20=0 are w and w* I) in the case where q is real, explain why q must be -1
1. 2 answers
2. asked by Stephan
3. 580 views
Calculate the ph of a solution that is 0.2M In NH3 and 0.3M in NH4Cl we find that the acid dissociation constant ka for NH3 is
1. 1 answer
2. asked by Lana
3. 1,425 views
Explain the effects of the poor service delivery. There must evidence that i actually investigate the poor service delivery
1. 6 answers
2. asked by Angel
3. 1,468 views
If there are 10 red marbles and 30 blue, what is the probability of randomly selecting a blue marble?
1. 1 answer
2. asked by iggy
3. 566 views
A small fly wheel fitted to a motor with a moment of inertia of 80 kg m² slows down from 9000 rpm to 5500 rpm in 7.5 seconds.Fo
1. 1 answer
2. asked by john
3. 468 views
There are nine differently-titled books on a shelf. Four books have red covers, while the other five have black covers. How many
1. 4 answers
2. asked by Rob
3. 707 views
the area of a regular hexagon is given as 384√3a. how long is each side of a hexagon b. find the radius of a hexagon c. find
1. 5 answers
2. asked by darik
3. 3,338 views
An electron (m = 9 x 10-31 kg) leaves the cathode of a radio tube with zero initial velocity and travels in a straight line to
1. 3 answers
2. asked by Rohit
3. 497 views
An aeroplane starts from P and flies due west on the same latitude covering a distance of 1232KM to point T. Calculate the
1. 1 answer
2. asked by Yas
3. 560 views
sin130.tan60 ÷cos540.tan230.sin400
1. 2 answers
2. asked by reduction formula trigonometry
3. 838 views

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