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Questions Asked on July 20, 2021

how far from the centre of the earth do you need to go for "g" to be reduced to 0.5 of its value on the surface of Earth?a) 0.41
1. 1 answer
2. asked by lilian
3. 1,566 views
Suppose you wanted to model the height above the ground of the tip of the blade of a windmill over time in seconds using a
1. 1 answer
2. asked by lilian
3. 821 views
Solve the following equation and state the general solution for all values of x in exact form. Show all steps of your algebraic
1. 2 answers
2. asked by Anonymous
3. 766 views
A violin originally costs $700, but it is on sale for 15% off. If a customer buying the violin has a gift card for $60.00, what
1. 4 answers
2. asked by trump
3. 823 views
Quote the metaphor used in the toaster poem?
1. 1 answer
2. asked by ndksbsjeb
3. 469 views
Consider the multiple of 7 in between 100 and 500. What are the first term and last term? How many terms and there in the
1. 1 answer
2. asked by Preethi
3. 325 views
A Ferris wheel of diameter 16 m rotates at a rate of 0.4 rad/s and is lifted 2m off the ground. If a platform is made so
1. 2 answers
2. asked by Anonymous
3. 1,465 views
4 + 4
1. 1 answer
2. asked by king
3. 215 views
a window in one building, the angle of elevation to the top of a second, taller building is 38°. The angle of depression to the
1. 1 answer
2. asked by khalaf Albari
3. 781 views
A simple wheel and axle is used to lift a bucket of water from a well the radii of the wheel and axle are 20cm and 4cm
1. 2 answers
2. asked by ENU
3. 526 views
20g of zinc trioxocarbonate IV were heated and the residue treated with excess hcl acid . Calculate the mass of ZNCL that will
1. 1 answer
2. asked by Blessing
3. 269 views
Prove the trigonometric identity below. Show all steps algebraically(𝑥sinθ−𝑦cosθ)2 +(𝑥cosθ+𝑦sinθ)2 =𝑥2
1. 4 answers
2. asked by aleena
3. 373 views
Solve for x in the range 0<x<720 given tan x=-2.431
1. 2 answers
2. asked by Anonymous
3. 267 views
If2x - y = 3 x + y = 1 compute 8x - 7y. Please help!
1. 1 answer
2. asked by Jellii
3. 337 views
Solve and state the general solution for all values of x in exact form. Show all steps algebraically.sin^2 𝑥 − √2 cos
1. 1 answer
2. asked by steph
3. 384 views
Let f be twice differentiable with f(0)=3 f(1)=2, and f′(1)=4. Evaluate the integral ∫[1,0] xf″(x)dx
1. 1 answer
2. asked by Jake
3. 334 views
Brianna built a garden in their backyard that measured 400 cm by 400 cm and built a fence around it.Later on, they decided to
1. 1 answer
2. asked by Phoenix
3. 259 views
Two children push on opposite sides of a door during play. Both push horizontally and perpendicular to the door. One child
1. 1 answer
2. asked by john
3. 366 views
The following transformations 𝑦 = 3𝑓 (1 𝑥 − 2𝜋) − 1 were applied to the parent function f(x) = csc(x). Graph the
1. 1 answer
2. asked by Poppy
3. 874 views
An observer is 28 m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 26 m
1. 3 answers
2. asked by Noah
3. 593 views
The bottom of a large theater screen is 12 ft above your eye level and the top of the screen is 40 ft above your eye level.
1. 4 answers
2. asked by Noah
3. 1,028 views
A lighthouse stands 450 m off a straight shore and the focused beam of its light revolves four times each minute. As shown in
1. 1 answer
2. asked by Noah
3. 3,463 views
When you add sugar to it, your cup of coffee becomes not only sweet, also fattening.Which word used incorrectly in the sentence?
1. 1 answer
2. asked by Learner78
3. 1,038 views
The spring shown in the image below has an unstretched length of 3.00m, and a spring constant of 75.0N/m. The mass of m=7.50kg
1. 0 answers
2. asked by shamgod-zx
3. 299 views
There are 5 pieces of fruit in a bowl with 3 types of fruit what fraction was there of each fruit
1. 1 answer
2. asked by Fred
3. 333 views
Hello, could anyone help me out with this question?"The height of the tide on a given day can be modelled using the function
1. 1 answer
2. asked by Anonymous
3. 479 views
A positively charged Lithium ion (2 electrons, 3 protons, and 3 neutrons) is accelerated in a vacuum between two parallel plates
1. 0 answers
2. asked by Harry
3. 348 views
Select the word or phrase in the sentence that is not used correctly:The salesman recommended that he keeps his receipt for at
1. 19 answers
2. asked by Learner78
3. 1,059 views
Thermodynamic SignsDetermine the signs of ∆G, ∆H, and ∆S for the following three processes (for example, -+-,++-,+-+).
1. 1 answer
2. asked by N
3. 565 views
Spontaneity of Solid Phase ChangeTwo crystalline phases of white phosphorus are known. Both contain P4 molecules, but the
1. 4 answers
2. asked by N
3. 1,118 views
"The base of y = sin x has been transformed. It now has an amplitude of 8.6, a period of 28, a phase shift of 10 units to the
1. 2 answers
2. asked by Anonymous
3. 359 views
A 50 µC charged sphere of mass 0.050kg is stationary and 2.0 m away from a -30µC charged sphere. The 50µC charged sphere
1. 0 answers
2. asked by Anonymous
3. 332 views
In a survey of 5100 T.V. viewers, 40% said they watch network news programs. Find the margin of error for this survey if we want
1. 0 answers
2. asked by Patty
3. 374 views
In an experiment to estimate the size of an oil molecule the diameter of the oil patch was measured to be 200mm for an oil drop
1. 1 answer
2. asked by Stecy
3. 714 views
a car running at 72 km h is slowed down to 18 km/h over a distance of 40m calculate :(1) retardation produced by brakes
1. 0 answers
2. asked by Gurleen
3. 277 views
Calculate the gradient of a curve x^3+y^3-2xy=11at the point A (2,1)if r=2i+3j and 9=8i+7j.evaluate r.q and/r+q/
1. 1 answer
2. asked by Iwuoha chidinma
3. 429 views
Differentiate (x-3) (x^2+5) with respect to x
1. 2 answers
2. asked by Iwuoha chidinma
3. 280 views
the general preference of girls for act vities as drawing is believed to be?a) socially conditioned b) triggered by physical
1. 1 answer
2. asked by ron
3. 263 views
The charge for electricity consumption,E is partly constant and partly varies as the number N of unit used.the charge for 42
1. 1 answer
2. asked by Yusuf
3. 330 views
IfC is vector sim ofA and B ,C=And what must be true about the directions and magnitudes ofAandBif C=A+B?
1. 1 answer
2. asked by Tefera
3. 319 views
When calcium oxide and coke are heated in a electric furnace, the products are carbon ii oxide and calcium carbide (CaC2), write
1. 1 answer
2. asked by ALIKALIE
3. 1,245 views
Is it possible for me to study life sciences as a bridging course after matric because i want to pursue occupational therapy and
1. 1 answer
2. asked by Nerita
3. 375 views
I need a program to input age of 10 persons and output the oldest and youngest age.
1. 1 answer
2. asked by drishtee
3. 307 views

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