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if 13 cos a=12, find the the value of sec a+sina?
6 answers
asked by
sindi
1,845 views
A spherical water tank is 100cm in diameter. It is half filled with water. How many cubic centimetre is the water in the tank?
3 answers
asked by
Eta Archibong
583 views
I am a number less than 100 .my unit digit is 4.the sum of my digits is an odd number. My tens digit is a multiple of 3. Who am
4 answers
asked by
hffg
1,362 views
If the zero of the polynomial x2 + px +q and double of the zero of 2x2 - 5x-3 respectively find values of p and q?
7 answers
asked by
kamaraj
7,221 views
I am a 7 digit number
My tens place is 3 My lakhs place is 2 My hundreds place is twice the lakhs place My thousands place is
10 answers
asked by
Anonymous
4,744 views
manik has a sum of money ,he saved 1/4 of it and spent 4/9of the remainder on a bike;
1-what fraction of his money was spent on
2 answers
asked by
chirag
730 views
Sam wants to build a wooden deck on his patio, which is in the shape of a parallelogram. The area of the patio is 280 ft2. Find
6 answers
asked by
zoe
3,956 views
The minute hand turns through __________ degrees from the digit 2 to 11 on a clock
5 answers
asked by
varun
1,896 views
A boat sails 50km on a bearing of 070degrees.
How far east does the boat travel?
3 answers
asked by
ASB
1,578 views
Determine the 10th and 21st terms of each of the arithmetic sequences: 4+7x; 5+9x; 6+ 11x.......
3 answers
asked by
moipone booysen
445 views
Use a graphing utility to approximate the solutions of the equation in the interval [0, 2Ï€). (Round your answers to three
4 answers
asked by
jass
3,386 views
two poles 6m and 15m tall are 20 m apart a wire is attached to the top of each pole and is also staked to the ground some where
5 answers
asked by
Dd
2,767 views
if the geometric mean of two numbers x and y is 6 find the geometric mean of the four numbers x,y,9x,9y
4 answers
asked by
john
449 views
A vendor has some eggs.4 eggs were broken. Half the remaining were sold out. In that 30 eggs were remaining at the end of the
4 answers
asked by
Logeshwari
1,239 views
If 2/3 part of a number is greater by 4 than 3/5 of it. then the number is
4 answers
asked by
Bala
954 views
determine the amount of each ordinary simple annuity. deposits of $2550 for 7 years at 9.7% per year compounded annually
Search
3 answers
asked by
peace
941 views
on monday. Anna read 25% of her book.On Tuesday, she read 30%of her book.On Wednesday she read 25% her book.On Thursday she read
4 answers
asked by
Oyama Mandindi
1,425 views
a map has a scale of 1cm:4km
if one measurement of the distance of the room on your map is 8 km what measurement will it be
4 answers
asked by
jayden
1,512 views
A primary school is planning to hold a fete, but needs help in figuring out how much to charge for entry. they intend to have an
3 answers
asked by
lisa
696 views
P and Q are subsets of the universal set U defined as
U={x:x is an integer and 1<x<15} P={x:x is odd} and Q={x:x is prime} Find
4 answers
asked by
Anonymous
1,689 views
All Salesman in the is junk store receive dollar 260 Per week plus a 2 Commission If you sold dollar 1975 worth junk in a week
4 answers
asked by
sysjns
586 views
out of 40 students,14 are taking english and 29 are taking chemistry.if 5 students are in both classes,how many are in neither
7 answers
asked by
OBIRI
4,640 views
Find the length of the parallels of latitude 42 degree north
4 answers
asked by
Anonymous
747 views
A 40 m deep well with radius 3.5 m is dug and the earth taken out is evenly spread to form a platform of dimension 28 m by 22 m.
3 answers
asked by
jovani
629 views
mary is now four times as old as her daugter.Four years ago the product of their ages was 40.Find present ages.
4 answers
asked by
Anonymous
1,062 views
On leaving Trinidad, the time on a pilot watch was 23:00h. When he arrived at his destination in the same time zones on the next
5 answers
asked by
kimoya
2,148 views
Three litres of water 1g/cm^3 is added to twelve litres of alcohol density 0.8g/cm^3.What is the density of the mixture?
4 answers
asked by
lucy
1,352 views
The angle of elevation of the top of a tree from a point P on a horizontal ground is 30°.From another point Q 8 metres from the
7 answers
asked by
lucy
829 views
A rectangle measures 20 cm by 15.If each dimension is increased by 2.5cm,by what percentage is:a)the perimeter of the rectangle
4 answers
asked by
lucy
880 views
A farmer owns a field with an area of 0.04 km2. The farmer buys another field with an area of 45,600 m2. What is the total area
5 answers
asked by
marshel
822 views
A quadratic curve passes through the points (-2,0)and(1,0).Find the equation of the curve in the form ax^2+bx+c,where a,b and c
4 answers
asked by
Lucciana
814 views
I have 30 coins consisting of 5c coins and 20c coins. The total value of the coins is $3.45. How many of each kind do I have?
som
4 answers
asked by
sum1
1,754 views
Yash designs and builds handmade wooden furniture. He is designing a new box to
have a volume of 48 cubic feet. All the boxes he
4 answers
asked by
kumar
1,062 views
i am more than 1/4 my numerator is greater than 1 i am more than 1 half my denominator who am i
2 answers
asked by
isabelle
202 views
The smallest positive integer value of n for which 99 n is a multiple of 24
6 answers
asked by
mary
1,994 views
2. The scale used in this restaurant plan is 1:100. The square grid paper used consists of 10mm by 10mm squares. Do you know
3 answers
asked by
marco
354 views
3 divided by 13/4
3 answers
asked by
zainab
81 views
a ball is dropped from a height of 40cm onto a horizontal surface and bounces in a vertical line until it eventually stops on
3 answers
asked by
Emma
566 views
the straight line l1 has equation y=2x+3
the straight line l2 is parallel to l1 l2 passes through the point (3,2) find an
3 answers
asked by
alex
2,143 views
solve the following simultaneous equation:
5x+2y=29 x-y=-4 2x-y=-1 3x-y=2 5x+y=16 x-2y=1 5x+2y=16 -3x+4y=-7 3x+2y=19 5x-2y=5
2 answers
asked by
JERMAINE
2,048 views
The probability that Richard beats John at badminto is 0.7. The probability that Richard beats John at sqaush is 0.6. These
3 answers
asked by
nabiha
672 views
z = x-y+4
z = y-w-3 z = w-x+5 Based on the system of equations above, what is the value of z? a) 2 b) 3 c) 4 d) 6 e) 12
3 answers
asked by
Abby
553 views
karen decorated her mother's birthday cake. one-third of candles are pink, three-eights are yellow, one-quater are blue and the
3 answers
asked by
tia
647 views
two cyclists go around a race track repeatedly. the first cyclist takes 105 seconds to complete a circuit. the other cyclist
1 answer
asked by
tia
611 views
A ball is launched into the air from below a cliff. after t seconds its height above the cliff top is h metres, and is given by
3 answers
asked by
elizabeth
998 views
A bond with face value of $500 redeemable at par in 13 years time, is paying interest at j2 = 9.0%. Find the purchase price of
2 answers
asked by
k
435 views
i am divisible by 8 and9.i am a three digit multiple of 10. i am between 200 and 700.
4 answers
asked by
hannah
494 views
express [3/7]+[4/8]+[5/9]+[6/10] in sigma notion.
4 answers
asked by
Geoff
311 views
A circular pool has a diameter of 3m and is filled to a depth of 70cm. Mr Thorne climbs into the pool and submerges for ten
1 answer
asked by
Anonymous
464 views
write an equation of line parallel to y axis and passing through (-2, 7)
3 answers
asked by
Ngo
766 views
Formalize the following english statements as quantified WFF.
Let S(x) be the predicate "x is a student," B(x) the predicate "x
3 answers
asked by
tammy
647 views
Trigonometry query. ABC is a rightangled triangle. AD is the bisector of angle BAC. Angle DAC = 15 degrees. X = CD. find X. I
2 answers
asked by
jane
610 views
A psychological test was given to 92 teenage boys and 68 teenage girls. The test was used to assign a score to each teenager,
1 answer
asked by
olek
433 views
A sequence is defined by
un = 2×(−0.5)n + 3 (n = 1,2,3, . . .). Choose the option that best describes the long-term behaviour
3 answers
asked by
albert
524 views
A liter of orange fruit drink contains 22% orange juice. How many millimeters of orange juice must be added to produce a mixture
4 answers
asked by
Anonymous
2,685 views
calculate the surface area of the following prism
cuboid; 2cm 6cm 4cm what is the surface area of the cuboid
4 answers
asked by
molly
2,715 views
ben bought a car for £12,000
each year the value of the car depreciated by 10% what is the value of the car 2 years after he
4 answers
asked by
holly
1,596 views
factorise a^12x^4-a^4x^12
2 answers
asked by
pavatharani
790 views
an isosceles triangle is such that each of the base angles is twice the vertical angle. Find the angles of the triangle
3 answers
asked by
ferjam
1,083 views
A swimming pool has two identical sides in the shape of a trapezium.
All other sides are rectangular. The length of the pool is
3 answers
asked by
lissa
648 views
what is a dual intercept method and how is it applied?
5 answers
asked by
Karabo
2,471 views
the outer edge of a circular track is 440 m long.if is widened by 5m all around,find the cost of widening it at rate of 8 rs per
4 answers
asked by
prashita
1,702 views
the sum of the 4th and 6th terms of an A.P is 42. the sum of the 3rd and 9th terms of the progression is 52. find the first
5 answers
asked by
festus
2,221 views
Find the equations of the tangent from the origin to the circle
x^2+y^2-5x-5y+10=0
4 answers
asked by
salome
527 views
If I am a proper fraction with a denominator of 20 and my decimal equivalent is 0.6 then what am I
3 answers
asked by
jade
522 views
During a trip, Sally spent 1/4 of her money on some clothes. She also spent 1/3 of the remaining money on a bag. She then bought
3 answers
asked by
ssssss
760 views
in a town 11/23 are males, 17/46 are females and rest are children . what portion of the total population do the children
3 answers
asked by
Anonymous
379 views
Prove that (2√3+3)sinx+2√3cosx lies between -(2√3+15) and (2√3+15)
3 answers
asked by
krishan
2,244 views
How much would you need to deposit in an account now in order to have $20,000 in
the account in 4 years? Assume the account earns
4 answers
asked by
colin
1,611 views
At a certain time of the day a post, 4m tall, casts a shadow of 1.8m. What is the angle of elevation of the sun at that time?
3 answers
asked by
josh
691 views
prove that tan(45+theta)+tan(45-theta)=2sec2theta
3 answers
asked by
tina
3,152 views
if alpha and bita are the zeros of polynomial p(x=3xsquare+2x+1,find the polynomial whose zeros are 1-alpha/1+alpha and
3 answers
asked by
Anonymous
712 views
the 1st term of an ap is twice the common difference find in terms of the 5th term of the ap
4 answers
asked by
d 1st term of an ap is twice the common difference find in terms of the 5th term of the a
1,263 views
the 8th term of an a.p is 37 and 12th term is 57 .find the a.p
please help this questions .please help.
3 answers
asked by
simranpreet
2,819 views
sita and gita start walking from the same point on the road but in opposite directions.if sita walks at the speed of 5km/h and
9 answers
asked by
Anonymous
3,035 views
A box contains 12 bulbs with 3 defective ones. If two bulbs are drawn from the box together.what is the probability that
a)both
4 answers
asked by
minte
829 views
solve 2x+3y=13 with 4x+5y=23
4 answers
asked by
aisha
2,107 views
if the LCM of first 20 natural numbers is X, then what will be the LCM of first 25 natral numbers
4 answers
asked by
Meenakshi
792 views
The position vector of the point A(3,4) relative to an origin O is a. (a) Express vector a or (OA) in terms of i and j. (b) Find
3 answers
asked by
Shane
799 views
the third common multiple of two number is 60.find the lowest common multiple of the numbers
4 answers
asked by
mamita
573 views
The maximum temperature on Thursday was 18 degree celsius.On Friday it increased by 0.5 degree celsius. It further increased by
3 answers
asked by
kaksha
467 views
If one of the root of the quadratic equation ax^2 + bx +c =0 is three times the other, show that 3b^2 = 16ac
4 answers
asked by
Jayden Haddy
3,088 views
A rectangle is of length 8 inches, breath 11 inches and thickness 2 inches. When it is shaped to a cylindrical rod with the
4 answers
asked by
Anonymous
1,224 views
in the binomial expansion of (1+x/k)^n, where k is a constant and n is a positive integer, the coefficients of x and x^2 are
3 answers
asked by
mutinta
1,152 views
a flagpole cast a shadow 18m long when the altitude of the sun is 54 degrees.what is the height of the flagpole
4 answers
asked by
michelle
1,111 views
Alan is using matchsticks to make isosceles triangles. Isosceles triangles have at least two sides the same length.How many
3 answers
asked by
LARA
629 views
an aeroplane takes 40 minutes less to fly 3600km with the wind blowing at 30 km/hr than the time it takes to fly against the
4 answers
asked by
minni
1,691 views
2y x (-28)=48
4 answers
asked by
mirage
410 views
i spend $4.80 on groceries and $1.20 on vegetables.what is the ratio of cost of (A)groceries to veg
(B)veg to groceries
7 answers
asked by
krissy
2,727 views
john,peter and mary shared a sum of money in ratio 2:4:9.john and peter together received $360.how much money was shared?plz to
7 answers
asked by
krissy
5,189 views
Shannon wishes to make a deposit. She has these bills: 4 ones, 2 fives, 3 tens, and 2 twenties. She has 6 nickels, 10 dimes, and
4 answers
asked by
Anonymous
2,920 views
the line passes through the points s(6,6) and T(0,-2) determine the gradient of the line
the equation of the line the midpoint of
4 answers
asked by
shanise
2,820 views
i needhelp!!!
how do you find the surface area of a cake that has a piece cut out?????
4 answers
asked by
Sasha Kapadia
908 views
An aircraft dropped a box of emergency supplies to a group of trampers. The height of the box above the ground, h, at time, t is
1 answer
asked by
Shane
464 views
ABCDE is a Pentagon with BE parallel to CD and BC parallel to DE. BC is perpendicular to CD. if the perimeter of ABCDE is 21cm.
7 answers
asked by
geometry
5,708 views
factorize completely X^2 + 2X^2 - 15X / 2X^2 - 18
3 answers
asked by
Francis
843 views
Three typists working 8 hours a day type a document in 10 days. If only 2 typists are working, how many hours a day should they
4 answers
asked by
manavi
2,839 views
if the angle of elevation of a tower from a distance of 100m from its foot is 60*, then the height of tower is
4 answers
asked by
abhinendra
822 views
A triangular section of a design must have an area of 1.84m square. If the height has to be 1.6m, what’s the base length?
2 answers
asked by
zeebuddy
617 views
in a group of 60 children 31 speak French 23 speak Spanish 14 neither French nor Spanish find the number of student who speak:
(a
6 answers
asked by
amrita
1,877 views
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