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Two parallel chords of lenght 24cm and 10cm which lie on opposite sides of the circle are 17cm apart.calculate the radius of the
4 answers
asked by
Peterson
2,848 views
If you change 6 m to centimeters what multiplication problem will you solve
1 answer
asked by
Pinks
329 views
Which of the following angle measures represent the measure of each of the four angles of a square 45,60,90,100
2 answers
asked by
Pinks
655 views
Solve equation in elimination method
(3a=5-1 and 3a=5a+3
1 answer
asked by
Roman
399 views
The owner of a music store received a shipment of 1,532 cds the CDs came in 37 boxes the same number of cds were in 36 of the
7 answers
asked by
Pinks
3,568 views
Fred is 10 yrs older than Ted. In 3 yrs time Fred will be 3 times as old as Ted.
Let Fred be x yrs old now. Write an equation to
2 answers
asked by
David
507 views
Determine the eigenvalues of the following matrix
( −4 1 −3 0 8 2 0 0 7 )
1 answer
asked by
Olumide desiyan
292 views
Reduce the matrix
( −4 1 0 6 1 0 −1 3 0 −3 6 9)
1 answer
asked by
Olumide adesiyan
313 views
Kris earns $47 total each month doing chores around his house his grandmother' house and his uncle house he calculates his total
6 answers
asked by
Pinks
549 views
If Kris's expenses are $9 a month how much money will kris have after 2 years I did 38 x 24=912 I subtract 47- 9
5 answers
asked by
Pinks
506 views
Cam and Dean are playing a game with counters and dice. Cam has some counters, each labelled 1 on one side and 2 on the other.
4 answers
asked by
Tanvi
579 views
Mary wants to find the area of a rectangle 1/6 by 5/6 .How many unit squares with side length 1/6 yard would mary be able to use
5 answers
asked by
Pinks
630 views
How do I write an equivalent expression to the expression below (17x 93) / (17x 97)
4 answers
asked by
Pinks
1,220 views
How can I write an equivalent expression to the expression below ( 17 x93) / ( 17 x 97
3 answers
asked by
Pinks
440 views
Help uta earns $33 each week weeding flowers bed in her neighborhood for the summer she calculates her total weekly expenses for
1 answer
asked by
Pinks
371 views
There are 12 balls in a bag, where n of them are white balls. If 2 balls are chosen at random from the bag without replacement,
3 answers
asked by
Mily
506 views
The total cost of 18 raincoats is the same as the total cost of 14 umbrellas. How many raincoats can be bought with the same
1 answer
asked by
Qi
310 views
Can someone help me please this is the passage is.Rich is building a travel crate for his dog, Thomas, a beagle mix who is about
4 answers
asked by
Pinks
1,288 views
how do you find the hypotenuse of a triangle
4 answers
asked by
Lyn
310 views
Y=3x-1
X^2+y^2=12 Then solving with quadratic equation
1 answer
asked by
Amy
405 views
x+y=5
y=2x^2-x-13
1 answer
asked by
Becky
288 views
The jade restaurant has a large aquarium on display in its lobby the base of the aquarium is 5feet by 2 feet the height of the
10 answers
asked by
Pinks
1,785 views
If the variance of the four numbers a,b,c and d is 9, then the variance of the four numbers 14-a, 14-b, 14-c and 14-d is _?
A. 5
1 answer
asked by
MilyYang
306 views
Let f(x)=3x^2-6x+k, where k is a constant. If the y-coordinate of the vertex of the graph of y=f(x) is 7, then k=?
1 answer
asked by
MilyYang
316 views
If the straight line x-y=k and the circle x^2+y^2+2x-4y-1=0 intersect at A and B, then the x-coordinate of the mid-point of AB
3 answers
asked by
MilyYang
350 views
Find the exact value of cos^2(15°)-cos^2(30°)+cos^2(45°)-cos^2(60°)+cos^2(75°)
1 answer
asked by
Bob
408 views
Alison discovered that she had spent 2/5 of her money, leaving her with £21. What amount of money did she originally possesses?
1 answer
asked by
Crystal
363 views
Solving Simultaneous equation
Y=x-2 Y=x^2+3x-5
2 answers
asked by
Becky
481 views
Hannah made 0.7 of her free throw in a basketball game.Abra made 9/10 of her free throw. Dena made 3/4 of her free throws.
Who
3 answers
asked by
Pinks
847 views
5. You have inherited an orange grove. The more orange trees there are in the grove, the fewer oranges each tree produces. When
2 answers
asked by
Hanna
640 views
find the equation of the perpendicular bisector of the line joining P(2, -4) to Q(-5,1)
A. 8y-14x 13=0 B. 8y-14x-13=0 C. 8y
7 answers
asked by
Francis
1,300 views
Question: total of 40 students in class, boys number is double of the girls number. How many boys & girls in the class?
Working
2 answers
asked by
Josh
492 views
Question: total of 40 students in class, boys number is double of the girls number. How many boys & girls in the class?
Working
1 answer
asked by
Josh
453 views
Write an expression that represents the profit for 25 pennants, 80 buttons and 40 caps.
Help? How?
2 answers
asked by
Kathlyn98
473 views
Suppose that y varies inversely with x and that y = 2 when x = 8. What is an equation for the inverse variation?
What would the
2 answers
asked by
Woody
997 views
Alison, Caitlin and Laura are sharing three bedroom two bathroom house at $900 rent per fortnight. Their weekly food bill is
2 answers
asked by
Claire
476 views
1. What is the Right Riemann Sum for f(x)=x−3 over the interval [8,11], with n=3 rectangles of equal width?
2. What is the
2 answers
asked by
S
1,046 views
In a large lot of electric light bulbs,5% of the bulbs are defective.calculate the probability that a random sample of 20 will
2 answers
asked by
Destiny
529 views
18 children in the class have brown eyes-that is 60% of the class with brown eyes.how many children are there in total in the
4 answers
asked by
Zhewar
553 views
2014 numbers are placed along the circumference of a circle. When any five successive numbers are added, the total is always 40.
2 answers
asked by
Tanvi
514 views
Find the maximum or minimum value of function and the value of x when it occurs: -2x^2+5x+5.
4 answers
asked by
Han
470 views
Make a project on frequency distribution table, histogramand polygon of preposition using newspaper cutting
3 answers
asked by
Pallavi
411 views
A person spends half if his salary on rent . 1/4 th on expenses and 1/5 th on personal. And saves 50 in the bank what is his
1 answer
asked by
Vsi
464 views
A radioactive substance decays exponentially in such a way that after 50 years, 60% of the initial amount remains. Find an
2 answers
asked by
Rish
724 views
30% of the pupils in a class are boys.there are 21 girls.how many pupils are there in the class in all?
2 answers
asked by
Anonymous
527 views
30% of the pupils in a class are boys.there are 21 girls.how many pupils are there in the class in all?
2 answers
asked by
Anonymous
503 views
Write a sentence that explains the relationship between the two numbers. 5/1/2 + 14 (5/1/2 + 14) x 1/4 . My answer was they are
3 answers
asked by
Pinks
469 views
Q1.Write the names of the two methods you use to find the HCF and LCM.
Q2.Write formula to show the relation between HCF and LCM.
3 answers
asked by
Pooja kumari
582 views
The numerator of a is 5 less than the denominator. If 1 is added to both the numerator and the denominator the fraction would be
1 answer
asked by
Naziba
404 views
I have a three digit number such that the sum of the cubes of each digit number containing the same digits. Find my number
1 answer
asked by
Akash
429 views
There is a square garden whose area is 425.5969sq.m.If from every side the length is decreased by 0.03m,then what will be the
4 answers
asked by
Akash
695 views
If a*b=2a+b such that 2*3=2(2)+3,find (i) b when 3*b=b*5
(ii) d when d*(3*d)=(d*3)*d
1 answer
asked by
Nicole
263 views
A rhombus sheet,whose perimeter is 32 m and whose one diagonal is 10 m long , is painted on both the sides of Rs.5 per m^2.Find
2 answers
asked by
Faswana
693 views
Find the derivative of y=1/x at x=1/4 Answer: 1/1/16
1 answer
asked by
Terry
329 views
At a school swimming meet, 1/3 of the pupils were boys. Given that 2/5 of the boys and 3/5 of the girls did not know how to
3 answers
asked by
Anon.
402 views
(243/32)^-1/5 ¡Á 2^-2
1 answer
asked by
Francis
271 views
The average of a,b,cis 70.the value of a is 2 more than b.the value of b is 11 more than c.find the value of a,b and c.
1 answer
asked by
Tarunima
340 views
The scale of a map is given as 1:200000.Two cities are 3cm apart on the map. Calculate the distance between them
3 answers
asked by
Parinitibasnet
603 views
Average mass of d,k,l 42 .D is 6 kg heavier than average mass of k and l .k is 6 kg heavier than l. Find mass of d
1 answer
asked by
Tarunima
403 views
Rupashi needs to get a perfect score of 100 For her last English test in this year so as to improve her average score of 84 to
1 answer
asked by
Tarunima
402 views
A ladder of length 6 m leans against a vertical wall so that the base of ladder is 2m from the wall. calculate the angle between
5 answers
asked by
faisal
1,359 views
The average mass of Ken, David and Kelvin is 42 kg. David is 6 kg heavier than the average mass of Ken and Kelvin. Ken is 6kg
3 answers
asked by
Anonymous
788 views
John, Amos and Peter shared the sum of #126 in the proportiom 1: 2: 4, find the sum of money each received.
2 answers
asked by
Salvtion c
520 views
1) -_/a^3
2) _/_/a 3) _/^3_/64a^6b^12
1 answer
asked by
Anonymous
369 views
A 10-foot tall basketball hoop is 4 feet shorter than twice the height of a flag pole.What is the height in feet of the flag
3 answers
asked by
Adiba
1,495 views
A ladder is inclined at an angle of 65degrees to the horizontal
If the base of the ladder is 15.5m horizontally from the vertical
1 answer
asked by
Joe
413 views
The random variable X has probability density function f(x)={ax+bx2 , 0<x<1 . If E(X)=0.6 , find (a)P(X<1/2) and (b)var(x)
3 answers
asked by
Lenin
1,205 views
Suppose thatthe joint density of X and Y is given by
(x,y)=e-(x/y).e(-y) ,0<x<�‡,0<y<�‡ and is o otherwise. Find P(X>1 /
1 answer
asked by
Purni
400 views
In a basket, 3/4 of the fruits are oranges and the rest are apples. After I have away 10 oranges, there are now 1/2 as many
2 answers
asked by
Jane
988 views
Bag A contains 2 white, 1 black and 3 red balls, Bag B contains 3 white, 2 black and 4 red balls and Bag C contains 4 white, 3
2 answers
asked by
Susan
773 views
In a class of 75 students,15 are above average,45 are average and the rest below average achievers.The probability that an above
3 answers
asked by
Susan
2,345 views
Your change from R50,if you spend y rand
2 answers
asked by
Wesley
475 views
A random sample of 1200 engineers included 48 Hispanic Americans,80 African Americans, and 204 females. Determine 90% CI for the
2 answers
asked by
Nithi
519 views
The following are independent samples from two normal populations , both of which have the same standard deviation ó.
1 answer
asked by
Nithi
459 views
From experience, Mr Subbu has found that the low bid on a construction job can be
regarded as a random variable having the
1 answer
asked by
Nithi
734 views
Approximate the probability that the sum of the 16 independent uniform (0,1) random variables exceeds 10.
2 answers
asked by
Nithi
512 views
If the joint pdf X and Y is given by f(x,y) = (1-e-x)(1-e-y) , for x>0,y>0
0 , otherwise Find P(1<x<3,1<y<2).
1 answer
asked by
Nithi
404 views
If the joint pdf X and Y is given by f(x,y) = (1-e-x)(1-e-y) , for x>0,y>0
0 , otherwise Find P(1<x<3,1<y<2).
1 answer
asked by
Nithi
297 views
645.7 litre of water are poured into 8 empty tanks. What is the average amount of water in each tank? Give your answer in
4 answers
asked by
Leonardo
1,044 views
Approximate the probability that the sum of the 16 independent uniform (0,1) random variables exceeds 10.
3 answers
asked by
Chit
801 views
The distribution function of a random variable is given by
F(x)= {0 , for x<-1 {(x+1)/2 , for -1<x<1 {1 , for x≥1. Find
1 answer
asked by
Rami
340 views
The mass of a truck when loaded with sand is 2875,35kg .After unloading the sand it has mass of 2010,5kg.what is the mass of the
3 answers
asked by
Kagiso sithole
459 views
The joint age of uncle tom and his brother is 60years.in 6year's time uncle tom will be twice as old as his brother was 6 years
2 answers
asked by
Tsolo tsike
955 views
Mary has 10 balls.two gumballs are yellow.how many are pink
1 answer
asked by
Ricke
325 views
The first one iswhat angle does a 3.8m ladder make with the ground, if it reaches 2.1m up the wall?
The second one is A concreter
2 answers
asked by
Tom
601 views
Diagonals of a rhombus are 6cm and 8 cm. Find the length of the side of the rhombus.
2 answers
asked by
Kirthana
1,105 views
The diagonals of a rectangle ABCD meets at O. If the angle BOC equal to 44 degree, Find other angles.
3 answers
asked by
Kirthana
497 views
Jenna invest R20000 into saving account.the interest paid in the account is 10%pa compounded mounthly.calculate how (in years)
1 answer
asked by
Promise
468 views
How would you convert 11 minutes into hours?
1 answer
asked by
Julia
325 views
A boy is flying a kite on a string 33m long. The string which is being held at 1.5m above the ground, makes an angle of 39* with
2 answers
asked by
Ryan
1,245 views
What point is the apex of a bridge?
2 answers
asked by
Chloe
822 views
ABCD is a cyclic quadrilateral.If AB=CD,prove that angle b=angle c
2 answers
asked by
Sudip
507 views
The area of pond will be decreased by 3 square feet if its length is decreased by 2 feet breadth is creased by 1 ft. its area
2 answers
asked by
T.N.
558 views
Show that the reciprocal of 3+2√2 is an irrational number
2 answers
asked by
T.N.
458 views
Find the 2 and 3 digit factors of 4396 using the numbers 1-9.
1 answer
asked by
Grace
302 views
Ratio of the radius of the cylinder to the cone is 1:2 assume their height are the same find the ration of their volumes.
1 answer
asked by
Mythily
418 views
Matt has a bag containing 12 green marbles and 8 blue marbles. Without looking, he pulls out one marbles and places it on the
3 answers
asked by
Lisa
953 views
the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total
3 answers
asked by
Sarah
586 views
Please help me,
Wendy went to a bakery to buy cakes and doughnuts. She spent $14 altogether on 30 cakes and doughnuts. Each cake
1 answer
asked by
J.Sarah
417 views
solution if x=cosec A + cos A and y=cosec A-cos A then prove that (2/x+y)sqare+(x-y/2)sqare-1=0
3 answers
asked by
Love
619 views
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