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math
Questions and answers by visitors named
math
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Questions (557)
the average weight of men in a meeting room is 170 pounds, and average weight of women is 130 pounds. if more than 60% of the
3 answers
566 views
f(x) = abs(x-8) / x+8
how would the graph look like for this equation?
1 answer
369 views
Find the slope of the tangent line at (8,8) for the function (16-x)y^2=x^3
Round your answer to two decimal places.
3 answers
735 views
The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30 - day period. Estimate the
5 answers
1,265 views
Find the area of the shaded region.
View the graph and image at: postimg.o rg/image/dg4kt89v1/ Please help me explain this one. I
1 answer
457 views
The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30 - day period. Estimate the
2 answers
701 views
a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he
1 answer
470 views
In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears
1 answer
365 views
Sam needs 15 dozen gingerbread cookies. he bakes 2 dozen the first day, 4 dozens the next day, 6 dozens the day after that and
3 answers
474 views
In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears
4 answers
1,352 views
a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he
2 answers
755 views
all
3 answers
454 views
At the school carnival popcorn was given out in paper cones like the one
shown(3-diameter and 5 being the height of the cone).
3 answers
489 views
the sine of an angle is 0.6. the constraint is the angle lies in quadrant II.
how do I figure out what x is to solve the six
4 answers
1,483 views
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will
2 answers
517 views
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will
3 answers
498 views
1. A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36’ by 8’ and the
5 answers
1,955 views
What fraction of 4/5 is 1/2?
1 answer
407 views
I just wanted to know how to do:
What fraction of 4/5 is 1/2?
1 answer
312 views
Write .4(5) as a fraction.
The parenthesis represent it as a repeating decimal: .455555555555555555555 But what is it in a
5 answers
497 views
Use a calculator to find the approximate value of sin-1( 0.635).
2 answers
1,035 views
the sum of the least and greatest integer is 35 more than the middle integer
3 answers
504 views
the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the
4 answers
1,165 views
Two station astronauts will each perform three 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a
4 answers
600 views
i need help can someone explain how to do this
X+3+2x=X+35X what is the answer or can someone help me?
3 answers
322 views
x + 3 + 2X =X+3
can someone help with this?
1 answer
272 views
Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?
3 answers
452 views
I need help with two questions,. they both have attachments. is there another program where someone can come on and help me
4 answers
279 views
given A(a,2) B(3,4) and C(-2,1). if A is at the same distance to the points B and C. Find a
1 answer
464 views
In a camp ,there is a meal for 120 men or 200 children . if 150 children have taken the meal, how many men will be catered to
1 answer
400 views
An engineer sees that the angle of elevation to a vertical tower is 45 degrees. When he moves 40 feet closer to the tower on the
1 answer
406 views
Please help me to solve this:find the equation to the circle circumscribing the quadrilateral formed by the straight lines, 2x
2 answers
549 views
In the given figure, ABCD is a trapezium where AB // DC. P & Q are the midpoints of AC & BD. Prove that:
Vector PQ= 1/2(Vector AB
1 answer
383 views
how many different numbers of 8 digits can be formed from the digits 0,1,2,3,4,5,6,7 that are divisible by 5?
1 answer
328 views
in 1996, sharon that spent 189 days in space that is longer than another astronaut. how many weeks was she in the space .
3 answers
402 views
A bag contains Six blue and 4 red balls ,3 balls are drawn at random with replacement what is expected no of red balls that can
1 answer
407 views
find the area of right traingle of base 1.2m and hypotenuse 3.7.
3 answers
397 views
A parking garage is changing its parking fees for a week long festival. The function below represents the cost to park in the
1 answer
418 views
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks.
C
7 answers
1,076 views
The ratio of the ages of ramu and his sister is 3:4 . If the age of his sister is 36,how old is ramu?
4 answers
1,359 views
There are 6 students in a club. For a certain activity, 4 of the students need to form a separate group. How many ways can this
1 answer
450 views
a die is rolled in such a way that even faces are twice as likely to occur as the odd faces. what is the probability that a
4 answers
636 views
An art teacher had a total of t markers. He gave an
equal number of markers to each of 18 students and had 16 markers left over.
3 answers
736 views
6 red balls and 5white total 20balls how many yellow balls find probility
1 answer
337 views
a1=1 ,an=3an-1+2 for n>2
3 answers
2,486 views
$6300 is invested, part of it at 11% and part of it at 77%. For a certain year, the total yield is $565.00.
2 answers
621 views
Different ways of arranging 72 books in equal piles
4 answers
896 views
how much bigger than -9 is -1
1 answer
265 views
the product of the factors of 6
1 answer
283 views
The area of a triangle with sides 10,10,12 is __ sq. units.
1 answer
380 views
For a trapezoid, the following formula relates the area A, the two bases a and b, and the height h.
A=(a+b)2hA=(a+b)2h Solve for
4 answers
1,612 views
The formula for the perimeter of a rectangle is P=2(l+w)P=2(l+w).
Solve for w. w=2P−lw=2P−l w=p2−lw=p2−l w=p−l2w=p−l2
4 answers
1,908 views
You have a sample of a certain radioactive substance. After two days, thirty percent of the sample has decayed. What is the
1 answer
472 views
Use the figure to answer questions 1-3
file:///C:/Users/Student/Downloads/642756-212012-25329-PM-1227809791%20(1).png 1. Name a
3 answers
927 views
Can someone please tell me what is the percentage of 19.24 from 14.00? I would like someone to give the formula of solving this.
1 answer
317 views
1.one more than 3 tens
2.one less than four times five 3.five added to six 4.successor of 28 5.two more than two times tens 6.the
2 answers
559 views
solve y=0.04x^2+8.3x+4.3
2 answers
541 views
Differentiate s=(2-t)^2 with respect to t
1 answer
346 views
Write y to the power of -4 as a power with only positive exponents.
Thanks need help on this question
1 answer
350 views
Debra has $67 loonies and toonies. If there are 45 coins in total, how many loonies are there
4 answers
406 views
32-q+0.25q=15.50
Can someone explain how to solve this?
7 answers
442 views
The cost of 1lb of strawberries is a dollar more than the cost of 1lb of grapes. If ms. A bought 2lbs of strawberries and 5lbs
1 answer
441 views
the circumference of s sphere is measured to be 10 cm with an error of 0.4cm.the this radius is used to calculate the area and
1 answer
477 views
Chris has a square garden with an area of 38.4m^2. He decreases the length of each side by 1.7m to make a smaller garden. What
3 answers
1,105 views
13. solve the equation
4 2/5x = 12 1/10 A.7 7/10 B.2 3/4-My Answer C.2 1/2 D.4/11 Please help!!!
5 answers
614 views
it took 12 gallons of gas to fill the family car this is 5/6 the amount that the tank can hold how much gas can the tank hold?
A.
10 answers
2,019 views
mikes truck engine holds 1 1/4 gallons of oil if there are 3 quarts of oil in the engine now how many more quarts of oil does
6 answers
2,180 views
im not that good at geometry i need some one to check this for me
XY bisects AB at point g which of the following is true about
3 answers
632 views
Find the function rule
(-2,9) (-1,4) (0,-1) (1,-6) (2,-11) I think the function rule is you subtract 5 from the y as you go on.
3 answers
641 views
Pat has 4 1/2 feet of fabric each piece is 9 inches how man pieces can pat cut
3 answers
460 views
Which answer best completes the following sentence?
Two advantages of a confederation are that it ______ and ______. A: prevents
3 answers
1,872 views
Both antibiotics were prescribed in high dosage slow release capsules. The function C(x)= 5log(x+1) + 10 models the
2 answers
1,197 views
There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that
4 answers
1,361 views
Triangle abc is similar to triangle def, de=4, ab=x, ac=x+2, df= x+6
What does length ab equal?
6 answers
1,378 views
line y=3x-1 is transformed by a dilation with a scale factor of 2 and centered at (3,8). The line's image is
Line MN is dilated
3 answers
2,890 views
How many ways can 3 students be chosen from a class of 16 to represent their class at a banquet?
3,360 1,680 1,120 560 I think
3 answers
649 views
please simplify s^3/(6s^2 ) for me please urgent cant understand
r give me the steps to simplify
2 answers
503 views
some money is shared between Ali,Ben & Carl in the ratio 5:3:2.Ben receives $60.How much money is shared?
4 answers
2,060 views
Find all solutions of the equation
sec^2x-2=0. The answer is A+Bkπ where is any integer and 0<a<π/2
4 answers
3,396 views
find the exact value of the expression:
6tan^2(π/4)+18sec^2(π/4).
3 answers
447 views
Expand 3cos(12a) using a double angle identity in terms of sines.
1 answer
433 views
Expand cos(50°) using a double angle identity
2 answers
856 views
Find the EXACT value of sin(2A) if cscA=5/4
Assume A is a Quadrant I angle in standard position. sin(2A+=
2 answers
571 views
Find the EXACT value of cos(2A)
if angle A is arctan(12/5). cos(2A)=
1 answer
424 views
Find the EXACT value of sin(2A) if cscA=5/4
Assume A is a Quadrant I angle in standard position. sin(2A)=
3 answers
1,086 views
Given the vector a=<9,10,90>
Find the unit vector in the same direction in component form
2 answers
689 views
3x^2+3y^2-12x-30y+84=0 is the equation of a circle with center
(h,k) and radius r For: h= k= and r=
4 answers
643 views
Find the parametric equations of a circle centered at the origin with radius of 4 where you start at point (-4,0) at s=0 and you
3 answers
869 views
a carton has a length of 2 and 1/6 feet, width of 1 and 1/5, and hight of 2 and 1/2 feet. what is the volume of the carton
4 answers
1,623 views
A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 7%
4 answers
1,678 views
Six hundred people attended the premiere of a motion picture. Adult tickets cost $12, and children were admitted for $9. If box
2 answers
506 views
An algebra student has won $500,000 in a lottery and wishes to deposit it in savings accounts in two financial institutions. One
1 answer
498 views
In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 9 ounces of a 20% glucose solution. When
1 answer
877 views
f(x) = 6x^2 + 7x − 20
Find the maximum or minimum value of f(x). (Round your answer to two decimal places.)
2 answers
737 views
A college student receives an interest-free loan of $10,200 from a relative. The student will repay $200 per month until the
4 answers
1,702 views
Find the standard equation of a parabola that has a vertical axis and satisfies the given conditions.
x-intercepts −1 and 7
2 answers
818 views
How long will it take to double your money if you earn 5%, compounded continuously?
3 answers
506 views
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 500 feet. Determine the flag's length
2 answers
1,124 views
Given the parent function, y=2^x, write an equation for a function that has a vertical shift down 5 units.
2 answers
514 views
What is the first step in solving the linear system
{2x − 3y = 11 {−x + 5y = −9 by the substitution method in the most
4 answers
2,236 views
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