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math
Questions and answers by visitors named
math
Questions (557)
Onix cuts two similar triangles out of cardboard. What is the length in units of the left side of the top triangle when the
2 answers
90 views
A circular track is 1000 yards in circumference. Cyclists A, B, and C start at the same place and time, and race around the
7 answers
asked by
math
7,423 views
can someone help me with Lesson 9: Integers and Algebraic Expressions Unit Test for connection academy help plz
60 answers
8,908 views
Graph the image of C(
– 3,0) after a rotation 180° counterclockwise around the origin.
4 answers
881 views
Use the image to answer the question.
An illustration showing two cubes joined on both sides of a cuboid. The sides of the cube
1 answer
30 views
Use the image to answer the question.
An illustration shows an equilateral triangle with each side measuring 6 centimeters. The
1 answer
18 views
can a refrigerator that is 31.5 cubic feet fit in a space that is 31 cubic feet?
1 answer
16 views
Use the image to answer the question.
An illustration shows an inverted U-shaped structure made up of three rectangular prisms.
2 answers
43 views
The line plot below shows the heights of players on a basketball team.
A line plot named "Basketball Team Heights" shows a number
1 answer
30 views
by how many order of magnitute is the speed of light greater than the average speed of grey sound? Rose Diamond when he set the
1 answer
551 views
(4-y^2)/(y-2) = y/2
(4-y^2)/(y-2) = y/2 4 - y^2 = (y*(y-2))/2 4 - y^2 = (y^2-2y)/2 8 - 2y^2 = y^2 - 2y 3y^2 - 2y - 8 = 0 (keep
1 answer
377 views
which one is better?
In my opinion, for a high school student, Don Quixote reads better.
1 answer
384 views
the price of is 150/m3. the price is raisd by 10% each year. wat will the price of oil be at the end of two years?
what is 1.1^2
1 answer
462 views
okay so the question is:
A unit circle center at the origin undergoes a series of transformations. The equation of the resulting
1 answer
699 views
How do I change a fraction to a percent? Like 9/15 to a percent for instance.
put 9/15 in your calculator and hit equals
1 answer
487 views
equation of the normal to the graph of f(x)= x/2x-3
1 answer
382 views
The capacity of an elevator is either 15 children or 11 adults. If 8 children are currently in the elevator, how many adults can
3 answers
1,248 views
suppose you have a pipe with circumference of 8 cm and length equal 3 cm and that 10 turn of a wire are wrapped about the pipe.
3 answers
510 views
What does the shape of a treasury bond yield curve tell you about expected future inflation?
1 answer
357 views
create a 3 d shape that has two pickels
3 answers
330 views
help me solve these problems please
1 1/2 - 3 2/5 + 8/15 - 2 2/3 (-4 7/12) - (-3 2/3)- 1 /24 + 2 5/8 -3 1/2 - (- 1 5/6) + (-1
1 answer
373 views
Convert:
2.7x10^-3 kg/cm^3 to kg/m^3 0.81 g/cm^3 to kg/m^3
3 answers
1,175 views
A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar
4 answers
1,123 views
(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time,
2 answers
784 views
a student has an avg of 57%. he has 2 test left which was are both worth 5% and 1 assigment worth 1 %. he also has 1 one big
2 answers
604 views
solve the equation for x using the quadratic formula:
3x^2 + 8x + 1 = 0 Work: I tried factoring it, but I can't do it. (3x + ?)(x
4 answers
662 views
Find the measures of two supplementary angles m and n
m=6x+3 n=2x-7
1 answer
400 views
write a sequence for the rule.
1. a - 4 = b 2. a +(2-1) = b 3. a - (3-3)= b 4. a +(4 - 3) = b 5. (a + 2) - 2 = b 6. (a + 4) - (2
1 answer
288 views
What is the area of the largest rectangle that can be placed in a 5-12-13 right triangle (as shown)?
1 answer
421 views
find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line.
For the vertical
2 answers
899 views
How do i find the points of inflection for: f(x)= (1/12)x^4 -2x^2 +15
The answers are (2, 25/3) and (-2, 25/3) but i don't know
2 answers
511 views
I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how
1 answer
643 views
I have to do a lot of homework problems like this but I do not really understand how to do any of them. Can someone show me how
1 answer
451 views
Let (AB) and (CD) be 2 parallel lines by a transversal at E and F respectively.The bisector of AEF and BEF cut (CD) at M and N
2 answers
654 views
can someone please help me solve this problem with the steps.
A small can of juice contains 16 fl oz. A large can has twice the
1 answer
950 views
-1x>-5
_ _ 8 16 help
1 answer
231 views
the permeter of a rectangle is 148 inches the length exceeds the width by 52 inches find the length and width..
4 answers
893 views
what is higher 50 mL or 5 L?
7 answers
296 views
What is the capital of the state that shares its long southern border with Texas?
6 answers
523 views
3x+4Y=13 (2,7)
1 answer
272 views
does the series 1/n from n=0 to infinity converge or diverge? what convergence test is this?
1 answer
436 views
�ã(x+9)= -9
1 answer
209 views
Help! How do I complete these magic squares! They're taking me FOREVER!
In magic squares, certain numbers have to add up to a
3 answers
749 views
A research article included the following table:
Mean Score on Four Questionnarie Scales Before and After the Experimental
1 answer
406 views
A research article included the following table:
Mean Score on Four Questionnarie Scales Before and After the Experimental
2 answers
880 views
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to
3 answers
703 views
Okay, write the expression or inequality.
: the difference of a number z and 11 is equal to 35 How would I do that? please
4 answers
513 views
The point (0,1) has the distance ____, from the line defined by y=-2x-1
How do you solve this? I tried the pythagorean theorem
2 answers
481 views
You build a box that is 4 feet long, 5 feet wide, and 8 feet high. The distance from the top left front corner to the top right
2 answers
871 views
hi
im totally blanking how do i find the antiderivative of cos(0.5(x^2))? thanks!
1 answer
379 views
Right answer?
15(x^2+3x) + 7(x^2+3x) - 5(x^2+3x) 15x^2+45x+7x^2+21x + 5(-x^2-3x) 15x^2+45x+7x^2+21x-5x^2-15x 17x^2+51x
2 answers
537 views
k so question is one you have all answered previously, 3 different forces acting on a single mass, in north south and east
5 answers
497 views
I have 7 12 feet of rope and my friend has 3/10 of what we . need to make a jump rope hang up in our back yourd
2 answers
1,102 views
a moving van's load changes from 1000 pounds to 800 pounds after delivering an appliance. What is the percent of decrease
1 answer
157 views
solve for the equation 81^2x+1=3^4
1 answer
267 views
/6x^2=2-x
/=radical sign
1 answer
317 views
solve for the equation |x-3x+5|=7
1 answer
285 views
solve for the equation 4[(2b+5)/(b+4)]=0
1 answer
287 views
/6x^2-2=2-x
/=radical sign
4 answers
297 views
/6x^2-2 = 2-x
/=radical sign
1 answer
305 views
2x/x-4 + 4/x-3 = 8/x^2-7x+12
1 answer
292 views
1/x+2 - 2/x+3 = 3/x^2+5x+6
1 answer
240 views
i only need help on these two that's it so please help me(step by step if you could)
1)1.5x-2.5y=8.5 6x+30y=24 2)3x-2y=8 x+3/2y=8
1 answer
322 views
The sum of 4 consecutive odd integers is -104. Find the integers with x for unknown numbers.
4 answers
1,899 views
how can i use the numbers 9 9 9 and 13 to make 24??
3 answers
829 views
how do you solve x+2y=17 and 3x+6y=-5 to find out how many solutions it has?
1 answer
367 views
how do i solve this
2 ln(x-3)= ln(x+5) + ln4
3 answers
533 views
I've got a question. how do i solve this
p(t)=25-25e^-3(1)
1 answer
416 views
how would you solve this problem
cos(theta)/2=1/6
1 answer
263 views
Mrs. Baker has to choose 2 students to lead the class field trip. If she draws from a list of 6 boys and 6 girls, what is the
4 answers
601 views
an airplane is flying at 550 km/h on a heading of 080. the wind is blowing at 60 km/h from a bearing of 120. Find the ground
2 answers
1,217 views
you a framing a picture that is 5 in by 7in. with a 1 inch wide frame. find the perimeter of the outside edge of the frame.
5 answers
1,942 views
An investment is made at an annual rate of 9.71% compounded monthly, determine the number of months required for your investment
1 answer
365 views
If you invested 5,250 dollars at an annual rate of 6.64% compounded monthly, determine the value of your investment after 11
1 answer
361 views
An investment is made at an annual rate of 9.71% compounded monthly, determine the number of months required for your investment
3 answers
379 views
Determine the annual interest rate r required for an investment with continuous compound interest to yield an effective rate of
1 answer
366 views
At 3a.m., there is a colony of 736 bacteria, and it is growing at a continuous hourly rate of 10.77%. How many bacteria are
1 answer
513 views
Suppose that you invested $1,442 at the annual rate of 4.60% compounded continuously, and your friend invested $885 at the
1 answer
433 views
(TEMPERATURE CHANGE) The rate at which the temperature of an object changes is proportional to the difference between its own
9 answers
1,076 views
what is dimensional analysis and how does it work?
3 answers
789 views
(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it
directly over a
2 answers
652 views
can u help
this the qustion is : A circle passes through the points (1,4)&(5,0) and its centre lies on the line x+y-3=0.Find (i)
2 answers
662 views
(3/x)^2 how to find the derative of this fraction. having trouble with getting the answers. i need a walkthrough...
2 answers
632 views
2. Solve this equation: 80 = 3y + 2y + 4 + 1.
A. y = –15 B. y = 1/5 C. y = 75 [D. y = 15] i don't realy know if that is correct
2 answers
610 views
A rectangular garden of area 75 sq ft is to be surrounded on 3 sides by a brick wall costing $12 per foot and on one side by a
6 answers
3,167 views
Foggy optics, inc. makes laboratory microscopes. setting up each production run costs $2500. Insurance costs, based on the
3 answers
1,595 views
Tristan is having a birthday party. He doesn’t want anyone less than 10 years old to come to his party. If y equals age in
1 answer
380 views
Find the unknown value in the following equation:
y ÷ 10 = 6 A. 6 B. 60 C. 600 D. 6,000
3 answers
309 views
Penelope is having a party for her friends. She invited ten friends and seven have said they will come. Three of Penelope’s
1 answer
481 views
Richard invited 6 friends to go skating. Of those 6 friends, there are twice as many boys as girls. How many girls were invited
1 answer
445 views
a cat toy costs 5 dollars.how many 5 dollars cat toys can a person by with 3,000,000?
1 answer
317 views
Tristan is having a birthday party. He doesn’t want anyone less than 10 years old to come to his party. If y equals age in
2 answers
1,108 views
Mary's test grades were 77, 85, 77, 82, and 80. Mary's teacher recorded one of her grades incorrectly. Instead of an 85, Mary's
1 answer
429 views
The perimeter of a rectangle garden is 80m oits length is 4m more than 5 times its width, find the dimensions of the garden
1 answer
454 views
how do i perform the indicated operation 3 4/5 + 2 2/8 = ?
1 answer
369 views
destiny is going to build a patio. she wants the patio to be 20 feet by 35 feet. what is the perimeter of the patio in yards?
1 answer
374 views
one tenth of my money is 2.45.how much money have i ?
1 answer
373 views
howmany?
1 answer
252 views
i am a 4 digit number. the sum of my digit is same as the product of my digits, who am i?
1 answer
355 views
prove 2 | n^2 + n + 1
3 answers
289 views
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