All Questions

631

math

Juanita saves $15 each week. Dan has already saved$100 and saves $12 each week. When will Juanita
have more money saved than Dan?

read more ..

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Guest Sep 18, 2020

684

+35

please help meh

38. If a block has a mass of 25-g and a volume of 29.5-mL. What is the
density of the block?

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maximusaurelius117 Sep 18, 2020

937

algebra

Find the value(s) of k that will cause the equation 4x^2+kx+4=0 to have zero real solutions, one real solution, and two real solutions

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Guest Sep 18, 2020

494

hii math help!

Let x,y, and z be nonzero real numbers, such that no two are equal, and

Find all possible numeric values of xyz

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Guest Sep 18, 2020

412

problem from class

(a) Using the set {1,3,6,7,8,9}, how many odd numbers can we construct between 100-999, if no element may be used more than once in a number?
(b) Same question as (a), but what if digits can be repeated?

Guest Sep 18, 2020

1318

angles

Find angles x and y. Help please!

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Guest Sep 18, 2020

565

precalc

Find the sine function that is represented in the graph.

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Guest Sep 18, 2020

Sep 17, 2020

549

please help

I need help with this graph question.

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Guest Sep 17, 2020

760

+85

A school bought many boxes of 100 candies each. The teachers opened all the boxes and...

A school bought many boxes of 100 candies each. The teachers opened all the boxes and gave 14 candies to each student, with 2 candies leftover at the end. The receipt shows the school bought 10{*} boxes of candies where the units read more ..

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PocketThePenguin Sep 17, 2020

442

twin prime pair sum patterns

earlier, I was bored out of my mind and wrote down the sum of twin prime pairs (http://oeis.org/A054735). Looking for patterns, I observed that all terms in this sequence above the 3rd term are equal to the sum of 2, other, not necessarily unique terms read more ..

Guest Sep 17, 2020

535

please help

Solve for the area of the shaded region.

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Guest Sep 17, 2020

609

Help! This is Due in 20 mins! :C

A large community college has professors and lecturers. The total number of faculty members is 210. The school reported that they have 5 professors for every 10 lecturers. How many lecturers does the community college employ?

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Guest Sep 17, 2020

1053

+85

For each positive integer n, let S(n) denote the sum of the digits of n. How many three-digit n's are there such that

For each positive integer n, let S(n) denote the sum of the digits of n. How many three-digit n's are there such that

Thanks for helping! Also- please explain your answer so I can better understand it! read more ..

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PocketThePenguin Sep 17, 2020

407

need help with function

f(x) = 1/(x - 3) + 7. Find the inverse of f(x) and its domain.

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Guest Sep 17, 2020

631

plz help sap plz pz

if y=3-3x express x in terms of y

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Guest Sep 17, 2020

685

-plz help asap

write 0.001x2000000 in standard form

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Guest Sep 17, 2020

611

probability question

56% of all the town's residents own a dog and 61% own a cat. Of the dog owners 45% also own a cat. If atown resident is chosen at random find: (round to 4 decimal places where possible)
a. P(Own a Dog) =
b. P(Own a Cat) =
C. P(Own a Cat and a Dog) read more ..

Guest Sep 17, 2020

900

help

A 2.0 kg block is on a horizontal surface. Determine the magnitude of the normal force on the block (You can use g = 10 \frac{m}{s^2} s 2 m for the acceleration due to gravity).

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Guest Sep 17, 2020

424

help with algebra

Simplify (a - 9/a)/(1 - 3/a).

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Guest Sep 17, 2020

688

what is

what is 45-8y

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Guest Sep 17, 2020

797

+421

Geometry Help!!

All the sides of a triangle are integers, and the perimeter is 12. How many different possible triangles are there? (Assume that the triangle is non-degenerate. Two triangles are considered the same if they are congruent.) Please note, the triangle inequality read more ..

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Pangolin14 Sep 17, 2020

627

help with line

What is the equation of the line perpendicular to 2x - 3y = 13 that passes through the point (-6,5)?

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Guest Sep 17, 2020

655

Help

Help on this please

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instabaddie.xo Sep 17, 2020

All Questions ⁺⁰238122 Questions

math

please help meh

algebra

hii math help!

problem from class

angles

precalc

please help

A school bought many boxes of 100 candies each. The teachers opened all the boxes and...

twin prime pair sum patterns

please help

Help! This is Due in 20 mins! :C

For each positive integer n, let S(n) denote the sum of the digits of n. How many three-digit n's are there such that

need help with function

plz help sap plz pz

-plz help asap

probability question

help

help with algebra

what is

Geometry Help!!

help with line

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