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578

help

In an examination, 80 students secured first class marks in English or Maths Out of these, 50 students obtained first class Marks in Maths and 10 in English and Maths both. How many students have secured first class marks in English only?

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Guest Mar 29, 2020

498

Math Analysis, help please.

This a link to the question, sorry I could copy and past it cuz its a photo.

https://free-picload.com/image/qtfKRhhttps://free-picload.com/image/qtIEY8

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Guest Mar 29, 2020

465

A wage of $41.50 / hr cut to $25/ hr. How much percent is the cut?

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Guest Mar 29, 2020

1187

364 is a multiple of 7 but not a multiple of 3 384 is a multiple of 3 but not a multiple of 7 Find a number between 364 and 384 that is

364 is a multiple of 7 but not a multiple of 3 384 is a multiple of 3 but not a multiple of 7 Find a number between 364 and 384 that is both a multiple of 7 and a multiple of 3

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Guest Mar 29, 2020

-1

688

I'm really stumped... (polynomials due very soon)

Let f(x) be a quadratic polynomial such that Let Find the sum of the coefficients of the terms in g(x) that have even degree.

P.S. I'd like to know how to get the equation for f(x), I'm still stuck here... (it read more ..

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Guest Mar 29, 2020

7609

Pb(NO3)2 + 2KI → PbI2 + 2KNO3

For the reaction represented by the equation Pb(NO3)2 + 2KI → PbI2 + 2KNO3, how many moles of lead iodide are produced from 300. g of potassium iodide when Pb(NO3)2 is in excess?

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Guest Mar 29, 2020

380

(x+2)^2=0

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Guest Mar 29, 2020

449

Help pls

An infinite geometric series has common ratio -1/5 and sum 16. What is the first term of the series?

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Guest Mar 29, 2020

851

Find the shortest altitude

In triangle $ABC,$ $AB = 10,$ $BC = 24,$ and $AC = 26.$ Find the length of the shortest altitude in this triangle.

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Guest Mar 29, 2020

705

Triangle question

Find the area of triangle PQR if PQ = QR = 12 and .

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Guest Mar 29, 2020

636

30 60 90 triangle question

In triangle ABC, and . Point X is on side such that line segment bisects . If AB = 12, then find the area of triangle BXA.

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Guest Mar 29, 2020

627

please help

The length of a rectangle is 4 inches less than twice its width. If the area of the rectangle is 70 square inches, what are its dimensions?

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Guest Mar 29, 2020

766

help

The ratio of the measures of the angles in a triangle is 8:3:4. Find the measures of the angles

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Guest Mar 29, 2020

749

+537

Help!

Winnie has a deck of 8 cards where each card has a number from 1 to 4, inclusive, and each number appears twice in the deck. One at a time, Winnie reveals the top card and places it on the table. If two cards have matching numbers, she removes both of them read more ..

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MathCuber Mar 29, 2020

767

+98

Precalc Q PLEASE PLEASE help

A marching band performs on the football field at half-time. As they perform, the members of the band stand in the shape of a sinusoidal function. While playing, they move, but still maintain the sinusoidal function, transforming it in different ways. read more ..

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ocmaz Mar 29, 2020

1247

solve this please

Find the probability of no more than 2 successes in 5 trials of a binomial experiment in which the probability of success in any one trial is 18%

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Guest Mar 29, 2020

549

please help!

Find all multiples of 9 less than 10000 whose only digits are 1 and/or 8?

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Guest Mar 29, 2020

562

help

The Jurassic Zoo charges $8 for each adult admission and $2 for each child. The total bill for the 223 people from a school
trip was $854. How many adults and how many children went to the zoo?

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Guest Mar 29, 2020

875

+537

Help!

Bunbury the rabbit starts at vertex A on triangle APS. Each move, he hops to a vertex other than the one he currently occupies. In how many different ways can he start and end at A after 10 moves?

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MathCuber Mar 29, 2020

832

+62

Pls help on this mathcounts question

What is the absolute difference between additive inverse and multiplicative inverse of 2/3. Express your answer as a common fraction.

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Tervvy Mar 29, 2020

Mar 28, 2020

441

help

You spend $20 total on paint and brushes. Paint cost $4 each and brushes cost $0.50 each. You buy twice as many brushes as paint. How many brushes and paint did you buy?

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Guest Mar 28, 2020

1344

halp on these 2

Given a regular octagon, in how many ways can we color one diagonal red and another diagonal blue so that the two colored diagonals cross (in the interior)? Consider rotations and reflections distinct.

Now suppose read more ..

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PushyCake Mar 28, 2020

606

NEED HELP!! URGENT!

An expression is formed using the numbers 7, 16, 25, and 27 according to the following rules.
Each of the four numbers is used exactly once.
The four numbers may be used in any order.
Exactly three operations are used; each one read more ..

off-topic

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Guest Mar 28, 2020

All Questions ⁺⁰234777 Questions

help

Math Analysis, help please.

A wage of $41.50 / hr cut to $25/ hr. How much percent is the cut?

364 is a multiple of 7 but not a multiple of 3 384 is a multiple of 3 but not a multiple of 7 Find a number between 364 and 384 that is

I'm really stumped... (polynomials due very soon)

Pb(NO3)2 + 2KI → PbI2 + 2KNO3

(x+2)^2=0

Help pls

Find the shortest altitude

Triangle question

30 60 90 triangle question

please help

help

Help!

Precalc Q PLEASE PLEASE help

solve this please

please help!

help

Help!

Pls help on this mathcounts question

help

halp on these 2

NEED HELP!! URGENT!

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