All Questions ⁺⁰234923 Questions

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help

A family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. During one particular week, the two cars went a combined total of 1050 miles, for a total gas consumption read more ..

Guest Jul 8, 2020

0

543

1

+174

Help ASAP

Let x and y be integers. Show that 9x+5y is divisible by 19 if and only if x+9y is divisible by 19.

Forumofweb2.0cal Jul 8, 2020

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479

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algebra

Guest Jul 8, 2020

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400

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help

Line segment TS is tangent to circle O at point N. If the measure of AngleQNT is 65°, what is the measure of Arc QPN?

Guest Jul 8, 2020

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633

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+80

Factor Theorem and Remainder question

When is divided by the remainder is When is divided by the remainder is . Find the ordered pair

Thanks!

Unicornrabbit Jul 8, 2020

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1140

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Question

In the diagram, rectangle $PQRS$ is divided into three identical squares. If $PQRS$ has perimeter 120 cm, what is its area, in square centimeters?

Guest Jul 8, 2020

+1

715

4

+171

HEEEEELP

Suppose are all linear functions, and and are defined by

read more ..

BillyBobJoeJr Jul 8, 2020

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597

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Probability and dice throwing

Hi. How would I calculate a throw with two dice if they both consist out of six sides that are numbered with 1, 2, 2, 4, 6, 6? I need to calculate the probability that the sum is greater than 8. I think the possibilities for the specific situation are read more ..

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Guest Jul 8, 2020

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627

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HELPP

A TV antenna is on top of a tall building. A surveyor standing 53.5 m away measured the angle of elevation to the top of the building as 64o. She then measured the angle of elevation to the top of the antenna as 71o. What is the height of the TV antenna read more ..

Guest Jul 8, 2020

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620

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I NEED HELP ASAP

A set of stairs has a vertical rise of 16 cm for every 27 cm horizontal run. What is the angle, to the nearest tenth of a degree, between the stairs and the floor?

Guest Jul 8, 2020

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753

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Algebra 2

1. The roots of $x^2+8x+4$ are the same as the roots of $Ax^2+Bx+1$. What is $A+B$?
2. Find all the solutions to \[\frac{x+4}{x+5} = \frac{x-5}{2x}.\]
3. Find the smallest value of $x$ such that $x^2 + 10x + 25 = 8$.

Guest Jul 8, 2020

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505

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geometry

In a polygon, 6 of the interior angles are right angles and each of the remaining interior angles is 200 degrees. What is the number of sides of the polygon?

Guest Jul 8, 2020

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503

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help

Given that the pattern continues, find the second term in the 13th row.

Guest Jul 8, 2020

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519

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logarithm

Guest Jul 8, 2020

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461

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help

Two objects A and B having velocities 20 m/s and 10 m/s respectively are 500 meters apart start to travel in same direction. After what time (in seconds) will they meet each other

Guest Jul 8, 2020

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519

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help

there is a tired bird that is trying to fly. every day he flies 5 meters, and goes back (because of the wind) 2 meters. he is trying to get to a place 300 meters away. How many days will it take to get there?

Guest Jul 8, 2020

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726

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help

Guest Jul 8, 2020

+1

595

1

+26

Help Please!!!

In the diagram, $AB = 13\text{ cm},$ $DC = 20\text{ cm},$ and $AD = 5\text{ cm}.$ What is the length of $AC,$ to the nearest tenth of a centimeter?

lionnalostet Jul 8, 2020

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970

2

Hard Algebra Question

Half of 1% of 40 is one less than what number? Express your answer as a decimal to the nearest tenth.

Guest Jul 8, 2020

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436

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help

Consider a set of 14 cards, which consist of all of the spades plus 1 Joker in a standard deck of 52 cards. You may draw 4 cards, and you win if any of the cards are the King or the Ace. If one of the cards you drew was read more ..

Guest Jul 8, 2020

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546

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Please help this online class is very hard!!!

The prime number 53 is the sum of which six different prime numbers?

Guest Jul 8, 2020

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712

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help

Sandra is 18 years older than Paulo. In 13 years, Sandra's age will be twice of Paulo's age. How old is Sandra now?

Guest Jul 8, 2020

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485

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help

Determine the value of x + y - z.

Guest Jul 8, 2020

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