All Questions ⁺⁰237665 Questions

0

1096

1

+1982

Using the image shown, name the reflection of J over the horizontal mirror line shown.

Using the image shown, name the reflection of J over the horizontal mirror line shown.

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macabresubwoofer Mar 10, 2020

0

681

1

help

For a particular peculiar pair of dice, the probabilities of rolling 1, 2, 3, 4, 5, and 6 on each die are in the ratio $1:2:3:4:5:6$. What is the probability of rolling a total of 7 on the two dice?

Guest Mar 10, 2020

0

1821

1

jason jumped!

Jason jumped off a cliff into the ocean while vacationing with some friends. His height as a function of time could be modeled by the function h(t)= -16t^2 + 16t + 480, where t is the time in seconds and h is the height is feet.
a. How long did read more ..

Guest Mar 10, 2020

0

587

1

help please :(

Define a sequence recursively by and be the remainder when is divided by for all Thus the sequence starts What is

Please help me! I really would appreciate it read more ..

Guest Mar 10, 2020

0

995

1

algebra

All 231 students in the math club went on a field trip. Some students rode in vans which hold 7 students each and some students rode in buses which hold 25 students each. How many off each type of vehicle did they use if there were 15 vehicles total read more ..

Guest Mar 10, 2020

0

630

5

Help

The red parabola shown is the graph of the equation =ax^2+x+ . Y= ax^2+Bx+C Find x .
https://latex.artofproblemsolving.com/0/4/6/046012f854c15db75dbe3a5d07c109187181c29e.png

Pic added by Melody
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Guest Mar 10, 2020

0

660

1

please help

Running on a 10-mile loop in the same direction, Sue ran at a constant rate of 8 miles per hour and Rob ran at a constant rate of 6 miles per hour. If they began running at the same point on the loop, how many hours later did Sue complete exactly 1 more read more ..

Guest Mar 10, 2020

0

2336

1

hHhaLlLPpPpPPsSs

For what real values of $k$ does the quadratic $12x^2 + kx + 27 = 0$ have nonreal roots? Enter your answer as an interval.

ElectricPavlov ●

Guest Mar 10, 2020

Mar 9, 2020

+1

1211

4

Help

The graph of the equation y=ax^2+bx+c has the line x=4 as an axis of symmetry. Find b/a .

ElectricPavlov ●●●●

Guest Mar 9, 2020

0

600

2

Help Please

For the graph of a certain quadratic y=ax^2+bx+c , the vertex of the parabola is (3,7)and one of the x-intercepts is (-2,0) . What is thex -coordinate of the other x -intercept?

Please give me the direct read more ..

off-topic

Guest Mar 9, 2020

0

573

1

please help

The excursion boat on the river takes 2 hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current?

Guest Mar 9, 2020

0

619

1

HELP

7b divided by 12=4.2

off-topic

Guest Mar 9, 2020

0

876

1

help

Ben was in charge of ordering 16 pizzas for the office party. He ordered three types of pizza: Cheese, Pepperoni, and Supreme. The cheese pizzas cost $8 each, the pepperoni pizzas cost $10 each, and the supreme pizzas cost $12 each. He spent exactly twice read more ..

Guest Mar 9, 2020

0

553

1

Help!

A kayaker is traveling across a river at a velocity of 5 kilometers per hour. If the current is traveling at a rate of 2 kilometers per hour in a direction perpendicular to the kayaker's movement, what is the actual speed of the kayaker to the nearest hundredth? read more ..

Guest Mar 9, 2020

+1

1338

4

+42

plz help

The five tallest buildings in Los Angeles in 1985 had a mean height of 733 feet. The tallest of the five buildings has a height of 858 feet, the shortest of the five 625 feet. If a new building were constructed with a height of 885 feet, by how many feet read more ..

Nerdo Mar 9, 2020

0

548

1

Help!

The hour hand on a clock points to 7. If the vector represented by the hour hand has a magnitude of 5 inches, what is the magnitude of its horizontal component?

ElectricPavlov ●

Guest Mar 9, 2020

0

765

1

help please

The number of miles driven by a truck driver falls between 300 and 700, and follows a uniform distribution. What is the probability that the truck driver goes more than 650 miles in a day?

Guest Mar 9, 2020

0

453

1

please help

The Osborne Bakers want to make 30 pounds of a berry mix that costs $3.00 per pound to use in their pancake mix. They are using blueberries that cost $2.00 per pound and blackberries that cost $3.50 per pound. How many pounds of blackberries should be used read more ..

Guest Mar 9, 2020

+1

1269

2

+42

Please Help

Jake makes a list of all the four-digit positive integers with the property that the product of the four digits is 5. What is the arithmetic mean of the integers on his list?

Nerdo Mar 9, 2020

0

659

1

help please

Two groups of students order burgers and hot dogs at a local restaurant . One order of 3 burgers and 2 hot dogs cost $19. The other order of 6 burgers and 5 hot dogs costs $40. Solve by elimination to find the cost of a burger and the cost of a hotdog . read more ..

Guest Mar 9, 2020

0

1842

1

stoichiometry

How many molecules of NH 4 Br are in 3.921 g of NH 4 Br ?

Guest Mar 9, 2020

0

786

1

+288

word problem

To finish painting a house, "A" working alone needs 2 times the time that "B" and "C" work together. "B" working alone needs 3 times the time that "A" and "C" work together. "C" working alone needs x times the time that "A" and "B" work together. Find x. read more ..

madyl Mar 9, 2020

-1

700

2

+288

Question

Calculate

Thanks! read more ..

madyl Mar 9, 2020

0

2617

3

please help

I already solved 1-4, but I need help with 5.

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 read more ..

Guest Mar 9, 2020

0

901

1

help

Five girls are collecting shells on a beach. They are putting them in buckets that each hold 24 shells. At the end of the collecting time, they are going to ensure that they all have the same number of shells. Four of them are only two short of filling read more ..

Guest Mar 9, 2020

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