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In the following figure, AF is the perpendicular bisector of BD, AD = 30, and DF = 12. Find AB + BF.

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macabresubwoofer Jan 29, 2020

1071

In the following figure, AF is the perpendicular bisector of BD, AD = 30, and DF = 12. Find AB + BF.

Is this statement true or false?

If two lines are perpendicular, then they form a right angle.
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Guest Jan 29, 2020

853

+1982

Is this statement true or false?

Sydni spent the first 120 miles of her road trip in traffic. When the traffic cleared, she was able to drive twice as fast for the remaining 300 miles. If the total trip took 9 hours, then how fast was she moving in traffic?

macabresubwoofer Jan 29, 2020

495

help

Hi Chris, (CPhill)
We are misssing you around here.
If you see this please stop in and say hello.

Guest Jan 29, 2020

-9

1174

+118724

Hi Chris,

Tyace needs at least 40 hot dogs and 40 buns for a cookout. Packages of hotdogs cost $3.50 and contains 10 hotdogs. Packages of buns cost $2.50 and contains 8 buns. The maximum amount of money Tyace can spend on hot dogs and buns is $70. What are possible read more ..

Melody Jan 29, 2020

765

help please

A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show all your read more ..

Guest Jan 29, 2020

1140

physics

The “Mendelssohn" Stradivarius violin was estimated to be worth approximately $1,700,000 in 1990. The violin is expected to increase in value by approximately 7.5% each year. Estimate the value of the violin in the year 2010

Guest Jan 29, 2020

903

help

If a plane can travel 490 miles per hour with the wind and 430 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.

Guest Jan 29, 2020

668

help

Deena has 4 pairs of white socks, 3 pairs of black socks, 1 pair of red socks, and 2 pairs of navy socks in her sock drawer. Each pair of socks is folded together. If she pulls a pair of socks out of her drawer in the morning without looking, what read more ..

Guest Jan 29, 2020

1306

help

Tiffany is cutting a rectangular cake for a party. She needs 30 equal-sized pieces to serve all the guests. How many cuts will Tiffany need to make in the cake?

Guest Jan 29, 2020

591

help

When running a 100 meter race Justin reaches his maximum speed when he is 35 meters from the starting line, and 7 seconds have elapsed since the start of the race. Justin continues at this max speed for the rest of the race and is 70 meters from the starting read more ..

Guest Jan 29, 2020

906

Can someone solve this for me?

Guest Jan 29, 2020

492

need help with my quiz

Triangle is drawn so that the angle bisector of meets at and so that triangle is an isosceles triangle with . Line segment is extended past to so that triangle is read more ..

Guest Jan 29, 2020

782

Help ASAP

Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are dogs in the school.
62 have blue ribbons, 55 have green read more ..

Guest Jan 29, 2020

840

Help

A 24 foot long piece of string was cut into two pieces one piece is 16 feet shorter than the other find the length of each piece

Guest Jan 29, 2020

550

help

After doing many more problems, I encountered 2 more that I struggle on. Here they are:

1. For a certain hyperbola
where the angle between the asymptotes is Find
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Guest Jan 29, 2020

763

+282

More Algebra 2, I appreciate all of your help <3

The ratio of cats to dogs is 4:5.If there are 20 dogs, how many cats are there?

DragonLord Jan 29, 2020

729

help

Japanese bullet trains travel at an average speed of 150 miles per hour. If you take the bullet train and leave Tokyo at 9:00 AM, how many miles you have travelled at 12:20

Guest Jan 29, 2020

Jan 28, 2020

777

help

In a distribution with a mean of 50 and a standard deviation of 5:
15. What raw score corresponds with the 14th percentile?
16. What z-score cuts off the top 10% of this (or any) distribution?
17. What raw score cuts off the top read more ..

Guest Jan 28, 2020

858

Z-score

1. In the triangle shown, the side lengths are given below in terms of a real-valued variable $x$. Find the range of all possible values of $x$, writing your answer in interval notation.
https://latex.artofproblemsolving.com/6/c/a/6ca2d738712c186c784acd9ae288810db5edaadd.png read more ..

Guest Jan 28, 2020

2569

Hellp

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Guest Jan 28, 2020

647

help

When clark was 7 years old he had 22 rare coins. Each year Clark added 15 coins to hiss collection. Assuming Clark does not sell or lose any coins, how old will Clark be when he has 577 coins?

Jill has 1 1/2 kilograms of frosting. If she’s uses 50 grams of frosting on each cupcake, how many cupcakes can she frost

Guest Jan 28, 2020

677

help

Guest Jan 28, 2020

1772

In the diagram below, we have AB || DC, PQ = QR, BPQ = 100 + x, and APR = x, Find x in degress