NEED HELP ASAP ANSWER CHOICES ARE A fireman is standing 30 m directly west of a burning building. His ladder reaches 50 m up the side of the building. What is the angle of elevation (to...
NEED HELP ASAP ANSWER CHOICES ARE A fireman is standing 30 m directly west of a burning building. His ladder reaches 50 m up the side of the building. What is the angle of elevation (to...
two trains leave at the same time, one heading east and the other west. the eastbound train travels 10 miles per hour slower than the westbound train. if the two trains are 800 apart after 4 hours,...
show work
While hovering near the top of a waterfall in a national park at 5184 feet, a helicopter pilot accidentally drops his sunglasses. The height h(t) of the sunglasses after t seconds is given by the...
What is the slope-intercept form of the function that contains the point (3, 4) and has a slope of 2? y = x+ y=mx+b
All I really need is the formula for this problem. I've thought about it for 2 days and I can't seem to figure out where to start.
A plumber charges a flat rate for coming to a person’s home and then charges an hourly rate for the amount of time he spends there. The amount of money he charges is given by the function equation C...
Marcus is eating a meal that is made up of an entrée that is 45 calories per ounce and a side dish that is 30 calories per ounce. He wants his meal to total 510 calories. Let e represent the number...
college algebra midterm and study guide for final. having a hard time understanding the questions. please help
I need to know if 41 weeks is 95% of 52 weeks
ice loses 1/2 its weight per hour after 8 hours 5/16 of a lb is left, how much did it weigh
Your mom gave you $13.32 with which to buy a present. This covered 3/5 of the cost. how much did your present cost?
a rectangular parking lot has a length that is 3 yards greater than the width the area of the parking lot is 270 square yards what is the length and the width?
This is hard help me now
Show that: [tan(x+π/4).tan(x-π/4)]=1 please show workings. I ended up at. 1.tan(x)+1/1+tan(x)=1 not sure i'm right though.
Prove that: 1-cos2θ/sin2θ=tanθ Please show workings. Thank you.
...
Two-thirds of a number is equal to 20. what is the number?
A spherical tank has a capacity of 700 gallons. Using one gallon is about 0.1337 ft^3. Find the radius of the tank.
A 40-pound bag of topsoil will cover a surface area of 12 ft2. a) How many pounds of topsoil are needed to cover a surface area of 480 ft2 ? b) How many bag...