Solve that Equation
Solve for x:
5x=-20
x = -4
Solve for y:
y/a+20=b
y=(b-20)*a
or
y=ab+20a
Solve the proportion:
x/6=10/12
x = 5
Convert 47 oz to cups.
5.875 cups
Sink A leaks at a rate of 18 liters per day. Sink B leaks at a rate of 22 drips per minute. Which sink leaks at a slower rate? (1 Liter = 4,000 drips)
Sink A leaks slower.
Solve for x:
5=z/-4 -3
x = -32
Solve g = b - ca for a
(g-b)/-c=a
Solve the proportion:
7/5=x/3
x = 4.2
Convert 7 quarts to cups.
28 cups
A Pigeon can fly up to 92.5 mph. A Spur-Winged Goose can fly up to 142 km/hr. Which bird can fly the fastest?
A Pigeon can fly faster!
Solve for x:
12x+10x+14=80
x = 3
Rewrite the formula below for P:
I=Prt
P=I/(rt)
Solve the proportion:
10/8=x/10
x = 12.5
Convert 32,000 inches to miles.
About 0.51 miles
The Bugatti Veyron EB 16.4 has a top speed of 408.47 km/hr. The McLaren F1 has a top speed of 221 mph. Which vehicle has the higher top speed?
The Bugatti has the higher top speed.
Solve for x:
-9(x-2)=4(x-15)
x = 6
***Bonus: what does it mean if I solved an equation and got 3 = 3? What if it was 2 = 5?***
(any team can answer)
Rewrite the formula for h:
A=1/2h(b_1+b_2)
h=(2A)/(b_1+b_2)
A shadow 6 meters long is cast by an ash tree that is 8 meters tall. What is the length of the shadow cast by a nearby jungle gym that that is 4 meters tall?
The shadow is 3 meters long.
Convert 1.2 miles to cm.
about 193,171 cm
Solve for x:
-15=-6(3+x)+4(x-6)
x=-27/2
x=-13.5
a) Rewrite the rectangle area formula for w:
A=lw
b) Find the width of a rectangle that has a length of 12.4 cm and an area of 107.88 cm2.
a)
w=A/l
b) width = 8.7 cm
If a monument is 35.1 yards tall and casts a shadow 72 yards long, then how long of a shadow will be cast by a nearby lighthouse that is 23.4 yards tall?
The shadow is 48 yards long.
Convert 37 ft per second to miles per hour.
About 25 mph