2 years ago

Kevin needs to replace four rectangular

1 answer:

5 0

To find the measure of a singular window we need to find the area which is length times width. so that's 2.75(4) which is 11 square feet. However, Kevin has four windows which means he needs 11(4) square feet for all the windows. Which would mean Kevin needs 44 sqaure feet.

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What are the first four terms if the sequence represented by the expression n (n-1) -4?

shepuryov [24]

We have that
<span>n (n-1) -4

for n=1
a1=1*(1-1)-4------> a1=-4

for n=2
</span>a2=2*(2-1)-4------> a2=-2

for n=3
a3=3*(3-1)-4------> a3=2

for n=4
a4=4*(4-1)-4------> a4=8

the answer is
-4,-2, 2, 8

5 0

3 years ago

work out the circumference of this circle take pie to be 3.142and give your number to 1 decimal place and the radius is 11.2cm

harina [27]

Circumference is 2*pi*r
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6 0

3 years ago

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NASA launches a rocket at t = 0 seconds. Its height, in meters above sea level, as a function of time is

balu736 [363]

If h is m above the ocean and your trying to find when the rocket reaches that ocean… as the function gives the height above the ocean at a given time, when the height equals 0 the rocket will have reached the ocean so solve for t when h=0. working out in the photo. i got t=48.88seconds