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3 years ago

The Johnson’s living room rug is 3 square units wide and 4 square units long. What is the area of the rug

Mathematics

2 answers:

Morgarella [4.7K]3 years ago

4 0

A = L x W
A = 3 x 4
12 units squared
Hope this helps!

goldfiish [28.3K]3 years ago

3 0

12
to find area you have to multiply

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Please help with this!

malfutka [58]

Answer:

2x^3+7=56

Step-by-step explanation:

3 0

3 years ago

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Two drivers, Alison and Kevin, are participating in a drag race. Beginning from a standing start, they each proceed with a const

Vilka [71]

Answer:

Alison wins against Kevin by 0.93 s

Step-by-step explanation:

Alison covers the last 1/4 of the distance in 3 seconds, at a constant acceleration $a_a$ , we have the following equation of motion

$s/4 = a_at_a^2/2$

where s (m) is the total distance, ta = 3 s is the time

$s = 4a_a3^2/2 = 18a_a$

$a_a = s/18$

Similarly, Kevin overs the last 1/3 of the distance in 4 seconds, at a constant acceleration $a_k$ , we have the following equation of motion:

$s/3 = a_kt_k^2/2$

tk = 4 s is the time

$s = 3a_k4^2/2 = 24a_k$

$a_k = s/24$

Since $a_a = s/18$ we can conclude that $a_a > a_k$ , so Alison would win.

The time it takes for Alison to cover the entire track

$s = a_aT_a^2/2$

$T_a^2 = 2s/a_a = 2s/(s/18) = 36$

$T_a = \sqrt{36} = 6 s$

The time it takes for Kevin to cover the entire track

$s = a_kT_k^2/2$

$T_k^2 = 2s/a_k = 2s/(s/24) = 48$

$T_a = \sqrt{48} = 6.93 s$

So Alison wins against Kevin by 6.93 - 6 = 0.93 s

4 0

3 years ago

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now?

emmainna [20.7K]

Daniel would be 6 daniel was 1 year 2 years ago 1x4=4 plus put on the 2 years =6

6 0

3 years ago

Read 2 more answers

32%

lisabon 2012 [21]

At least 4

10% of 12 is 1.2

So 30% is 3.6

And 1% 0.12

So 2% is 0.24

Plus 3.6 onto 0.24 and you get 3.84

4 0

3 years ago

Which graph represents the function? g(x)={x if x<2−3 if x≥2

Pepsi [2]

$g(x)=\left\{\begin{array}{ccc}x&if&x$

5 0

3 years ago

Read 2 more answers