3 years ago

The length of the room is 3 times the width and the total area of the room is 27 square meters. What is the length of the living

room?

Mathematics

1 answer:

Vika [28.1K]3 years ago

7 0

$l=3w\\
lw=27\\\\
3w\cdot w=27\\
3w^2=27\\
w^2=9\\
w=3 \vee w=-3\\
-3\not\in\mathbb{N}\\\\
l=3\cdot3\\
l=9
$

You might be interested in

A ball is thrown vertically upward.After t seconds its height(in feet)is given by the function h(t)=84t=16t^2.What is the maximu

Novay_Z [31]

21 seconds!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

3 0

3 years ago

A fruit stand has 28 apples, 20 oranges, and 12 pears. What is the ratio of apples to the total pieces of fruit?

ruslelena [56]

Data:
Apples = 28
Oranges = 20
Pears = 12

<span>What is the ratio of apples to the total pieces of fruit?
Solving:
</span> $\frac{apples}{apples+oranges+pears} = \frac{28}{28+20+12} = \frac{28}{60} \frac{\div4}{\div4} \to\:\boxed{\boxed{ratio = \frac{7}{15}}}\end{array}}\qquad\quad\checkmark$ <span>
</span>

5 0

3 years ago

What is James's spendable income this pay period? (use pay stub) *

kicyunya [14]

Are we supposed to guess???

3 0

3 years ago

Read 2 more answers

What was done to the quadratic parent function F(x) = x2 to get the

zubka84 [21]

Answer:

Option C.