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2 years ago

Type the correct answer in the box

Mathematics

1 answer:

TiliK225 [7]2 years ago

5 0

The expression of X in terms of l is X = √5 l

<h3>How to calculate the diagonal of a rectangle</h3>

According to the given information:

Length = w
If length l is twice as long as the width, then l = 2w

Determine the diagonal using the Pythagoras theorem:

X² = w²+(2w)²
X² = w² + 4w²

X =√5w²
X = √5 w

Replace w with l

X = √5 l

Hence the expression of X in terms of l is X = √5 l

Learn more on diagonals here: brainly.com/question/26154016

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horsena [70]

Answer:

no solution

Step-by-step explanation:

5 0

3 years ago

I will mark you as brainlinest for correct answer!!!!!pleaseeeee help!!!!!!

mel-nik [20]

A^2 - b^2 = (a+b)(a-b)

answer :

t^2 - 1
n^2 - 225

7 0

3 years ago

Read 2 more answers

In ΔXYZ, ∠Y=90° and ∠X=73°. ∠ZWY=80° and XW=80. Find the length of ZY to the nearest 100th.

lawyer [7]

Answer:

Solution given:

Y=90°

∠X=73°.

∠ZWY=80°

and XW=80.

ZY=?

We know that

In right angled triangle ∆ XYZ

Tan 73= $\frac{p}{h}$

3.27= $\frac{yz}{xy}$

3.27×[xy]=yz

xw+wy= $\frac{yz}{3.27}$

wy= $\frac{yz}{3.27}$ -80...........(1)

again

In right angled triangle WYZ

Tan 80= $\frac{yz}{wy}$

5.67×wy=yz

wy= $\frac{yz}{5.67}$

yz=5.67×wy............................................(2)

Equating equation 1&2

$\frac{yz}{5.67}$ = $\frac{yz}{3.27}$ -80

$\frac{yz}{3.27}$ - $\frac{yz}{5.67}$ =80

5.67yz-3.27yz=80*5.67*3.27

2.4yz =1483.272

yz= $\frac{1483.272}{2.4}$

yz=618.03

:.y=618.03unit.the length of ZY to the nearest 100th is 618.

8 0

3 years ago

The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft.

Pepsi [2]

I hope this helps you

Volume of cone =1/3.pi.r^2.h

Volume of cone =1/3.3,14.6^2.9

Volume of cone =339.12

3 0

3 years ago

Read 2 more answers

What is the substitution for 3x+4y^2 if x= -2 and y=3?

Hitman42 [59]

Answer:

Step-by-step explanation:

x= -2 and y= 3

Hence, simply put it in the equation:

3x + 4y^2

3(-2) + 4(3)^2

-6 + 4(9)

-6 + 36

Hope this helps!

If you find this helpful, please mark brainliest! Would really appreciate!

8 0

3 years ago