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4 years ago

What is 7 10ths minus 4 10ths

Mathematics

2 answers:

Taya2010 [7]4 years ago

7 0

3 10ths
you minus the the 7 and the 4 the 10th stay the same

11Alexandr11 [23.1K]4 years ago

3 0

Hola!

it would be 3 10ths

7 10ths - 4 10ths

(7-4)10ths

3 10ths

Hope it may helps uh :)

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Change to fraction 336%

noname [10]

84/25 (84/25 = 3.36)
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4 years ago

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Alik [6]

Answer:

Step-by-step explanation:

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3 years ago

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An elliptical culvert is 3.5 feet tall and 6 feet wide. It is filled with water to a depth of 0.95 feet. Find the width of the s

maks197457 [2]

Answer:

$W_s \approx5.3$

Step-by-step explanation:

From the question we are told that

Height $H=3.5ft$

Weight $W= 6ft$

Depth $D=0.95ft$

Generally the equation for ellipses is given as

$\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

Where

$b=H/2\\b=3.5/2\\Therefore\\b=1.75\\a=W/2\\a=6/2\\Therefore\\a=3\\$

$\frac{x^2}{3^2} +\frac{y^2}{1.75^2} =1$

Generally to find y in the equation $\frac{x^2}{a^2} +\frac{y^2}{b^2} =1$

$y=-b+d$

$y=-1.75+0.95$

$y=-0.8$

Therefore

$\frac{x^2}{3^2} +\frac{(0.8)^2}{1.75^2} =1$

$\frac{x^2}{3^2} =1-\frac{(0.8)^2}{1.75^2}$

$\frac{x^2}{3^2} =1-0.2089795918$

$X^2 =3^2(1-0.2089795918)$

$X^2 =7.119183674$

$X =\sqrt{7.119183674}$

$X =2.66817984$

Therefore the width of the given stream is

$W_s=2.66817984*2$

$W_s=5.33635968$

$W_s \approx5.3$

3 0

3 years ago

9 less than the product of 9 and a number

UkoKoshka [18]

9 - 9 = n hope this helps you!

6 0

3 years ago

Please help!!! <3 Thanks! Rewrite the equation by completing the square. <img src="https://tex.z-dn.net/?f=4x%5E2-4x%2B1%3D0%

Xelga [282]

Answer:

(2x - 1)^2

Step-by-step explanation:

We can reverse engineer the solution...

to complete the square, we know (2x + __)^2 will generate the 1st term 4x^2

To generate the 2nd term, we will need -1, so (2x - 1)^2....

When expanded, we will have 4x^2 - 4x + 1, which we completed the square.

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4 years ago