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3 years ago

10

Please help me its simple i just can figure it out

2 answers:

ziro4ka [17]3 years ago

7 0

16x - 14y - 4 is the answer

wariber [46]3 years ago

7 0

Answer: 16x - 14y -4
Explanation:
2(8x) = 16x
2(-7y)=-14y
add those in the equation
16x -14y -4

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Is 7 1/5 a whole number a integer or a rational number

charle [14.2K]

A RATIONAL NUMBER ! i hope i helped

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3 years ago

How to write 5,484.366 in expanded form

Flauer [41]

5,000+400+80+4+.3+.06+.006

8 0

3 years ago

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

7 times as much as the sum of 1/3 and 4/5

Zanzabum

Well first we want to divide 1 by 3 , which is 0.3 , Now we need to divide 4 by 5 which is 0.8 .

We have our answers but 7 needs to be added by their sum so lets put them together by adding them : 0.3 + 0.8 = 1.1.

Now lets add 7 and 1.1 all together , which is 8.1.

_________________________________________________

I hope this helps you a lot :)

8 0

3 years ago

Read 2 more answers

Diabetes is a disease that affects millions of Americans. In fact, about 25,585,000 U.S. adults had diabetes in 2010. At that ti

denis-greek [22]

Answer:

8.28%

Step-by-step explanation:

According to the U.S. Census Bureau, the legal official department in charge of the National Census every ten years, the population of the U.S.A in 2010 was<em> 308,745,538 inhabitants.</em>

If about 25,585,000 had diabetes, then <em>cross multiplying</em>

308,745,538-------100%

25,585,000---------x%

and

$\frac{308,745,538}{25,585,000}=\frac{100}{x}$

and so, about

$x=\frac{25,585,000*100}{308,745,538}=8.28 \%$

Americans had diabetes in 2010.

7 0

3 years ago