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2 years ago

Given the table, find 5 solutions to the equation.

Mathematics

1 answer:

nalin [4]2 years ago

5 0

Answer:

$\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]$

Step-by-step explanation: i will help u dw chikes

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sos heklp me

ddideddiedieodieodioedieodi djl;

تتيتتيتي ااست عحيت ايست JHCOPC D

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A hose with a larger diameter working alone can fill a swimming pool in 9 hours.A hose with a smaller diameter working alone can

Arte-miy333 [17]

The large hose fills 1 pool in 9 hours written as 1/9

The small hose fills 1 pool in 18 hours, written as 1/18

Now you have 1/9 + 1/18 = 1/x ( x is the unknown time for both hoses).

rewrite 1/9 with a common denominator as 1/18:

1/9 = 2/18

Now you have 2/18 + 1/18 = 1/x

Add the left side:

2/18 + 1/18 = 3/18

Now you have 3/18 = 1/x

Cross Multiply:

3x = 18

Divide both sides by 3"

x = 18/3

X = 6

It will take both hoses 6 hours.

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3 years ago

A die used in a certain board game has eight faces, of which 3 are red, 3 are yellow, and 2 are blue. Each face is equally likel

V125BC [204]

Answer:

0.5625

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

In 1987, the population of country A was estimated at 87 million people, with an annual growth rate of 3.5%. The 1987 population

KATRIN_1 [288]

Answer:

Step-by-step explanation:

Given that in 1987, the population of country A was estimated at 87 million people, with an annual growth rate of 3.5%

Thus the equation for population for country A would be

$P(A) = 87e^{0.035t}$

The 1987 population of country B was estimated at 243 million with an annual growth rate of 0.6%.

So equation for population for country B would be

$P(B) = 243e^{0.006t}$ where t = time in years and P in millions

a) P(A) = 2*87 when

$2=e^{0.035t}$

Take log and solve

ln 2 = 0.005 t

t = 138.63

Thus after 138 years population will double for A

b) P(A) = P(B) when

$P(A) = 87e^{0.035t}=P(B) = 243e^{0.006t}\\e^{0.035t-0.006t}=\frac{243}{87} =2.793\\0.029t = 1.027\\t= 35.42$

Approximately after 35.5 years the populations of both countries would be equal.

7 0

3 years ago

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Subtract the following polynomials, then place the answer in the proper location on the grid.

adelina 88 [10]

Answer:

$3x^{2}-5x+12-(5x^{2}+x-11)=-2x^{2}-6x+23$

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3 years ago

Which property is shown in the following equation?

Elis [28]

The answer for this question would be B) Identify property of multiplication or the second option because since the result 20 is the same as the 20 multiplied against 1. * I take no credit for the image below I just found it off google. ✅

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3 years ago