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Gelneren [198K]

2 years ago

14

George ate 2/ 3 of a container of Chinese food. Silvia ate 1/ 5 of the same container of Chinese food. What fraction of the cont

ainer of Chinese food did they eat together?

1 answer:

Liono4ka [1.6K]2 years ago

4 0

Answer: Fraction of the container of Chinese food they eat together = $\dfrac{13}{15}$

Step-by-step explanation:

Given, Fraction of Chinese food eaten by George = $\dfrac23$

Fraction of Chinese food eaten by Silvia = $\dfrac15$

Fraction of the container of Chinese food they eat together = $\dfrac23+\dfrac15 =\dfrac{2\times5+3\times1}{3\times5}$

$=\dfrac{10+3}{15}=\dfrac{13}{15}$

Fraction of the container of Chinese food they eat together = $\dfrac{13}{15}$

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Triangle GHI is rotated 90Degrees clockwise and then reflected over the y-axis. Which congruency statement is true?

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2 years ago

A fence is being built around a rectangular garden. The length of the garden is 35 feet, and the total fencing used to enclose t

liraira [26]

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3 years ago

Read 2 more answers

The pirce of an item yesterday was$125 . Today, the price fell to 75. Find the percentage decrease.

Julli [10]

Answer:

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<em>GL Deary</em>

<em>Hope I helped!!!</em>

<em><3</em>

8 0

3 years ago

PLEASE!!!!! HELP ME!!!!!!

kati45 [8]

Answer:

$15 = a_1 r^4$ (1)

$1 = a_1 r^5$ (2)

If we divide equations (2) and (1) we got:

$\frac{r^5}{r^4}= \frac{1}{15}$

And then $r= \frac{1}{15}$

And then we can find the value $a_1$ and we got from equation (1)

$a_1 = \frac{15}{r^4} = \frac{15}{(\frac{1}{15})^4} =759375$

And then the general term for the sequence would be given by:

$a_n = 759375 (\frac{1}{15})^n-1 , n=1,2,3,4,...$

And the best option would be:

C) a1=759,375; an=an−1⋅(1/15)

Step-by-step explanation:

the general formula for a geometric sequence is given by:

$a_n = a_1 r^{n-1}$

For this case we know that $a_5 = 15, a_6 = 1$

Then we have the following conditions:

$15 = a_1 r^4$ (1)

$1 = a_1 r^5$ (2)

If we divide equations (2) and (1) we got:

$\frac{r^5}{r^4}= \frac{1}{15}$

And then $r= \frac{1}{15}$

And then we can find the value $a_1$ and we got from equation (1)

$a_1 = \frac{15}{r^4} = \frac{15}{(\frac{1}{15})^4} =759375$

And then the general term for the sequence would be given by:

$a_n = 759375 (\frac{1}{15})^n-1 , n=1,2,3,4,...$

And the best option would be:

C) a1=759,375; an=an−1⋅(1/15)

4 0

3 years ago