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3 years ago

has 10 marbles than Emma Emma has M number of marbles write a variable expressions for the number of marbles that Dave has

Mathematics

2 answers:

Naya [18.7K]3 years ago

8 0

Answer: m + 10 = d

Step-by-step explanation: I’m assuming that Dave has 10 more marbles than Emma.

leva [86]3 years ago

3 0

YOUR MUM YOU C. U N T

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Step-by-step explanation:

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3 years ago

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The cost of Samantha's 15th birthday party depends on the number guest. The hall charges $250 for the use of the hall plus $12 p

Scorpion4ik [409]

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3 years ago

The same number of people live on the islands Beautiful Sunrise and Gorgeous

aev [14]

Using the percentage concept, it is found that 75% of the population of Gorgeous Sunset is on Beautiful Sunrise now.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

$P = \frac{a}{b} \times 100\%$

In this problem, we have that:

We consider that the population of both Beautiful Sunrise and Gorgeous Sunset islands is of x.

There is a fiesta at Beautiful Sunrise, and a number a of people from Gorgeous Sunset are coming, hence, there will be x + a people at Beautiful Sunrise and x - a people t Gorgeous Sunset.

The percentage of people from Gorgeous Sunset is on Beautiful Sunrise now is:

$P = \frac{a}{x} \times 100\%$

Now the number of people on Beautiful Sunrise is seven times the number of people on Gorgeous Sunset, hence:

$\frac{x + a}{x - a} = 7$

We can find a <u>as a function of x</u> to find the percentage:

$\frac{x + a}{x - a} = 7$

$7(x - a) = x + a$

$7x - 7a = x + a$

$8a = 6x$

$a = \frac{3x}{4}$

Then, the percentage is:

$P = \frac{a}{x} \times 100\%$

$P = \frac{\frac{3x}{4}}{x} \times 100\%$

$P = \frac{3}{4} \times 100\%$

$P = 75\%$

75% of the population of Gorgeous Sunset is on Beautiful Sunrise now.

You can learn more about the percentage concept at brainly.com/question/10491646

7 0

2 years ago

100 <---- 2 zeros

Tom [10]

The number 100 -> that has 2 zeros
Is the same as 10^2 as for this simplified is equal to 100.
100=100
They are the same. They have the same number of zeros.

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3 years ago

Recall that h, the phase shift, is any value of x that occurs at the beginning of a cycle.

nydimaria [60]

Answer:

0.748

Step-by-step explanation:

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3 years ago

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has 10 marbles than Emma Emma has M number of marbles write a variable expressions for the number of marbles that Dave has​

has 10 marbles than Emma Emma has M number of marbles write a variable expressions for the number of marbles that Dave has