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2 years ago

There are 7 girls and 6 boys. Which ratio is equivalent?

Mathematics

1 answer:

PtichkaEL [24]2 years ago

7 0

Answer:

7 girls to 6 boys

Step-by-step explanation:

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Write an inequality to model the situation. the maximum speed on the highway , x is 55 mi/h

OLEGan [10]

A maxm speed of 55 mph means that the speed has to be lexx than or equal to 55

x <= 55

6 0

3 years ago

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4 • (6 – 4) 2 ÷ 2

Dmitry_Shevchenko [17]

Answer:

Cary is wrong

Step-by-step explanation:

4* (6-4)= 4* 2=8

I think it is saying (8*2) divided by to, which in that case is 8,

but if it is asking 8 (2/2) then that would also be 8 I believe. I really hope this is correct and you have a great day :)

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2 years ago

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The population of a community is known to increase at a rate proportional to the number of people present at time t. The initial

GREYUIT [131]

Answer:

P(0) = 7,917

Step-by-step explanation:

The population of the community is given by the following formula:

$P(t) = P(0)(1+r)^{t}$

In which P(0) is the initial population and r is the growth rate.

The initial population P0 has doubled in 5 years.

This means that

$P(5) = 2P(0)$

Which lets us find r.

$P(t) = P(0)(1+r)^{t}$

$2P(0) = P(0)(1+r)^{5}$

$(1+r)^{5} = 2$

Applying the 5th root to both sides

$1+r = 1.1487$

$r = 0.1487$

$P(t) = P(0)(1.1487)^{t}$

Suppose it is known that the population is 12,000 after 3 years.

With this, we find P(0)

$P(t) = P(0)(1.1487)^{t}$

$12000 = P(0)(1.1487)^{3}$

$1.5157P(0) = 12000$

$P(0) = \frac{12000}{1.5157}$

$P(0) = 7917$

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2 years ago

Complete the following statement. Write your answer as a decimal or whole number.

natima [27]

$18 is 30% or 0.3 of 60 dollars

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2 years ago

Is 5(x+1) the same as 5x+1? Explain your answer.

Morgarella [4.7K]

No
5*x= x (correct)
5*1=5 (incorrect)
When I say correct or incorrect it means that it does/doesn’t match 5x+1

6 0

3 years ago