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2 years ago

1

Mathematics

1 answer:

irina [24]2 years ago

7 0

Answer:

0.530 (the 0 is not required)

Step-by-step explanation:

this is because another combination would be .35 which is less than .53 so this what i think the answer is.

--hope this helped :))

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a countrys population in 1995 was 175 million . in 2000 it was 181 million estimate the population in 2020 using the exponential

galben [10]

In 5 years it grew 6 mill (181-175=6). Formula: 6(20/5)+181=X. multiply 6 by 4 (the number of five years in twenty years): 24. 24+181=205 million :)

7 0

3 years ago

The perimeter of a rectangle is 12cm the area is 5cm square what is the length of the sides

Helen [10]

Answer:

???

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Jonah is going to the store to buy candles for his igloo. Small candles cost $3.50 and large candles cost $5.00. He needs to buy

Semmy [17]

Answer:

$x+y\geq 20$

$3.50x+5.00y\leq 80$

Step-by-step explanation:

Let x represent number of small candles and y represent number of large candles.

We have been given that Jonah needs to buy at least 20 candles. This means number of small and large candles should be greater than or equal to 20. We can represent this information in an inequality as:

$x+y\geq 20...(1)$

We are also told that small candles cost $3.50, so cost of x small candles would be $3.50x$ .

Since large candles cost $5.00, so cost of y large candles would be $5.00y$ .

We are told that Jonah cannot spend more than $80, this means cost of x small candles and y large candles should be less than or equal to $80. We can represent this information in an inequality as:

$3.50x+5.00y\geq 80$

Therefore, our required system of inequalities would be:

$x+y\geq 20$

$3.50x+5.00y\leq 80$

4 0

2 years ago

There are 30 boys and 25 girls in class . Find the ratio of boys and girls

77julia77 [94]

Answer:

Ratio = 6 : 5

Step-by-step explanation:

Total number of boys = 30

Total number of girls = 25

Ratio of boys and girls = 30 : 25

= 6 : 5

3 0

3 years ago

In this in this equation y equals 14 x what is the constant of proportionality

lions [1.4K]

Answer:

We conclude that the value of the constant of proportionality.

k = 14

Step-by-step explanation:

We know that if 'y' varies directly with 'x', we use the equation

y ∝ x

y = kx

where 'k' is called the constant of proportionality.

Given the equation

y = 14x

comparing with the equation

y = kx

Thus,

k = 14

Therefore, we conclude that the value of the constant of proportionality.

k = 14

6 0

3 years ago