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3 years ago

Find the missing values 3:4=6:__=9:_=12:_=15:_

Mathematics

1 answer:

Dahasolnce [82]3 years ago

5 0

Step-by-step explanation:

6:8=9:12=12:16=15:20

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deb and luke go to the pi-rate entertainment store to purchase cds (c) and dvds (d). deb buys 3 dvds and 2 cds for $63 (before s

Leokris [45]

We are given here the individual costs of DVD and CD as well as the total sales and the number of items sold on one day. To solve the number of DVDs and CDs sold each, we devise two independent linear equations:

(1) x + y = 39

(2) 4x + 7y = 204

x- number of DVDs; y - number of CDs

solving, x= 23 DVDs

4 0

3 years ago

Read 2 more answers

What is the standard notation of 2.934x10^8

bogdanovich [222]

Answer:

293,400,000

Step-by-step explanation:

Just move the decimal 8 places to the right --->

293,400,000 is = 2.934 x 10^8

7 0

4 years ago

The following table shows the estimated populations and annual growth rates for four countries in the year 2000. Find the expect

Softa [21]

Answer:

For Australia: 22,044,350

For China: 1,545,744,200

For Mexico: 145,507,500

For Zaire: 92,237,875

Step-by-step explanation:

For Australia: Population in 2000 is 19,169,000 and it is increasing steadily at a rate of 0.6% per year.

Therefore, the population in the year 2025 will be

$19169000[1+\frac{0.6 \times 25}{100} ]= 22,044,350$ (Answer)

For China: Population in 2000 is 1,261,832,000 and it is increasing steadily at a rate of 0.9% per year.

Therefore, the population in the year 2025 will be

$1261832000[1+\frac{0.9 \times 25}{100} ]= 1,545,744,200$ (Answer)

For Mexico: Population in 2000 is 100,350,000 and it is increasing steadily at a rate of 1.8% per year.

Therefore, the population in the year 2025 will be

$100350000[1+\frac{1.8 \times 25}{100} ]= 145,507,500$ (Answer)

For Zaire: Population in 2000 is 51,965,000 and it is increasing steadily at a rate of 3.1% per year.

Therefore, the population in the year 2025 will be

$51965000[1+\frac{3.1 \times 25}{100} ]= 92,237,875$ (Answer)

5 0

3 years ago

Where is the blue dot on the number line?<br> -6.5<br> -7

jonny [76]

-7 it’s closer to -7 than -6.5

3 0

3 years ago

Read 2 more answers

What us the length of AC?

Ipatiy [6.2K]

You can make the equation 12x=156-x
Then from there it become 13x=156
So x=12

7 0

3 years ago