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2 years ago

9

There are 32 patients in a waiting room, and 8 of them are children. What is the child to adult ratio (expressed in the lowest t

erms)?
A) 6:20
B) 3:4
C) 1:4
D)2:12

1 answer:

jeyben [28]2 years ago

3 0

Answer:

C

Step-by-step explanation:

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Rearrange y =1/2x+1to make x the subject.

ella [17]

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$y = \frac{1}{2} x + 1 \\$

Multiply sides by 2

$2 \times y = 2 \times ( \frac{1}{2} x + 1) \\$

$2y =( 2 \times \frac{1}{2} x) + (2 \times 1) \\$

$2y = x + 2$

$x + 2 = 2y$

Subtract sides 2

$x + 2 - 2 = 2y - 2$

$x = 2y - 2$

Done...

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3 0

2 years ago

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In 1990, the population of Boston, Massachusetts was 574,283. In 2000, the population was 589,141. What is the percent of change

MrMuchimi

Answer:

Percent of change in population is $2.6$ %

Step-by-step explanation:

Given population of Boston is $574,283$ measured in year $1990$ .

And population of Boston in year $2000$ is $589,141$ .

We need to find percent of change in population.

So, percent change $=\frac{New\ population-Old\ population}{Old\ population}\times100$ %

Here old population is $574,283$ and new population is $589,141$

Plugging these value in formula we get,

Percent change $=\frac{589,141-574,283}{574,283}\times100\\\\=\frac{14858}{574,283}\times100=0.0258\times100\\\\=2.587$

Rounding to nearest tenth 2.6%

8 0

3 years ago

A goat is tethered to a stake in the ground with a 5-m rope. The goat can graze to the full length of the rope a full 360 degree

Nina [5.8K]

The length of the rope in this case becomes the radius of the circle that the goat is able to graze. The area of the circle is calculated through the equation,
A = πr²
Substituting,
A = π(5m)² = 78.54 m²
Thus, the area that the goat is able to graze is equal to 78.54 m².

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2 years ago

If the distance is 112 and the time is 2 hours, what is the constant rate of change

Eduardwww [97]

The constant rate is 56

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2 years ago

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Find the area of a rectangle that is 12 cm long and 10 cm wide.

gregori [183]

Answer:

area is length * width

12* 10 = 120cm

the answer is 120cm

Step-by-step explanation:

6 0

2 years ago

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