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3 years ago

11

.At Phil’s work, there are 12 part-time workers and 18 full-time workers. What is the ratio of part-time workers to total worker

s?

1 answer:

Scrat [10]3 years ago

7 0

Answer:

2/5

Step-by-step explanation:

The desired ratio is ...

(part-time)/(total) = (part-time)/((part-time) +(full-time)) = 12/(12+18)

= 12/30 = 2/5

The ratio of part-time workers to total workers is 2 : 5.

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Two students, Matt and Billy , each calculated the volume of a spherical ball with a dime tee of 15 centimeters. Their work is s

Aleksandr-060686 [28]

Answer:

Matt ;

Used diameter of the ball instead of Radius

Step-by-step explanation:

The volume of a sphere is given as :

4/3πr³

Radius, r = diameter / 2

Given that, the diameter = 15 cm ; The Radius = 15 / 2 = 7.5 cm

Matt made an error in his calculation by failing to covert the value of the diameter given to Radius.

By dividing the diameter by 2 = 15 / 2 = 7.5, we obtain the Radius, which is what Billy did in her own calculation.

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3 years ago

A number, x, rounded to 1 decimal place is 3.7<br> Write down the error interval for x.

soldier1979 [14.2K]

Answer: (3.65, 3.74)

Step-by-step explanation:

Now, when we round a number to a given decimal place, we need to look at the decimal to the left of the decimal place where we are rounding.

if it is 5 or more, we round up

if it is smaller than 5, we round down.

Then for example, if we want to round:

4.534

to the first decimal place, we need to look at the second decimal place.

we can see that it is a 2.

Then we round down, and get:

4.5

Now we know that, when rounding to the first decimal place, we have:

x = 3.7

Then the maximum value that x could have is:

x = 3.74 (because here we round down to 3.7)

and the minimum value that x could have is:

x = 3.65 (because here we round up to 3.7)

Then the error interval for x is:

(3.65, 3.74)

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3 years ago

The students in Ms. Dodd's class recorded the height in feet of palm trees on school property. Their heights were as follows:

dlinn [17]

Answer:

B

Step-by-step explanation:

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3 years ago

What is the slope of the line that passes through the given points? (6, 2) and (7, 4)

zhannawk [14.2K]

Slope for (x₁, y₁) and (x₂, y₂): (6, 2) and (7, 4)

Slope: (y₂ -y₁) / (x₂ -x₁)

Slope: ( 4 - 2) / (7 - 6) = 2/1

<span>Slope = 2/1 = 2

Option D</span>

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3 years ago

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Please show your work and make sure that you don't answer unless you are 100% sure that your information is accurate. Topic: Geo

fenix001 [56]

4x40= 160
6x40= 240
160/12= 13.33
240/12= 20
13.33x20= 266.6

The answer is 266.6 square feet

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3 years ago

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