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2 years ago

I do not know how to do this

Mathematics

1 answer:

ser-zykov [4K]2 years ago

4 0

Is there anything else or is that all the question

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4x + 5y = 12 and 3x + 4y = 9.25 . Solve for systems of equations

masha68 [24]

Answer:

y=1

x=7/4

Step-by-step explanation:

4x + 5y = 12

3x + 4y = 9.25

4x + 5y = 12

12x + 16y =37

-12x -15 y =-36

12x + 16y =37

y=1

x=7/4

8 0

3 years ago

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Help Please!!! 20 points!

Mazyrski [523]

-6/16.................brainilyst???? plz シ

3 0

3 years ago

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. ages of children: 3

gayaneshka [121]

Answer:

The level of variable ages of children is ratio.

Explanation:

Nominal scale is the one which takes categories as its values like gender of a person.

Ordinal scale is the one which is used to show the order of values with no clear difference among them like satisfaction level of people with a service.

Interval scale is the one which shows the clear order of values with clear difference between the values with out true zero.

Ordered scale is one which not only produces the order of variables but also makes the difference between variables known along with information on the value of true zero.

Therefore, the variable which is under consideration here is the ages of children, which takes the values 3,4,5,6 and 7 is a ratio scale.

6 0

3 years ago

Can someone please help me? :)

Dimas [21]

Answer: is C. 30,000

8 0

3 years ago

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Joshua randomly selects a vehicle to test drive. There are 12 cars, 9 trucks, and 4 vans on the lot. What is the probability Jos

eimsori [14]

Step-by-step explanation:

The number of vehicles is 25 and the no. of truck is 9 so the probability is 9/25

4 0

3 years ago

I do not know how to do this​

I do not know how to do this