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4 years ago

Is y= -2 a function? Someone please help me ✌️✨

Mathematics

2 answers:

o-na [289]4 years ago

5 0

Answer:

Step-by-step explanation:

A function is defined as a set of outputs based on a set of inputs.

This means that we need to have two variables in order for this to be a function.

y needs to change as we input different values of x.

However, there are no x values here! It's just a simple line.

Therefore this is not a function.

Hope this helped!

lisov135 [29]4 years ago

3 0

Answer:

no it's not

hope it helps;)

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If an electric kettle uses

cupoosta [38]

Answer:

The energy used in 3.5 hours = 5.25 kilowatts

Step-by-step explanation:

Energy used by electric kettle:

$2\frac{1}{4}=\frac{9}{4}=2.25$ kilowatts

Time taken by electric kettle:

1.5 hours

Electric kettle's rate in kilowatts per hour can be calculated by dividing the spent energy i.e. 2.25 kilowatts by the time taken i.e. 1.5 hours.

Therefore,

Electric kettle's rate = 2.25 kilowatts / 1.5 hour

= 1.5 kilowatts per hour

Thus, the energy used in 3.5 hours = 1.5 × 3.5

= 5.25 kilowatts

Therefore, the energy used in 3.5 hours = 5.25 kilowatts

3 0

3 years ago

Ms.Franks drives a maximum of 150 miles per week to and from work. She works 5 days per week. Write an inequality that shows m t

Phoenix [80]

Answer:

Step-by-step explanation:

Let m represent the number of miles that she drives per day.

She works 5 days per week. This means that the total number of miles that she drives in a week would be

5 × m = 5m

Ms.Franks drives a maximum of 150 miles per week to and from work. Therefore, the inequality that shows m the number of miles she drives per day would be

5m ≤ 150

m ≤ 150/5

m ≤ 30

7 0

4 years ago

Cooper weighs 20 pounds. when he is an adult dog, he will weigh about 350% as much as his current weight. how much will cooper w

dexar [7]

The cooper's weight as an adult dog will be 90 pounds.

<h3>What is percentage?</h3>

Percentage, which is a relative figure used to denote hundredths of any quantity. One percent (symbolized as 1%) is equal to 100 parts; hence, 100 percent denotes the complete amount, and 200 percent designates double the amount specified.

A typical method for calculating a percentage is the formula shown below:

Determine the total amount of what you want to find a percentage.
Divide the number to determine the percentage.
Multiply the value by 100.

Calculation for the weight of Cooper as an adult;

Cooper's present weight is 20 pounds.

He will weigh about 350% as much as his current weight.

Calculate 350% of 20 pounds.

= (350×20)/100

= 70

The increment of the weight of Cooper will be 70 pounds.

Thus, the total weight is 20 + 70 = 90.

Therefore, the weight of Cooper after 350% as an adult would be 90 pounds.

To know more about the percent change, here

brainly.com/question/809966

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3 0

2 years ago

Please fill in the missing blanks! I will give brainly to the best!

tigry1 [53]

The required missing terms are sequential as 3, -8, -10, 1, -9, -7, 5, 10, 6, -9, 1, -1, 1, and -7.

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
What we do is, lets fill the blank space be x,
Now for 1,
[-1] + [-1] + x = 1
-2 + x = 1
x = 1 + 2
x = 3
Similarly, all the blank spaces can be determined as, -8, -10, 1, -9, -7, 5, 10, 6, -9, 1, -1, 1, and -7.

Thus, the required missing terms are sequential as 3, -8, -10, 1, -9, -7, 5, 10, 6, -9, 1, -1, 1, and -7.

Learn more about simplification here:

brainly.com/question/12501526

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6 0

1 year ago

An athlete wants to supplement his daily diet with beef and plant proteins. The content of iron, calcium, and vitamins (in milli

victus00 [196]

Total spoon required is mentioned in the Attachment.

Step-by-step explanation:

Clustered column bar graph used.
each 18 milligrams divide by the data provided
beef is blue label
plant is orange labelled.
Microsoft office used Iron,Calcium and Vitamins in column
Microsoft office used Beef in one row.
Microsoft office Plant used in 2nd row.
Chart title, Axis title and design changed.
Bar graph is better interpretation for three columns.

4 0

4 years ago