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allsm [11]
2 years ago
6

What is the variable equal to? y • 8 = 40 y = 5 y = 320 y = 6 y = 7

Mathematics
1 answer:
noname [10]2 years ago
6 0

Answer:

y = 5

Step-by-step explanation:

Hello there!

Y is our unknown quantity. We need to find for y.

To do this we will isolate the variable so it equals a number that makes the statement for x true.

To solve this, we will use the division property of equality since this is a multiplication equation. y has to be less than 40.

So we will divide 8/8 to isolate y on one side and then do 40/8 (herby the division property of equality)

Then our answer should be y = 5

To double- check this we could simply substitute 5 for y in the equation; 5 • 8 = 40

Therefore this statement holds to be true

Hope this helps you! :)

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Answer:

x= -5

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Step-by-step explanation

I hope that is the answer you are looking for!And Brainiest is needed!

4 0
2 years ago
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a jacket cost 4 times as much as a shirt. if the total cost of the jacket and shirt is $280, how much does the shirt cost ------
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Solve the linear equation by using the Gauss-Jordan elimination method
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Step-by-step explanation:


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3 years ago
Evaluate Combination (6,6)
andrew11 [14]

Answer:

nCx = \frac{n!}{x! (n-x)!}

On this case n =6 and x =6 we got:

6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1

Step-by-step explanation:

The utility for the combination formula is in order to find the number of ways to order a set of elements

For this case we want to find the following expression:

6C6

And the general formula for combination is given by:

nCx = \frac{n!}{x! (n-x)!}

On this case n =6 and x =6 we got:

6C6 = \frac{6!}{6! (6-6)!} = \frac{6!}{6! 0!}= \frac{6!}{6!}=1

8 0
2 years ago
Write down all three-digit numbers that fit the descriptions below and use only the digits 0, 2, and 5. Use each digit as many t
pogonyaev

Answer:

200, 500, 250, 520, 220 and 550

Step-by-step explanation:

A number is multiple of 10 if the number finish in the digit 0.

So, all three-digit numbers that are multiples of 10 and have the digits 0, 2 and 5 are:

200

500

250

520

220

550

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