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pogonyaev
3 years ago
15

4x+3y=-5 -2x+2y=6 elimination method

Mathematics
1 answer:
Semenov [28]3 years ago
4 0
X=-6.5
Y=7


Hope this helps

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What value of x makes the equation true? <br> A.1<br> B.-5<br> C.-1<br> D.7
Temka [501]

I THINK THE ANSWER IS D.

5 0
3 years ago
What's 1/2 divided by 3? Your answer should be written as a fraction.
Agata [3.3K]
Your answer should be 1/6 because you are dividing thing by the number.
8 0
2 years ago
Omar has 2-5/8 cups of dough to make dumplings. If he uses 3/16 cup of dough for each dumpling, how many whole dumplings can Oma
Arte-miy333 [17]

Answer:

The number of whole dumpling does Omar make is 14 .

Step-by-step explanation:

Given as :

The number of cups does Omar has to make dumplings = x = 2\dfrac{5}{8}

i.e x = \dfrac{16 + 5}{8}

or, x =  \dfrac{21}{8}

Again

The number of cups uses for each dumpling = y =  \dfrac{3}{16}

i.e y = \dfrac{3}{16}

Let The number of whole dumpling does Omar make = z

So,  number of whole dumpling does Omar make = \dfrac{\textrm number of cups does Omar has to make dumplings}{number of cups uses for each dumpling }

Or, z = \dfrac{x}{y}

Or, z = \frac{\frac{21}{8}}{\frac{3}{16}}

Or, z = \frac{21\times 16}{8\times 3}

∴  z = 7 × 2

i.e z = 14

So, The number of whole dumpling does Omar make = z = 14

Hence, The number of whole dumpling does Omar make is 14 . Answer

8 0
2 years ago
A membership committee of three is formed from four eligible members. Let the eligible members be represented by A, B, C, and D.
yKpoI14uk [10]

The correct statement is:

  • There are four ways to choose the committee.
  • There are three ways to form the committee if person D must be on it.
  • If persons B and C must be on the committee, there are two ways to form the committee.

It is given that:

A membership committee of three is formed from four eligible members.

1) There are four ways to choose the committee.

This statement is true.

Since we have to choose 3 members out of the 4 members so we can use the method of combination.

2) There are three ways to form the committee if person D must be on it.

This statement is also true.

Since D has to be in the committee, this means we have to choose 2 more people out of the three people to form the committee.

3) If seven members are eligible next year, then there will be fewer combinations.

This statement is wrong.

Since we have to choose 3 members out of 7 members so the number of possible combinations will be:

There are 35 combinations possible.

4) If persons B and C must be on the committee, there are two ways to form the committee.

If B and C have to be in the committee then we have to choose just one person out of the two people left.

Hence, the statement is true.

5) If persons A and C must be on the committee, then there is only one way to form the committee.

If A and C have to be on the committee then as in the last option we have to choose any one of the two-person left.

So possible number of ways is 2.

Hence, the statement is false.

Learn more about committee here: brainly.com/question/425830

#SPJ4

<em>Your question is incomplete. Please read below to find the missing content.</em>

<em />

A membership committee of three is formed from four eligible members. Let the eligible members be represented by A, B, C, and D. The possible outcomes include S = {ABC, ABD, ACD, BCD}.

Which statements about the situation are true? Check all that apply.

There are four ways to choose the committee.

There are three ways to form the committee if person D must be on it.

If seven members are eligible next year, then there will be fewer combinations.

If persons B and C must be on the committee, there are two ways to form the committee.

If persons A and C must be on the committee, then there is only one way to form the committee.

8 0
1 year ago
Find an explicit formula for the arithmetic sequence -2,-14,-26,-38,...
slava [35]

Answer:

-12

Step-by-step explanation:

We can just try and find what works! since we can subtract 12 from -2 and get -14, we might try subtracting 12 every time. After we test it out, we see that is is correct!

6 0
3 years ago
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