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forsale [732]
4 years ago
6

How do you use the elimination method ?

Mathematics
1 answer:
lidiya [134]4 years ago
6 0
To use the elimination method, you have to create variables that have the same coefficient, then you can eliminate them.
You might be interested in
Can u please solve this question?
Lapatulllka [165]

Answer:

It is TRUE for all Real numbers, i.e. [x] = ]x+1[ for all x∈R.

Step-by-step explanation:

Let's write given statement as [ x ]  = ] x+1 [

where [ x ] step function means next integer greater than or equal to x,

and ] y [ means last integer less than or equal to y.

Let's take an example of x = 2.5

So  [ 2.5 ] = 3.

and ] 2.5 + 1 [ = ] 3.5 [ = 3.

Similarly, we can take any example of Real numbers like 3.7, 4.2, 5.6, 8.9 etc.

It is TRUE for all Real numbers, i.e. [x] = ]x+1[ for all x∈R.

3 0
3 years ago
Megan buys 5 boxes of cookies for $3.75 each. What is her change from $20.00? Explain your answer.
fgiga [73]

Answer:

$1.25

Step-by-step explanation:

3.75 x 5 = 18.75

20-18.75 = 1.25

3 0
3 years ago
Read 2 more answers
A science class has 4 girls and 4 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly sel
e-lub [12.9K]

Answer:

<u>The correct answer is 5/24 or 0.21</u>

Step-by-step explanation:

1. Let's review all the information given to answer the question correctly:

Science class in seventh grade = 4 girls and 4 boys

Science class in eighth grade = 5 girls and 7 boys

2. What is the probability that both students selected for the competition are girls,  a seventh grader and an eighth grader?

These are independent events, therefore:

Probability of two independent events = Probability of A * Probability of B

Probability of both students selected for the competition are girls = 4/8 * 5/12

Probability of both students selected for the competition are girls = 20/96 = 5/24

<u>The correct answer is 5/24 or 0.21</u>

7 0
3 years ago
What is the solution for x in the equation 5/3x + 4 = 2/3x
marta [7]
The answer is -4! Hope this helped you!
7 0
4 years ago
What does d equal in -24 + 12 (d - 3) + 22
zubka84 [21]

Answer:

-24+12(d-3)+22=-24+34(d-3)

10(d-3)

10d=-30

d=-30/10

d=3

4 0
3 years ago
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