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2 years ago

How many solutions does the equation y=x-1 have?

Mathematics

1 answer:

uranmaximum [27]2 years ago

6 0

Answer:

endless solutions they have y=x-1 hopefully that helps you out with your question

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Use Use an element argument to prove the state (A-B)U(ANB) = A" is true. he statement "For all sets A and B,

lys-0071 [83]

Answer with Step-by-step explanation:

We have to prove that

$(A-B)\cup (A\cap B)=A$ is true for all sets A and B

Let $x\in(A-B)\cup (A\cap B)$

Then $x\in(A-B)$ or $x\in(A\cap B)$

$x\in A$ and $x\notin B$ or $x\in A\;and\; x\in B$

Hence, $x\in A$

Conversely ,Let $x\in A$

Then x belongs to A and x does not belongs to B then

x belongs to A- B

Or x belongs to A and x belongs to B then x belongs to $A \cap B$

Hence, $x\in( A-B)\cup (A\cap B)$

Therefore, $(A-B)\cup (A\cap B)=A$

3 0

2 years ago

Read 2 more answers

Show work please :)

fgiga [73]

Answer:

Step-by-step explanation:

90/100 = 54

Cross multiplying:

100 * 54 / 90

5400/90

4 0

2 years ago

Enter numbers to write 0.000328

Makovka662 [10]

Answer:

3.28 x 10^-4

Step-by-step explanation:

0.000328 = 3.28 x 10^-4

7 0

3 years ago

Use the quadratic formula to solve the equation if necessary round to the nearest hundredth x^2+x-30=0

yaroslaw [1]

Answer:

(x-5)(x+6)=0

Step-by-step explanation:

hehe i doing the smae unit rn.

if a=1 (which it does do ac factoring)

you need two numbers that multiply to -30 and add to 1. those numbers are 5 and -6.

substitute 1x for -5x + 6x.

group the numbers into pairs and find their gcf's

x(x-5) 6(x-5)

since the parenthesis r the same yo only need one. Now you need to put x and 6 in a parenthesis.

FINAL: (x-5)(x+6) hope this helps

6 0

3 years ago

Suppose that the time it takes to do a job is inversely proportional to the number of workers. that is, the more workers on the

Maurinko [17]

I think it would be 2 days. you would get it done 4 times faster, so 8/4 is 2

7 0

3 years ago