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notka56 [123]
4 years ago
11

If a = b and 1/x + 1/a = 1/b then x =

Mathematics
1 answer:
seraphim [82]4 years ago
6 0
1/x+1/a=1/a
minus 1/a from both sides
1/x=0
false
let's try a differnt way
1/x+1/a=1/a
times both sides by xa
a+x=x
minus x from both sides
a=0
???
1/0 is undefined
this creates problems


no solution
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Answer po plss plssplsss
erica [24]

Answer:

I'll answer 6 to 10 cuz that's only what I'm able to see

Step-by-step explanation:

6.

Y-Z

= {6,4,7,2,8,3} - {2,7,8,9,10}

= {6,4,3}

7.

( Y ∪ Z ) ∩ X

= ( {6,4,7,2,8,3} ∪ {2,7,8,9,10} ) ∩ {1, 2,3,5,8}

= { 2,3,4,6,7,8,9,10} ∩ {1, 2,3,5,8}

= {2,3,5,8}

8.

( X ∪ Y ) ∩  ( Y ∪ Z )

= ( {1, 2,3,5,8} ∪ {6,4,7,2,8,3} ) ∩ ( {6,4,7,2,8,3} ∪ {2,7,8,9,10} )

= {1,2,3,4,5,6,7,8} ∩ {2,3,4,6,7,8,9,10}

= {2,3,4,6,7,8}

9.

( X ∩ Z ) ∪ ( X ∩ Y )

= ( {1,2,3,5,8} ∩ {2,7,8,9,10} ) ∪ ( {1,2,3,5,8} ∩ {6,4,7,2,8,3} )

= {2,8} ∪ {3,8}

= {2,3,8}

10.

( X ∪ Y ) ∩ Z

= ( {1,2,3,5,8} ∪ {6,4,7,2,8,3} ) ∩ {2,7,8,9,10}

= {1,2,3,4,5,6,7,8} ∩ {2,7,8,9,10}

= {2,7,8}

7 0
3 years ago
Your family is considering buying a utility shed. The cash price is $2,410.00. You will make a down payment of 5 percent of the
denis23 [38]

Answer:

25.18%

Step-by-step explanation:

The problem is asking for the Annual Percentage Rate (APR). This rate refers to the interest rate that the person will be paying every year.

First, you need to get the 5% amount of cash from $2,410.

So, $2,410 × 5% (0.05) = $120.50

You have to subtract the answer from $2,410, in order to get the answer.

So, $2,410 - $120.50 = $2,289.50 (this refers to the 5% of the cash price)

Next, you have to get how much you have to pay per month, excluding the interest rate.

So, divide $2,289.50 by 36 months, the answer is $63.60 per month.

If you pay $85 per month, this means that you have to subtract $63.60 from $85 in order to get the amount of cash representing the interest rate.

So, $85 - $63.69 = $21.40 (the amount of cash representing the  interest rate)

Next, get the percentage of $21.40 from $85:

$21.40 ÷ $85 = 0.2518 or 25.18% (this is the monthly interest rate, which can also be considered the annual interest rate for the loan)

This explains the answer.

5 0
4 years ago
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mezya [45]

Answer:

a=9in

Step-by-step explanation:

Pythagoreans Theorem

a^2+5.6^2=10.6^2

a^2+31.36=112.36

a^2=81

(take square root of both sides)

a=9

7 0
3 years ago
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docker41 [41]

Answer:

15y -9

Step-by-step explanation:

3(5y-3)

Distribute

3*5y -3*3

15y -9

7 0
3 years ago
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alukav5142 [94]
3 4/10 is my answer



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3 years ago
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