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Nesterboy [21]
3 years ago
7

What do you know about x and y if their product is zero?

Mathematics
1 answer:
Sedaia [141]3 years ago
8 0

Step-by-step explanation:

Either x = 0 or y = 0. (Zero product rule)

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Explain whether the lengths 2 cm, 3 cm, and 7 cm could be the<br> side lengths of a right triangle.
Nutka1998 [239]

Answer:

The sum of the length of any two sides must be greater than the length of the third side, so the given lengths do not form a right triangle.

3 0
4 years ago
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How many 4-digits number can be formed out of 0,1,2,3,5,7 and 8. If:
Bad White [126]

Answer:

Below in bold.

Step-by-step explanation:

No repetition.

There are a total of 7 numbers.

For the number to be even it must end in 0,  2 or 8.

The other 3 numbers will be the number of permutations of 3 from  the 6 other numbers.

Number of 4 digit numbers ending in 0

= 6P3 = 6! / 6-3!

= 120.

Now the number could also end in 2 or 8,

so there are 3*120 = 360 4-digit even numbers (no repetition).

With repetition.

There are 3 * 7^3 = 1029  with repetition.

5 0
3 years ago
What is the value of the expression 3.6 x 10^8 over 1.2 x 10^3?
Oksanka [162]
3 x 10^5 would be the answer you are looking for

6 0
3 years ago
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You need a 30-year, fixed-rate mortgage to buy a new home for $225,000. your bank will lend you the money at an apr of 5.5 perce
bulgar [2K]
Loan amount, P = 225000
interest = 5.5%/12  per month
Monthly payment, A = 1000

At the end of 30 years, 
Future value of loan (with zero repayment)
F1=225000*(1+.055/12)^(30*12)
=1167162.264

Future value of repayment, A=1000 per month
F2=\frac{A((1+i)^n-1)}{i}
=\frac{1000((1+.055/12)^{360}-1)}{.055/12}
=913611.893

Therefore balloon payment
= F1-F2
=1167162.264-913611.893
=253550.37   (to the nearest cent)
6 0
4 years ago
The diagram shows a cuboid.<br> 4 cm<br> 5 cm<br> 9 cm<br> What is the surface area of the cuboid?
katrin2010 [14]

Answer:

202 cm^2

Step-by-step explanation:

SA = 2LW + 2LH + 2WH

SA = 2(4 cm)(5 cm) + 2(4 cm)(9 cm) + 2(5 cm)(9 cm)

SA = 40 cm^2 + 72 cm^2 + 90 cm^2

SA = 202 cm^2

6 0
3 years ago
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