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yulyashka [42]
4 years ago
5

Which statement is true about debit cards? A) because of interest, you may pay more for items you purchase B) late fees will app

ly if the minimum payment is not made on time C) you can buy things before you have all of the money of the purchase price D) if you spend more than the balance in your account, you will pay an overdraft fee
Mathematics
1 answer:
attashe74 [19]4 years ago
7 0
The correct answer is b

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The ratio of sides of 2 similar cubes is 3:4. Larger cube has a volume of 1728 cubic meters. What is the volume of the smaller c
Bond [772]

Answer:

See steps

Step-by-step explanation:

Volume of cubes is proportional to the cube of the side length.

Using proportions,

Volume of smaller cube / 1728 = (3/4)^3

Cross multiply,

Volume of smaller cube

= 1728 * (3/4)^3

= 1728 * (27/64)

= 729 cubic metres.

Note: all cubes are similar and each has 6 congruent faces.

4 0
3 years ago
Rewrite the equation by completing the squares x^2-x-20
yuradex [85]

Answer:  x = ¹/₂ ± √⁸¹

                     ------------

                            2

Step-by-step explanation:

First write out the equation

x² - x - 20

Now we now write the equation by equating to 0

x² - x - 20 = 0

We now move 20 to the other side of the equation. So

x² - x    =  20,

We now add to both side of the equation square of the half the coefficient of the (x) and not (x²) which is (1) . So, the equation now becomes

x² - x + ( ¹/₂ )² = 20 + ( ¹/₂ )²

x² - ( ¹/₂ )²       = 20 + ¹/₄

( x - ¹/₂ )²       = 20  + ¹/₄, we now resolve the right hand side expression into fraction

( x - ¹/₂ )²          =  ⁸¹/₄ when the LCM is made 4

Taking the square root of both side to remove the square,we now have

x - ¹/₂               =  √⁸¹/₄

x - ¹/₂               =     √⁸¹/₂

Therefore,

                    x = ¹/₂ ± √⁸¹

                          -----------

                               2

3 0
4 years ago
X² y² + y2 – 4x + 20y +55 =0<br> Center:<br> Radius:
netineya [11]

Answer:

ya

Step-by-step explanation:

22

4 0
3 years ago
What is the relationship between the 6s in the number 7,664
Xelga [282]
The answer to your question is 600 and 60
4 0
3 years ago
How many times does 30 go into 100
shtirl [24]

Answer:  "How many times does 30 go into 100?" is the same as asking "How much is 100 divided by 30?" Thus, the answer can be calculated as follows:

100/30 = 3.33

Step-by-step explanation: HOPE THIS HELP

3 0
3 years ago
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