True or false? If you took an if-then statement and inserted a "not" into each clause, the new statement would also be true.

Mathematics

1 answer:

love history [14]3 years ago

5 0

Hey it would be true i had the same question on a test

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Mitchell has decided to use a credit card to buy a new gaming system. The price of the item with tax is $318. If he makes the mi

saw5 [17]

Answer:

The item will cost $385.64.

Step-by-step explanation:

The price of the item with tax is = $318.

If he makes the minimum payment of $15 each month, it will take him 26 months, this will cost him 15*26=$390

Also given is, the total interest will be = $67.64

The item will cost if Mitchell uses a credit card and only makes the minimum payment each month = 318+67.64 = $385.64

6 0

3 years ago

Read 2 more answers

Can someone help me?

shusha [124]

B. $\sqrt{x} + \sqrt{x - 1}$ ✅

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}$

$\frac{1}{ \sqrt{x} - \sqrt{x - 1} } \\ \\= \frac{1}{ \sqrt{x} - \sqrt{x - 1} } \times \frac{ \sqrt{x} + \sqrt{x - 1} }{ \sqrt{x} + \sqrt{x - 1} } \\ \\ = \frac{ \sqrt{x} + \sqrt{x - 1} }{ ({ \sqrt{x} })^{2} - { (\sqrt{x - 1} })^{2} } \\\\ [∵(a + b)(a - b) = {a}^{2} - {b}^{2} ] \\ \\= \frac{ \sqrt{x} + \sqrt{x - 1} }{x - (x - 1)} \\ \\= \frac{ \sqrt{x} + \sqrt{x - 1} }{ x - x + 1} \\ \\= \sqrt{x} + \sqrt{x - 1}$