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Ipatiy [6.2K]
3 years ago
12

Can someone help me with this! It’s for my little sister and she’s not sure what she has to do. ASAP

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0
Pretty sure that’s how you do it.

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A credit card company charges 24.99% annually for its interest rate. There is a a 2450 balance.how much interest would be charge
BaLLatris [955]

A credit card company charges 24.99% annually for its interest rate

Total balance = 2450

we have to find the interest which would be charged in dollars

So to find the interest which would be charged in dollars we have to multiply total balance by the interest rate which is 24.99 and then divide it by hundred

so our interest comes = 2450*24.99/100 which comes out to be 612.255

3 0
3 years ago
The ratio 3 to 4 or 3/4 or 3:4 represents which percent?<br> a 75%<br> b 80%<br> c 50%<br> d 45%
creativ13 [48]

Answer:

a

Step-by-step explanation:

look at it as a quarter. 4 quarters = a dollar or 100 cents. so 3 quarters = 75 cents so 75%

8 0
3 years ago
Read 2 more answers
A machine in a factor makes 2o gidgets every 1/4 hour. How many gidgets are made every hour ?
Dahasolnce [82]

Answer:

lol

Step-by-step explanation:

lollololol

llllllllllllllllllllllllooooooooooooooooooooooooooooooooooooooooollllllllllllllllllllll

6 0
4 years ago
Please help me with these. These are so hard.<br><br>​
LuckyWell [14K]

\bf \textit{difference and sum of cubes} \\\\ a^3+b^3 = (a+b)(a^2-ab+b^2) ~\hfill a^3-b^3 = (a-b)(a^2+ab+b^2) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \boxed{a^6+b^6}\implies a^{2\cdot 3}+b^{2\cdot 3}\implies (a^2)^3+(b^2)^3 \\[2em] [a^2+b^2] [(a^2)^2-a^2b^2+(b^2)^2]\implies \boxed{(a^2+b^2)(a^4-a^2b^2+b^4)}

about the second one... well, is a "fait accompli" that using the pythagorean theorem, if x = 8 and y = 5, the hypotenuse must be √(8² + 5²) = √(89), which is neither of those choices.

5, 8, 13 are no dice, namely 5² + 8² ≠ 13

25, 64, 17 is are no dice too, because 25² + 17² ≠ 64²

however, 5,12 and 13 are indeed a pythagorean triple

also is 39, 80, 89.

when looking for a pythagorean triple, recall that c² = a² + b².

so the longest leg is the sum of the square of the small ones.

so what you'd do is, check the small legs, square them, add them up, if they're indeed a pythagorean triple, they "must" add up to the longest leg.

4 0
4 years ago
Please help me on math
Eduardwww [97]

Answer:

45 inches

Step-by-step explanation:

85-40=45

b=45

how I know?

use the formula c^2-a^2=b^2

85 being c, a being 40 and b being 45

7 0
3 years ago
Read 2 more answers
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