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yulyashka [42]
3 years ago
13

At Benton Appliances, washing machines are on sale for 30% off the original price. Tammy found a coupon in the newspaper for an

additional 18% discount off the sale price. If the original price of the washing machine is $500, how much will Tammy pay for the washing machine?

Mathematics
1 answer:
lana [24]3 years ago
5 0
I believe the answer would be $287

Explanation; First you take 30% off of 500 and get 350. Then you take 18% off of 350 and you will get 287
You might be interested in
0.546 = 0.4 + ? + 0.006<br> Please Explain the Answer to me!
nadya68 [22]

Answer:  ? = 0.14

Step-by-step explanation:

So you need to find the value that fits the question mark. This means you have to get it by itself.

To start you subtract 0.4 from 0.546, which equals .146. Then you subtract 0.006 from 0.146 to get 0.14

What it looks like mathematically :

0.546 = 0.4 + ? + 0.006  

0.146= ? + 0.006  

0.14=?

Hopes this helps :)

5 0
3 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
3 years ago
A cylinder of manganese (length 4.00 cm, diameter = 1.00 cm) has a mass of 22.62 g. What is the density of manganese?
Gnom [1K]
Equation for density is mass/volume

Mass=22.62 g

Volume= 22/7 x 1/2^2 x 4

3.14 x 0.5 x 0.5 x 4

=3.14 cm3

Mass/ Volume

22.62/3.14

7.2 g/cm3 is the answer

5 0
3 years ago
How do I figure out X in this equation URGENT!!!
Mekhanik [1.2K]
2*(X-2+3x+5)=94 cm
4x+3 = 47
4x=44
x=11 cm
7 0
3 years ago
Read 2 more answers
Need some help please. thank you :)
rodikova [14]

The answer the third option (4,2)

5 0
3 years ago
Read 2 more answers
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