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____ [38]
3 years ago
5

Solve : p, q, s, t, w​

Mathematics
1 answer:
LuckyWell [14K]3 years ago
3 0

<u>P</u><u>:</u><u>-</u>

\\ \sf\longmapsto (x+y)^2-4x^2y^2

\\ \sf\longmapsto x^2+2xy+y^2-4x^2y^2

\\ \sf\longmapsto x^2+y^2-4x^2y^2+2xy

<u>Q</u><u>:</u><u>-</u>

\\ \sf\longmapsto x^2-2(x+y)-y^2

\\ \sf\longmapsto x^2-2x-2y-y^2

\\ \sf\longmapsto x^2-y^2-2x-2y

<u>S</u><u>:</u><u>-</u>

\\ \sf\longmapsto x^2-4x-21+10y-y^2

\\ \sf\longmapsto x^2-y^2-4x+10y-21

<u>T</u><u>:</u><u>-</u>

\\ \sf\longmapsto a^2-10a+24+6b-9b^2

\\ \sf\longmapsto a^2-9b^2-10a+6b+24

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An item is regularly priced at $15. It is on sale for 60% off the regular price. What is the sale price?​
olya-2409 [2.1K]

Answer:

$15 - 60% = $6.00

https://www.percent-off.com/_30_%25+off_39.98_

(I used this website because I lost my calutor, plus I use it to help my mom shop)

6 0
3 years ago
Hot dogs at a carnival cost 2.99 each plus 7%tax.what is the total cost for one hot dog?
Mars2501 [29]
$3.20
2.99 • 7% = 0.2093
2.99 + 0.2093 = 3.20
3 0
3 years ago
Isolate the h in c=25h+350
Sati [7]
Subtract 350 from both sides then divide both sides by 25.

(c-350)/25 = h
7 0
3 years ago
The result of which expression will best estimate the actual product
prisoha [69]

Answer:

The answer is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

Step-by-step explanation:

The given product is,

\frac {-4}{5} \times \frac{3}{5} \times \frac{-6}{7} \times \frac {5}{6}

= \frac {12}{35}

\simeq 0.3429 ---------------------(1)

Now, the first product to compare is,

(-1) \times \frac {1}{4} \times (-1) \times (-1)

= - 0.25 ----------------------------(2)

The second product to compare is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

= 0.5 ------------------------(3)

The 3rd product to compare is,

\frac {-4}{2} \times \frac {3}{2} \times \frac{-2}{5} \times \frac {5}{2}

= 3 ----------------------------(4)

The 4th product to compare is,

\frac {-3}{4} \times \frac {-3}{4} \times \frac {-1}{5} \times \frac {1}{2}

= \frac {-9}{160}

= 0.05625 -----------------(5)

Comparing all the values , we get (3) is closest to (1).

Hence, we get, the answer is,

(-1) \times \frac {1}{2} \times (-1) \times (1)

3 0
4 years ago
Right answer gets brainlist
sukhopar [10]

Answer:

126 square meters

Step-by-step explanation:

7 x 6 x 3. You can regroup any pair of factors to make it easier on you.

I did (7 x 6) x 3 = 42 x 3 = 126

6 0
3 years ago
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