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andrew11 [14]
3 years ago
10

-

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0

Answer:

O D. -6x(x2 + 2x+3)

Step-by-step explanation:

-6x3 - 12x2 - 18x \\  - 6x( {x}^{2}  + 2x + 3)

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raj has $10. if he buys 8 pears and 5 mangoes, he will be short of $1.10. if he buys 5 pears and 4 mangoes , he will receive $1.
Paladinen [302]

Answer:

1 pear = $0.45

1 mango = 1.5

Step-by-step explanation:

8 pears + 5 mangoes = $11.10 ➡ 8p + 5m = 11.10

5 pears + 4 mangoes = $8.25 ➡ 5p + 4m = 8.25

multiply first equation by -4 and second one by 5

-4 ×(8p+5m) = 11.10 ➡ -32p - 20m = 44.4

5 ×(5p+4m) = 8.25 ➡ 25p + 20m = 41.25

add both equations up

-32p - 20m + 25p + 20m = 44.4 + 41.25

-7p = 3.15 ➡ p = $0.45

use this value to find the price of mango

5×0.45 + 4×m = 8.25 ➡ 2.25 + 4m = 8.25 ➡ 4m = 6 ➡ m = $1.5

8 0
3 years ago
Every month, Jay pays $53.42 for his internet bill. How much did he pay for internet over the past 5 months?
Zinaida [17]

Answer:

ik the answer

Step-by-step explanation:

just multiply 5 x 53.42 and the answer is 267.1

3 0
3 years ago
Read 2 more answers
Plz answer this is urgent.​
sergiy2304 [10]

Answer: 9 subtracted from y and multiplied by 2

3 0
3 years ago
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Raj purchased an article for Rs400 and sold it for Rs 420. Find the lrofit or loss percent​
ANEK [815]

Answer:

  • 5%

Step-by-step explanation:

Cost price of the article = Rs 400

Selling price of the article = Rs 420

As, S.P > C.P

Profit = S.P – C.P

= Rs( 420 – 400)

⠀⠀⠀= Rs 20

So,

Profit percent = (20/400 × 100)%

⠀⠀⠀⠀⠀⠀⠀⠀ = (20/4) %

⠀⠀⠀⠀⠀⠀⠀⠀ = 5 %

3 0
2 years ago
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HELP !!!!!!!!!!! find l
Ira Lisetskai [31]

Answer:

Pythagorean Theorem: a^2 + b^2 = c^2

6^2 + 15^2 = c^2

36 + 225 = 261

So, the answer is 261

Let me know if this helps!

4 0
3 years ago
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