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bazaltina [42]
2 years ago
8

(5x2+14x-15)-(3x2+5x+7) simplify

Mathematics
2 answers:
sleet_krkn [62]2 years ago
8 0

Answer:

-241

Step-by-step explanation:

Hope this helps

Lina20 [59]2 years ago
7 0

Step-by-step explanation:

  • (5 × 2 + 14x - 15) - (3 × 2 + 5 + 7)
  • (10 + 14x - 15) - (3 × 2 + 5x + 7)
  • (10+14x-15) - (6 + 5x+7)
  • (- 5+14x) - (6+5x+7)
  • (-5+14x)-(13+5x)
  • - 5+14x (13+ 5x)
  • - 5 + 14x - 13 - 5x
  • - 18+14x - 5x

Answer:- 18 + 9x

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Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50 if peanuts cost $2.75 per pound and cashews nuts
maria [59]

Answer:

The number of pounds of cashew is 11

Step-by-step explanation:

Let P represent the peanut

Let C represent the cashew nut.

From question, we were told that Elijah brought a total of 16 pounds of peanuts and cashew nuts. This can be written as:

P + C = 16 (1)

The total cost = $49.50

Cost per peanut = $2.75

Cost per cashew = $3.25

The above can be represented as:

49.50 = 2.75P + 3.25C. (2)

From equation 1,

P + C = 16

P = 16 — C

Substitute the value of P into equation 2:

49.50 = 2.75P + 3.25C.

49.50 = 2.75(16 — C) + 3.25C

49.50 = 44 — 2.75C + 3.25C

49.50 = 44 + 0.5C

Collect like terms

49.50 — 44 = 0.5C

5.5 = 0.5C

Divide both side by 0.5

C = 5.5/0.5

C = 11

Therefore, the number of pounds of cashew is 11

8 0
3 years ago
Mariah has $92.47 dollars in her bank account. She spends half of it on clothes, and she spends the 1 quarter of the money left.
denis23 [38]
46.235 but you have to round so 46.24
3 0
3 years ago
Read 2 more answers
What is 4 1/8 +2 1/3
andreyandreev [35.5K]

Answer: 6 11/24

Step-by-step explanation:

33/8 + 2 1/3

= 33/8 + 7/3

= 155/24

= 6 11/24

6 0
3 years ago
Hey just doing this so you can get some points
lara31 [8.8K]

Answer:

thank you very much xoxo

4 0
2 years ago
Help ASAP!!!<br> First to answer with a correct answer gets brain...
Llana [10]

Hey there!

First, let's multiply each side of the equation by 3 to get rid of the fraction \frac{2}{3}.

9 + 2x = \frac{6}{5}

Next we can multiply each side of the equation by 5 to get rid of the fraction \frac{6}{5}.

45 + 10x = 6

There's your answer!

Hope this helps!

6 0
3 years ago
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