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Cerrena [4.2K]
3 years ago
6

I just need help plz

Mathematics
2 answers:
Licemer1 [7]3 years ago
8 0

Answer:

1.4x 2 +7x−9

~#^××+$|₹-÷)=-₹2^_!&:'#^%&%&×(}/'?!24&0(86-

quester [9]3 years ago
4 0
1. 4x^2 + 7x - 9
2. 7x^5 + 5x^4 + 3x^2 - 3x - 5
3. 5x^4 + 2x^3 - 4x^2 - 9
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Use the associative property of addition to rewrite (6 + 44) + 28.
rjkz [21]

Short Answer: 6 + (44 + 28)

Long Answer:

Change the parentheses to include 28 and not include 6. According the the property, changing the parentheses this way does not affect the sum. In other words, changing the order of addition does not change your answer.

8 0
2 years ago
Need help with #9 and #10
sweet [91]

Answer:82

Step-by-step explanation:

Ues

3 0
3 years ago
3 times Marie’s age is equal to 50 plz show work
Eva8 [605]

Answer:

m = 16 2/3

Step-by-step explanation:

Let m = maries age

3m = 50

Divide by 3

3m/3 = 50/3

m = 16 2/3

3 0
3 years ago
Read 2 more answers
Please Please Please Please Help Me Please Please Please
Paraphin [41]

k- 7/-.4 = 85. Multiply by -.4 to get k-7 = 34. Add 7 to both sides to get k = 41.

4 0
3 years ago
Mango has 2.5% salt content per gram. How many grams of Mango does it take to produce 9 gram of salt? Show your work.​
amm1812

Answer:

<u>360 g</u>

Step-by-step explanation:

Amount of Salt = 2.5% x Amount of Mango

Taking 9 g as the amount of salt :

  • 9 g = 2.5% x Amount of Mango
  • Amount of Mango = 9/0.025
  • Amount of Mango = 9 x 40
  • Amount of Mango = <u>360 g</u>
5 0
2 years ago
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