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MrMuchimi
3 years ago
12

I need to do these math problems. Can some one help?

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0

Answer:

<h3>2. 4.9x^5 - 5x^3 + 2.3</h3><h3 /><h3>3. 78x^6 y^3 z^3</h3><h3 /><h3>4. 6x^2 + 14x - 12</h3><h3 /><h3>8. 9mnr^2 - 10m^2 + 7n - 14m^2 n</h3><h3 /><h3>9. 81x^3 y + 45 x^2 y^2 - 9xy^4</h3><h3 /><h3 /><h3 />
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What is the answer to all of these
sukhopar [10]
1) 8 x 5 + 4 - 3 x 8
=20
2) 7 x 7 - 3 x 4 + 8 - 4
=41
3) 6 x 5 + 7
=37
4) 6 x 3 - 10/5
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5) 7 + 3(9 x 6 - 5 x 5)
=87x + 7
Hopefully that’s right :)
5 0
3 years ago
Which of the following expressions could be used to find the sale price of an item that costs d dollars if it is on sale for 30%
Reptile [31]

Answer:

d-30%d

Step-by-step explanation:

6 0
3 years ago
Laurene’s net worth is $57,119. Her total assets are $112,587. What is the total value of her liabilities?  
oksano4ka [1.4K]
The correct answer is B. You take the total of her assets ($112,587) & subtract her net worth ($57,119) for the value of her liabilities.
8 0
3 years ago
Please help I'm so stuck
GarryVolchara [31]
Because Line 1 is parallel to Line 2, angle "a" should also be 46 degrees. b is complementary so it would be 180-46=134(degrees). 
7 0
3 years ago
Pleaseee helpppppp!!!
mr Goodwill [35]

The measure of a straight line is 180

125+30=155

180-155=25

x = 25

8 0
3 years ago
Read 2 more answers
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