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siniylev [52]
2 years ago
6

(5x²-4x-1)+(2x²-3x+6) simplified

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
3 0
Answer: 7x² - 7x + 5
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20 + 2(3-5)^2 + 30/10 x 3
KonstantinChe [14]

20 + 2*(3-5)^2 + (30/10)*3

20 + (2*[-2])^2 + (3*3)

20 + (-4)^2 + 9

29 + 16

45

Note that * is used to signify multiplication.

5 0
3 years ago
Help help math math
Anni [7]

Answer:

C=31.41592654

Step-by-step explanation:

C=2πr

r=5

C=2π(5)

Therefore C= 10π or C=31.41592654

6 0
2 years ago
The ratio of sides of 2 similar cubes is 3:4. Larger cube has a volume of 1728 cubic meters . What is the volume of the smaller
Tanya [424]

Answer:

729m³

Step-by-step explanation:

To find the length of one side find the cube root of 1728m³

³√1728=12metres

To find the length of the smaller cube

ratio 3:4.

4/7=12m

3/7=?

<u>3</u><u>/</u><u>7</u><u>×</u><u>1</u><u>2</u><u> </u>= 3/7×12×7/4

<u> </u><u> </u><u> </u>4/7

=9metres

To find volume of the small cube

volume=9×9×9

=729m³

7 0
3 years ago
Five to the fifth power minus seven to the second power.
Sedaia [141]

Answer:

5^5-7^2= 3076

Step-by-step explanation:

5^5=3125

5*5*5*5*5

7^2=49

3125-49=3076

Hope this helps! Remember you are smart and you got this! Have a great day -Alycia

4 0
3 years ago
1) Find the product: 6 x 1/3= * O 61/3 O 6/18 6/3 01/18​
Kamila [148]

Answer:

2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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