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Kisachek [45]
3 years ago
13

Simplify (3x2 + 2x - 3) (x + 5)​

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

Answer:

3(x)^3 + 2(x)^2 + 22x - 15

Step-by-step explanation:

(3(x)^2 + 2x - 3) (x + 5)

=>(3(x)^2 + 2x - 3) (x) + (3(x)^2 + 2x - 3) (5)

=>3(x)^3 + 2(x)^2 - 3x + 15x + 10x - 15

=>3(x)^3 + 2(x)^2 + 22x - 15

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The circumference of the flotation device above is 62.8 inches . If three flotation devices are lined up end-to-end , then what
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Answer: 60 in

Step-by-step explanation:

Hi, to answer this question, first we have to calculate the diameter of one flotation device:

Circumference of a circle C = (3.14) (diameter)

Replacing with the values given:

62.8 =3.14 d

Solving for d (diameter)

62.8 /3.14 =d

20in = d

Now, since the three flotation devices are identical, we simply have to multiply the diameter of one device by 3 , to obtain length of the flotation devices lined up.

20x3 =60 in

Feel free to ask for more if needed or if you did not understand something.  

6 0
3 years ago
On May 1, you sign a $1000 note with simple interest of 8.5% and a maturity date of December 19. You make partial
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Answer:

The amount to be repaid is $379.26.

Step-by-step explanation:

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Maturity date = December 19

Repayments:

June 2 = $475

Nov. 4 =  $200

Total paid $675

Simple interest = $54.26 ($1,000 * 8.5% * 233/365)

Total amount to be repaid = $1,054.26

Total amount repaid =               675.00

Balance to be paid on maturity $379.26

8 0
3 years ago
Solve this please thankyou ​
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Answer:

22

Step-by-step explanation:

-7 is < than 6 so we use the top equation

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22 is the answer

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