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Marina CMI [18]
3 years ago
10

Products of polynomials Find the product,please. (4a-ts)(2a+2ts)

Mathematics
1 answer:
gregori [183]3 years ago
4 0

Answer:

(4a + 2)3

Step-by-step explanation:

(4a + 2)(4a + 2)(4a + 2)           multliply first two with FOIL

(16a2 +16a + 4)(4a + 2)           multiply these using distributive

16a2(4a) + 16a(4a) + 4(4a) + 16a2(2) + 16a(2) + 4(2)

64a3 + 64a2 + 16a + 32a2 + 32a + 8

64a3 + 96a2 + 48a + 8

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Solve for x<br><br> It is geometry so anyone got it?
Sauron [17]

Answer:

X=26

Step-by-step explanation:

180-105=75

26•2=52. 52+23=75°

7 0
2 years ago
Read 2 more answers
James has a bag 77 of nickels and dimes. The total value of coins is $6.60. How many dimes does James have?
tatuchka [14]

James has 55 dimes in the bag

Step-by-step explanation:

The given is:

  • James has in a bag 77 of nickels and dimes
  • The total value of coins is $6.60

We need to find how many dimes James has

Assume that the number of nickels is x and the number of

dimes is y in the bag

∵ There are x nickels in the bag

∵ There are y dimes in the bag

∵ There are 77 coins in the bag

∴ x + y = 77 ⇒ (1)

∵ 1 nickel = 5 cents

∴ The value of nickles in the bag = 5x cents

∵ 1 dime = 10 cents

∴ The value of dimes in the bag = 10y cents

∵ The total value of coins is $6.60

∵ 1 dollar = 100 cents

∴ $6.60 = 6.60 × 100 = 660 cents

∴ 5x + 10y = 660 ⇒ (2)

Now we have a system of equations to solve it

Multiply equation (1) by -10 to eliminate y

∵ -10x - 10y = -770 ⇒ (3)

- Add equations (2) and (3)

∴ -5x = -110

- Divide both sides by -5

∴ x = 22

Substitute the value of x in equation (2) to find y

∵ 22 + y = 77

- Subtract 22 from both sides

∴ y = 55

∴ The number of dimes is 55

James has 55 dimes in the bag

Learn more:

You can learn more about the system of equations in brainly.com/question/6075514

#LearnwithBrainly

6 0
3 years ago
Please help! I attached the question below.
kompoz [17]

Answer:

\frac{2(c+2)}{c(c-2)}

Step-by-step explanation:

\frac{c^{2}-4 }{6c^{4}+15c^{3}}=\frac{(c-2)(c+2)}{c(6c^{3}+15c^{2}) }

Identity used:

a^{2}-b^{2}=(a-b)(a+b)

\frac{c^{2}-4c+4}{12c^{3}+30c^{2}}=\frac{(c-2)^{2}}{2(6c^{3}+15c^{2}) }

Now let us divide the modified expressions:

\frac{(c-2)(c+2)}{c(6c^{3}+15c^{2})} ÷ \frac{(c-2)^2}{2(6c^{3}+15c^{2}) }

we get:

\frac{2(c+2)}{c(c-2)}

5 0
3 years ago
The equation modeling the population growth of a small town is P(t)=30000(1.02)^t, where P represents the population, and t repr
dlinn [17]

Answer: I’m not for sure but I got 31,212

Step-by-step explanation: You multiply 30000 to 1.02 and then with the 2 and the 10 you divided and get 31,212

3 0
3 years ago
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A number raised to the third power is negative. What is true about the number?
DaniilM [7]
It had to start off negative. Odd powers of negative numbers remain negative, even powers will always be positive no matter what. Every time you add one to the power, you multiply by another negative, changing the sign.
4 0
2 years ago
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