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geniusboy [140]
4 years ago
7

4x -2 + 5x + 6 What does this equAl

Mathematics
2 answers:
rusak2 [61]4 years ago
4 0

Answer:

9x + 4

Step-by-step explanation:

Step 1: Write expression

4x - 2 + 5x + 6

Step 2: Combine like terms (x)

9x - 2 + 6

Step 3: Combine like terms (constants)

9x + 4

Tomtit [17]4 years ago
3 0

Answer:

9x + 4

Step-by-step explanation:

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3. A solid sphere of radius 3 cm is melted and then recast into small spherical balls, each of
Viefleur [7K]

Answer:

3.6

Step-by-step explanation:

6 0
3 years ago
F $1,000 is deposited in a certain bank account and remains in the account along with any accumulated interest, the dollar amoun
Whitepunk [10]

Answer:

(1) The annual interest rate is 10%, that is greater than 8%

(2) The annual interest is bigger than 22.47% and that is greater than 8%

Step-by-step explanation:

We have the equation:

I=1,000((1+\frac{r}{100} )^{n} -1)

Where I is the earns in interest, n is the number of years and r is the annual interest rate.

For the first case, we can replace I by $210 and n by 2 as:

210=1,000((1+\frac{r}{100} )^{2} -1)

Solving for r, we get:

\frac{210}{1,000} = (1+\frac{r}{100})^{2} -1

0.21 +1 = (1+\frac{r}{100})^{2}

1.21 = (1+\frac{r}{100})^{2}

\sqrt{1.21} = 1 + \frac{r}{100}

\sqrt{1.21} - 1 = \frac{r}{100}

(\sqrt{1.21} - 1)100=r

10=r

So, for the first case, the interest rate paid by the bank is 10% and it is greater than 8%

For the second case, we need to take the equation and solve for r as:

(1+\frac{r}{100} )^{2} >1.5

1+\frac{r}{100} > \sqrt{1.5}

\frac{r}{100} > \sqrt{1.5}-1

r > (\sqrt{1.5}-1)*100

r > 22.47

So, for the second case the rate need to be bigger than 22.47% and that is bigger than 8%

5 0
3 years ago
What is the LCM of 16a 3 b and 24ab 2?
vitfil [10]

Do the operation:

3, 16, 24 | 2

3, 8, 12 | 2

3, 4, 6 | 2

3, 2, 3 | 2

3, 1, 3 | 3

1, 1

Answer:

\boxed{\bf~The~answer~is~2^{4}~*~3~or~48.}

Hope it helped,

Happy homework/ study/ exam!

6 0
3 years ago
HELP PLEASEEEEEEE WILL MARK YOU AS BRAINLEIST no guesses please!!!
Anastaziya [24]

-4, +1

And then the 20 letters i need to write are right here

4 0
4 years ago
1 pts
balu736 [363]

9514 1404 393

Answer:

  $935.11

Step-by-step explanation:

The amount is given by the formula ...

  A = P(1 +r/n)^(nt) . . . P invested at rate r for t years compounded n per year

  A = $850(1 +0.024/2)^(2·4) = $935.11

The amount accumulated will be $935.11 after 4 years.

8 0
3 years ago
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