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fredd [130]
3 years ago
11

I need help with these two equations

Mathematics
1 answer:
Elden [556K]3 years ago
4 0

Problem 1

\dfrac{16}{(4- -3-1-8)}

\dfrac{16}{(4+3-1-8)}

\dfrac{16}{(7-9)} = \dfrac{16}{-2}

-8  Answer

Problem 2

(8 - 3)^2 - (3 + 10)

5^2 - (13)

25 - 13

12 Answer

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A=16, c=14 find the length of b if necessary round to the nearest tenth
Alex

Answer:

None

Step-by-step explanation:

Assuming you mean sides of a right triangle,  we can use the Pythagorean theorem (A^2 + B^2 = C^2)

We have A and B, so we can plug those into the equation.

(16)^2 + B^2 = (14)^2

(16)^2 is 256 and (14)^2 is 196.  Plug those in.

256 + B^2 = 196

Get rid of the 256 by subtracting.

B^2 = 196 - 256

B^2 = -60

√B^2 = √-60

You can't take the square root of a negative number, so the solution is not possible.  We can confirm because C cannot be bigger than A or B.

8 0
3 years ago
Help i forgot how to do this
Romashka [77]

Answer:

a=3/5 or 0.6

Step-by-step explanation:

a-8/5-2/3a=-7/5

Step 1: Multiply both sides

15a-24-10a=-21

Step 2: Combine like terms

5a-24=-21

Step 3: Calculate and divide both sides by 5

5a=3

Solution:

a=3/5 or 0.6

5 0
3 years ago
The value of your father’s car when bought was $30,000. If it loses 10% of its value every year, how long until the vehicle is o
Anvisha [2.4K]

Answer:

6.7

Step-by-step explanation:

10% of 30000

10/100 x 30000

0.10 x 30000

=3000

In order to find how long you have to divide 20k with 3k

20000/3000 = 6.66666667

Round it up and you get 6.7

6 0
3 years ago
How much interest will you have in 6 months if you invest $1,000 at 3% compounded monthly? round your answer to the nearest penn
Paraphin [41]
You would use the equation 1000(1+0.3)^x
Plug in 6 months for x
1000(1.3)^6
When you solve for that you get 4826.809 and then round to the nearest tenth I would assume so 4826.8
Hope this helps!
3 0
2 years ago
In (x+12)+In(x+10)=In24
torisob [31]

Answer:

i think the answer is 4.......

Step-by-step explanation:

5 0
3 years ago
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