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2 years ago

What 2 numbers multiplied equal -12 and 2 numbers added equals -1

Mathematics

1 answer:

Stells [14]2 years ago

5 0

Answer:

-4 x 3 = -12 and -4 + 3 = -1

Read my explanation + Can I have brainliest? Thanks

Step-by-step explanation:

Editing my answer since apparently it was wrong but I gave you multiple choices to choose from.

4 x 3 = 12

4 - 3 = 1

-4 x 3 = 12 and -4 + 3 = -1

Does that make you happy? Once again, it's simple algebra

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A new car was valued at $28,000, and it's value depreciated to $14,000 over the next 3 years. Use the exponential equation for d

kompoz [17]

The exponential equation (in thousands) is:
$V = 28 e^{-rt}$
plug in t=3 yrs, and solve for 'r'.
$14 = 28 e^{-3r} \\ \\ \frac{1}{2} = e^{-3r} \\ \\ ln(\frac{1}{2}) = -3r \\ \\ r = \frac{ln(\frac{1}{2})}{-3} = 0.231 = 23.1%$

Find value of car when t = 10
$V = 28e^{-2.31} = 2.779$

8 0

3 years ago

The price of a technology stock has dropped to $9.54 today. Yesterday’s price was $9.63. Find the percentage decrease. Round you

Trava [24]

The percentage of change in stock value is 0.93%

Solution:

Given that, The price of a technology stock has dropped to $9.54 today

Yesterday’s price was $9.63

We have to find the percentage decrease by Round the answer to the nearest tenth of a percent.

The percentage change is given as:

$\text { percentage change }=\frac{\text { previous value }-\text { new value }}{\text { previous value }} \times 100$

By substituting the values we get,

$\text { changed percentage }=\frac{9.63-9.54}{9.63} \times 100$

$=\frac{0.09}{9.63} \times 100=\frac{9}{9.63}$

Changed percentage = 0.93457

Hence, the percentage of change in stock value is 0.93%

5 0

2 years ago

487 divided by 8 with remainder

nignag [31]

Answer:

487 divided by 8=60.875.

Step-by-step explanation: You can use a calculator to find the answer for this question, and you will see that the answer is 60.875, which is 60 with a remainder of 7

8 0

3 years ago

Read 2 more answers

Y - 2 = 6 help me find y

sergiy2304 [10]

Answer:

y = 8

Step-by-step explanation:

simple , just inverse op.

5 0

3 years ago

Read 2 more answers

Need help plz its math

viva [34]

Answer:

option D 41

Step-by-step explanation:

since ∠N = ∠L

this means that MN = ML (sides opposite to equal angles are equal)

thus

3x + 1 = 5x - 7

1 + 7 = 5x - 3x

8 = 2x

8/2 = x = 4

inserting values

3*4 + 1= 13

4*4-1 =15

5*4-7 = 13

adding all

13 + 13+ 15 = 41

option D 41

8 0

2 years ago