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lys-0071 [83]
3 years ago
9

9 less than 5 × a number that is equal to -30

Mathematics
1 answer:
pickupchik [31]3 years ago
5 0
I believe the equation would be 5x-9=-30
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How to find the surface area of the open net
Kruka [31]
To find the surface area of the open net, you’ll have to find the area of the faces
So, since there are 6 boxes you’ll have to find the area of the faces and add it up to find the surface area
10x4=40x4=160
3x4=12x2=24
160+24=184

Hope this helps ;)
5 0
3 years ago
A drug used to relieve anxiety and nervousness has a half-life of 16 hours. if a doctor prescribes one 2.8-milligram every 24 ho
dlinn [17]

After 24 hours, 35.4% of the initial dosage remains on the body.

<h3>What percentage of the last dosage remains?</h3>

The exponential decay is written as:

f(x) = A*e^{-k*x}

Where A is the initial value, in this case 2.8mg.

k is the constant of decay, given by the logarithm of 2 over the half life, in this case, is:

k = ln(2)/16h

Replacing all that in the above formula, and evaluating in x = 24 hours we get:

f(24h) = 2.8mg*e^{-24h*ln(2)/16h} = 0.9899 mg

The percentage of the initial dosage that remains is:

P = \frac{0.9899mg}{2.8mg}*100\% = 35.4\%

If you want to learn more about exponential decays:

brainly.com/question/11464095

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8 0
2 years ago
Give an example of dimensions of a pyramid that would result in a volume of 36 cubic units. ​
lord [1]

Answer:

Step-by-step explanation:

Dimensions: 1 x 1 x 36 or 12 x 3 x 1 or 9 x 4 x 1 or 9 x 2 x 2

6 0
3 years ago
solve the problems below step by step I'll give 30 points please explain find the area and the perimeter for the problems below
guajiro [1.7K]

Answer:

Step-by-step explanation:

14. You would add 41 + 41 + 61 + 61 because you just need to add together all the sides.

15.  you need to measure the all the sides for 15 and do the same thing that you did on 14

3 0
3 years ago
Read 2 more answers
4 Amanda and Blake played a board game. In the game, Amanda had
ddd [48]

The amount of money Blake have in the end is  3560 + (2740 - x)

In the game Amanda had $2740 in play money and Blake had $3560 in play money.

Amanda had to give some money she possessed.

Let

what remains after Amanda gave the money = x

Therefore, Blake will have the following money at the end .

The amount she gave to Blake = (2740 - x)

Blake money = 3560 + (2740 - x)

learn more here: brainly.com/question/16895110?referrer=searchResults

6 0
3 years ago
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