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Scorpion4ik [409]
2 years ago
6

What is the percent of decrease from 10 to 3?Write your answer using a percent sign (%).​

Mathematics
1 answer:
Nadya [2.5K]2 years ago
4 0

Answer:

Convert the decimal to a percentage by multiplying the decimal by  

100 .

Step-by-step explanation:

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A salesperson at a jewelry store earns ​9% commission each week. Last​ week, sold$720 worth of jewelry. How much did make in​ co
EastWind [94]

Answer:

The total the salesperson makes is $64.80.

Explanation:

Since nine percent of $720 is $64.80, that is what the salesperson gets per week if they sell $720 worth of jewelry per week. The amount the store gets is $655.20. Thank you for reading, and please mark Brainliest if you got it right!

7 0
3 years ago
Find the substance's half-life, in days.<br> Round your answer to the nearest tenth.
shutvik [7]

Answer:

t = 5.6 day

t =5 days 14 hours 24 minutes

Step-by-step explanation:

Half life is the time it will take for the original value or quantity I'd a particular substance to decrease by half of it's original self.

N = N•e(-kt)

N• = 25

K = 0.1229

Then

N = 25/2 = 12.5

The reason because at the half life , it's original value will decrease to half.

Let's solve for the half life t

N = N•e(-kt)

12.5 = 25e(-0.1229t)

12.5/25 = e(-0.1229t)

0.5 = e(-0.1229t)

In 0.5 =-0.1229t

-0.69314 = -0.1229t

-0.69314/-0.1229 = t

5.6399 = t

To the nearest tenth

5.6 days = t

4 0
3 years ago
A right triangle has a leg length of 21 inches and a hypotenuse length of 29 inches. What is the length of the other leg?​
Shalnov [3]

Answer:

20

Step-by-step explanation:

Pythagorean Theorem: a^2 + b^2 = c^2

21^2 + b^2 = 29^2

441 + b^2 = 841

Subtract 441 on both sides to get b^2 = 400

Take the square root of both sides to get b = 20

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3 years ago
Translate the following sentence into an algebraic equation: 3 times "r" less than
victus00 [196]

Answer:

 

Step-by-step explanation:

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3 years ago
A graphics designer is designing an advertising brochure for an art show. Each page of the brochure is rectangular with an area
kramer

Answer:

<em>Good luck!</em>

Step-by-step explanation:

8 0
3 years ago
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