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noname [10]
3 years ago
11

Billie participated in a weight loss challenge at her work. She weighed 185 lbs in March and when the competition finished in Ma

y, she weighed 172 lbs. Find the percent of change in weight.
Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0

Answer:

92 36/37%

Step-by-step explanation:

172/185=0.92972(repeating)

Thus you get 92 36/37 %

Cheers, iYekria

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20 points.<br> Please answer and explain if possible.<br> Multiply.<br> -2y^2 * xy^4
Readme [11.4K]

When the bases are the same, you can combine the exponents.

x³   [x is where the base is]

For example:

x³ · y² = x³y²   You can't simplify this anymore because they have different bases/variables

[when you multiply a variable with an exponent by a variable with an exponent, you add the exponents together] so:

x² · x³ = x^{2+3}=x^5

[when you multiply a variable with an exponent by an exponent, you multiply the exponents together] so:

(x³)²=x^{3*2}=x^6

-2y^2*xy^4=-2x(y^{2+4})=-2xy^6

4 0
3 years ago
Read 2 more answers
g Two different factories named A and B both produce an automobile part. If a part came from A, the probability that the part is
Fed [463]

Answer:

0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.

Step-by-step explanation:

Probability of a defective part:

0.04 of \frac{100}{180}, that is, coming from A.

0.05 of \frac{80}{180}, that is, coming from B. So

p = 0.04\frac{100}{180} + 0.05\frac{80}{180} = \frac{0.04*100 + 0.05*80}{180} = 0.0444

0.0444 = 4.44% probability that a part chosen at random (from the sample) was defective.

3 0
3 years ago
n your computer store you charge $1012 per computer sold. Your costs are given by the equation C(x) = 4x^2 + 4x - 80 where x is
ella [17]

Answer:

63568 dollars

Step-by-step explanation:

Given that in your computer store you charge $1012 per computer sold. Your costs are given by the equation

C(x) = 4x^2 + 4x - 80

where x is the number of computers sold.

Revenue = sales price *no of computers sold

= 1012x

Profit = Revenue - cost

= 1012x-( 4x^2 + 4x - 80)\\= 1008x-4x^2+80\\

Use derivative test to find maximum profit

C'(x) = 1008-8x \\C''(x)= -x

Equate I derivative to 0

x= 128

i.e. if 128 computers are manufactured and sold profit wouldbemaximum

Profit maximum=1008(128)-4(128)^2+80\\=63568

3 0
3 years ago
Lola has 4
RideAnS [48]
The answer to this is 3 3/4
5 0
3 years ago
that there exists a pair of consecutive integers such that one of these integers is a perfect square and the other is a perfect
Brrunno [24]
0=0^2
1=1^3

Or are you looking for nontrivial pairs?
6 0
3 years ago
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