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Elanso [62]
3 years ago
7

Solve for y. pls help

Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

y=  -6

Step-by-step explanation:

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Adalyn uses 1/5 cup of blue paint for every 2/5 cup of red paint to make purple paint. Enter the number of cups of blue paint Ad
ipn [44]

Given that;

Adalyn uses 1/5 cup of blue paint for every 2/5 cup of red paint to make purple paint.

\frac{1}{5}\text{ cups of blue paint }\rightarrow\frac{2}{5}\text{ cups of red paint}

For 1 cup of red paint, the amount of blue paints Adalyn will use is;

\frac{1}{5}\text{ cups of blue paint }\rightarrow\frac{2}{5}\text{ cups of red paint}

7 0
10 months ago
Which expression is NOT equal to 125? (1 point)
DENIUS [597]
Choice 1:
= 5 * [5^3 / (2/5)]^2
= by looking at the equation, it's kinda not equal to 125

choice 2:
= [5^3 / 5^4]^-3
= 5^-9 / 5^-12
= 5^(-9 - -12)
= 5^3
= 125

choice 3:
= 5^-2 / 5^-5
= 5^(-2 - -5)
= 5^3
= 125

choice 4:
= 5 * 5^5/5^3
= 5 * 5^(5-3)
= 5 * 5^2
= 5^3
= 125

So the expression that is not equal to 125 is:
<span>5 times the quotient 5 cubed over two-fifths, raised to the second power</span>
5 0
2 years ago
Three less than the product of 8 and a number is equal to 6
Dahasolnce [82]

Answer:

6

Step-by-step explanation:

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3 0
3 years ago
The management of Acrosonic plans to market the ElectroStat, an electrostatic speaker system. The marketing department has deter
crimeas [40]

Answer:

(a)R(x)=-0.02x^2+610x

(b)R'(x)=-0.04x+610

(c)R'(5400)=$394

Step-by-step explanation:

Given that x is the quantity demanded and the speaker's unit price (in dollars) is p where:

p = −0.02x + 610 (0 ≤ x ≤ 20,000)

(a)Revenue function R.

Revenue = Price X Quantity Demanded

Therefore:

R(x)=xp

=x(-0.02x + 610)\\R(x)=-0.02x^2+610x

(b)Marginal revenue function R'(x)

If R(x)=-0.02x^2+610x

Then, the marginal revenue function

R'(x)=-0.04x+610

(c)We want to compute R'(5,400)

R'(5400)=-0.04(5400)+610\\R'(5400)=394

From the above, we can infer that the revenue that will be generated on the sales of the 5401st item is $394.

5 0
3 years ago
The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken
agasfer [191]
33.3..........................................
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