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3 years ago

The answer to this !!!

Mathematics

1 answer:

ipn [44]3 years ago

6 0

Answer: A=12, B=2, C=11

Step-by-step explanation:

With the given problem, you would first expand the numerator.

$\frac{x^1^5y^3z^1^2}{x^3yz}$ . Then you can simply from there. You can subtract the exponents. $x^1^2y^2x^1^1$

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The amount in a savings account increased from $200 to $216. what was the percent increase?

Anna [14]

Answer:

7.41%

Step-by-step explanation:

16/216 =

16 ÷ 216 =

0.074074074074074 =

0.074074074074074 × 100/100 =

0.074074074074074 × 100% =

(0.074074074074074 × 100)% ≈

7.407407407407% ≈

7.41%;

3 0

3 years ago

The temperature of a cup of coffee t minutes after it has been poured is described by the function C(t) = 20 + 60(0.95)^t . a. H

scoundrel [369]

The temperature of coffee 10 minutes after it was poured (120 F) will help in solving the constant “a”.
120 = 120(2 ^ 10a) + 60 
2 ^ -1 = 2 ^ 10a 
a = -1/10 
The temperature of coffee 30 minutes after it was poured is: 
F = 120 ( 2 ^ -30/10) + 60 
F = 120 * 1/ 8 + 60 
F = 15 + 60 
F = 75

4 0

3 years ago

I need help please?!!!!

eduard

Answer:

I am think so opction (C).....

3 0

3 years ago

Read 2 more answers

A store owner estimates that by charging x dollars each for a certain lamp, he can sell 25 - x lamps each week. What price will

erma4kov [3.2K]

Answer:

$\frac{25}{2}$ or 12.5

Step-by-step explanation:

So if 25 - x items are sold, and they each cost x, we can write an equation for the revenue to be

y = (25 - x)x

The vertex of this equation will represent the maximum revenue. So we need to write this equation in vertex form so we can find the vertex.

Vertex from is

y = a(x - h)^2+ k,

where (h,k) represent the vertex.

the vertex form of this equation would be

$y= -(x-\frac{25}{2} )^{2} +\frac{625}{4}$

And the vertex would be

$(\frac{25}{2} ,\frac{625}{4})$

This means the maximum revenue will occur when x = 25/2

6 0

3 years ago

16 3/4 hours in two days plan to work 12 3/4 hour the next two days. How many hours will u total on your time sheet for these 4

sergiy2304 [10]

let's firstly convert the mixed fractions to improper fractions and then add up all four days.

$\bf \stackrel{mixed}{16\frac{3}{4}}\implies \cfrac{16\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{67}{4}}~\hfill \stackrel{mixed}{12\frac{3}{4}}\implies \cfrac{12\cdot 4+3}{4}\implies \cfrac{47}{4} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{all 4 days summed up}}{\cfrac{67}{4}+\cfrac{47}{4}}\implies \cfrac{67+47}{4}\implies \cfrac{114}{4}\implies \cfrac{57}{2}\implies 28\frac{1}{2}$

7 0

3 years ago