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Vadim26 [7]
2 years ago
8

$15.60 to $11.70 Increase or decrease

Mathematics
2 answers:
Len [333]2 years ago
6 0

Answer:

decrease

Step-by-step explanation:

cause your losing money that's not good

Brut [27]2 years ago
3 0

It is decrease because 11.7 is smaller than 15.6.

So before it was $15.6, now it dropped to $11.7.

Decrease.

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Plz make the graph <br>(WILL MARK THE BEST ONE AS BRAINILIST)​
Natalija [7]

Answer:

x and y

Step-by-step explanation:

5 0
3 years ago
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Tina is saving to buy a notebook computer. She has two options. The first option is to put $500 away initially and save $10 ever
Alexxandr [17]

Answer:

Tina would save the same amount using either option after 20 months.

With either option, Tina would save $700.

Step-by-step explanation:

This problem can be modeled by a first order equation:

Where Tina's saved money after n months is:

S(n) = S(0) + rn, where S(0) is the money put away initially and r is how much she saves every month.

The first option is to put $500 away initially and save $10 every month, so:

S_{1}(n) = 500 + 10n

The second option is to put $100 away initially and save $30 every month, so:

S_{2}(n) = 100 + 30n

After how many months would Tina save the same amount using either option?

It will happen at the month n in which S_{1}(n) = S_{2}(n), so:

S_{1}(n) = S_{2}(n)

500 + 10n = 100 + 30n

500 - 100 = 30 - 10n

400 = 20n

20n = 400

n = \frac{400}{20}

n = 20.

Tina would save the same amount using either option after 20 months.

How much would she save with either option?

We can choose S_{1}(20) or S_{2}(20), since they are equal

S_{1}(20) = 500 + 10(20) = 500 + 200 = 700

With either option, Tina would save $700.

3 0
3 years ago
At a lake recreation park, you can rent a kayak for a base fee of $16 plus an hourly fee of $4. Katie spent $56 on a kayak renta
Alenkinab [10]
I think the equation would be 4x + 16= 56
She rented the kayak for 10 hours.
4 0
3 years ago
Find the volume of the following solid. The solid between the cylinder ​f(x,y)equals=e Superscript negative xe−x and the region
PilotLPTM [1.2K]

It is hard to comprehend your question. As far as I understand:

f(x,y) = e^(-x)

Find the volume over region R = {(x,y): 0<=x<=ln(6), -6<=y <= 6}.

That is all I understood. It would be easier to understand with a picture or some kind of visual aid.

Anyways, to find the volume between the surface and your rectangular region R, we must evaluate a double integral of f on the region R.

\iint_{R}^{ } e^{-x}dA=\int_{-6}^{6} \int_{0}^{ln(6)} e^{-x}dx dy

Now evaluate,

\int_{0}^{ln(6)}e^{-x}dx

which evaluates to,  5/6 if I did the math correct. Correct me if I am wrong.

Now integrate this w.r.t. y:

\int_{-6}^{6}\frac{5}{6}dy = 10

So,

\iint_{R}^{ } e^{-x}dA=\int_{-6}^{6} \int_{0}^{ln(6)} e^{-x}dx dy = 10

7 0
3 years ago
Simplify open parentheses x to the 2 third power close parentheses to the 4 fifths power.
MissTica
X to the 8/15 power. When you have a power raised to another power, you multiply the exponents.
3 0
3 years ago
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